US7934576B2. Bicycle frame with integrated and detachable battery. Google Patents
Publication number US7934576B2 US7934576B2 US12/530,380 US53038008A US7934576B2 US 7934576 B2 US7934576 B2 US 7934576B2 US 53038008 A US53038008 A US 53038008A US 7934576 B2 US7934576 B2 US 7934576B2 Authority US United States Prior art keywords battery pack frame bicycle bicycle frame multiple chamber Prior art date 2007-03-08 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Active Application number US12/530,380 Other versions US20100133778A1 ( en Inventor Lars Munksoe Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Protanium BV Original Assignee Protanium BV Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) 2007-03-08 Filing date 2008-03-08 Publication date 2011-05-03 Priority claimed from DK200700358 external-priority 2008-03-08 Application filed by Protanium BV filed Critical Protanium BV 2010-01-22 Assigned to PROTANIUM B.V. reassignment PROTANIUM B.V. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MUNKSOE, LARS 2010-06-03 Publication of US20100133778A1 publication Critical patent/US20100133778A1/en 2011-05-03 Application granted granted Critical 2011-05-03 Publication of US7934576B2 publication Critical patent/US7934576B2/en Status Active legal-status Critical Current 2028-03-08 Anticipated expiration legal-status Critical
Images
Classifications
- B — PERFORMING OPERATIONS; TRANSPORTING
- B62 — LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K — CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K19/00 — Cycle frames
- B62K19/30 — Frame parts shaped to receive other cycle parts or accessories
- B — PERFORMING OPERATIONS; TRANSPORTING
- B62 — LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K — CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K11/00 — Motorcycles, engine-assisted cycles or motor scooters with one or two wheels
- B — PERFORMING OPERATIONS; TRANSPORTING
- B62 — LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K — CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K19/00 — Cycle frames
- B62K19/30 — Frame parts shaped to receive other cycle parts or accessories
- B62K19/40 — Frame parts shaped to receive other cycle parts or accessories for attaching accessories, e.g. article carriers, lamps
- B — PERFORMING OPERATIONS; TRANSPORTING
- B62 — LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M — RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00 — Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/80 — Accessories, e.g. power sources; Arrangements thereof
- B62M6/90 — Batteries
Abstract
The present invention concerns a bicycle frame, including a number of frame elements, preferably tubes, where the frame elements are interconnected and constitute a construction with so great rigidity that the cycle frame does not change its geometrical shape under usual load, where an electric battery system is at least partly embedded in the frame, including at least one battery pack for storing electric energy for use in connection with equipment, such as comfort equipment and/or safety equipment on a bicycle, including an electric auxiliary motor, where the part of the frame adapted to mounting a battery pack is constituted by a hollow section, the hollow section being a multiple chamber section, where a battery pack is predominantly arranged in a cutout in the multiple chamber section so that at least one chamber in the multiple chamber section is substantially intact. Thus is obtained a cycle frame with a cutout for a battery pack, where the frame has great rigidity.
Description
The present invention concerns a bicycle frame, including a number of frame elements, preferably tubes, where the frame elements are interconnected and constitute a construction with so great rigidity that the cycle frame does not change its geometrical shape under usual load, where an electric battery system is at least partly embedded in the frame, including at least one battery pack for storing electric energy for use in connection with equipment, such as comfort equipment and/or safety equipment on a bicycle, including an electric auxiliary motor.
It is commonly known to use battery systems on bicycles for e.g. lamps, but in recent years there is another product which has quietly entered the market, namely bicycles with electric auxiliary motors. These bicycles are provided with an electric motor assisting the cyclist so that less muscular power is to be used for treading the pedals of the bicycle. These bicycles are typically provided with battery systems made up of one or more battery packages which may be disposed at various points on the bicycle. This type of bicycle is not new but has, as mentioned, existed for a number of years, but due to the weight and capacity of batteries bicycles with auxiliary motors have not been particularly attractive as a substitution for a common bicycle. Modern battery technology has, however, made it more attractive than previously, but the fact is still that relatively large and cumbersome battery packages are provided on something which reminds of a usual bicycle.
That a bicycle with an electric auxiliary motor is not essentially different in design from a common bicycle has appeared to be a great wish on the part of the consumers, who want a discreet bicycle, and not the least a bicycle equipped with auxiliary motor without substantially increasing the weight of it.
In order to meet the consumers’ desire for a discreet solution, there are innumerable variants where the battery package or packages are disposed integrated in the frame, either in compartments adapted for the battery packages or directly as a frame part which is to be dismounted for charging or replacement. As bicycles are often parked at train stations and on the street, it is furthermore important that the battery package can be readily dismounted and carried by the consumer, as it otherwise may easily be removed from the bicycle without the consent of the user, or for charging when the user is not using the bicycle.
It is the purpose of the invention to indicate a cycle frame with integrated and detachable battery, where the bicycle can be operated with as well as without a mounted battery. Furthermore, it is the purpose to indicate a solution where the battery is mainly built into the frame from where it may readily be dismounted for charging, replacement or for preventing theft.
The invention concerns a bicycle frame as mentioned in the introduction and as specified in the preamble of claim 1, where the part of the frame adapted to mounting a battery pack is constituted by a hollow section, the hollow section being a multiple chamber section, where a battery pack is predominantly arranged in a cutout in the multiple chamber section so that at least one chamber in the multiple chamber section is substantially intact.
By a cycle frame according to the invention is achieved a rigid frame construction, as at least the hollow section in which a battery pack is arranged is not weakened by a cutout, as at least one of the chambers in the multiple chamber section retains a strength corresponding to the normal strength of the frame part in question. Typically, the battery pack is provided in the lower tube of the cycle frame which is much weakened when using a normal single chamber section in that a cutout is made for a battery pack. However, it is possible to make a frame part made of a single chamber section so that a battery pack constitutes an integrated and structural part when mounted. However, this is not particularly expedient, partly because the bicycle cannot be used without battery pack and partly because such a design will imply a complicated mounting and dismounting of the battery pack. Also, it is required that the battery pack has a strength so that it may form a part of the load-bearing structure.
In a cycle frame according to the invention where the frame part in which the battery pack is mounted, typically in the lower tube or in the saddle post tube, is made of a multiple chamber section, one or more cutouts can be made in the section without the section loosing so much rigidity as to influence the load capacity of the cycle frame. This is due to the cutout only being made in one or more, but not all, chambers of the section. If a double chamber section is thus made where the cutout only is in one chamber, great rigidity is maintained in the section, as there is still one closed chamber which in principle acts as a common hollow section.
A cycle frame may thus advantageously be adapted for mounting a battery pack in a frame element extending from crank to crown tube, or the frame may be adapted for mounting a battery pack in a frame element extending from crank to saddle, where the frame element in which the battery pack is arranged is a multiple chamber section.
In such a cutout in a cycle frame according to the invention, a cutout can be made in at least one chamber in the multiple chamber section, in which cutout means may be arranged for receiving and securing at least one battery pack. These means may e.g. be projections that fit together with corresponding projections on a battery pack which then may be fastened in the cutout in the frame. This positioning and retention can be made in many ways, but a solution where the battery pack may be released rapidly and easily by actuating a button or lever is preferred, so that easy and Rapid mounting and dismounting may occur with a kind of quick release coupling. It is thus easy to dismount a battery pack for recharging or for carrying it, whereby theft may be avoided, or for storing it warm until next time the bicycle and the battery pack are to be used, whereby the discharge of the battery pack will not be so large.
In a variant of a cycle frame according to the invention, in at least one chamber of the multiple chamber section means may be arranged for controlling and regulating an electric auxiliary motor. These means are commonly called a “controller” with the function of regulating how much power to be supplied to the electric auxiliary motor. Such a controller is advantageously provided in a cycle frame as heat is deposited in the unit and which is to be dissipated. The cycle frame may here be used as a cooling surface if the controller is disposed with a suitable contact face onto the frame.
A preferred variant of a cycle frame according to the invention may be constructed so that the cutout is with terminals which at the mounting a battery pack may interact with corresponding terminals of the latter. Hereby is achieved a ready mounting of a battery pack, as wiring or similar between battery pack and cycle frame does not have to be fitted.
For charging a battery pack remaining in the mounted state on the cycle frame, there may be arranged a connecting point, preferably close to the battery pack, where the point may be used for charging the battery pack. Thus it is possible to charge the battery pack in e.g. a bicycle shed or the like.
In a variant of the invention there may be arranged a connecting point which may be used as power outlet from where external electric equipment can be supplied. Lamps and other electric apparatuses, such as music players, mobile phones or other equipment, may thus be connected, and which are supplied as well as charged in this way.
The battery pack may advantageously be provided with battery cells of lithium polymer type. Such lithium polymer battery cells have a capacity of up to three times the capacity of nickel-cadmium battery cells and have a very low degree of self-discharging. Of course, other suitable types of battery cells may be used if desired. Furthermore, the frame or battery pack may be provided with a capacity indicator on which may be read an expression of how much energy there is left in the battery pack.
A bicycle frame according to the invention includes at least one battery pack for storing electric energy for use in connection with equipment, such as comfort equipment and/or safety equipment on a bicycle. The new feature of a bicycle frame according to the invention is that the exterior of the battery pack is shaped as a part of the cycle frame, where the battery pack at least consists of a number of interconnected battery cells and at least one terminal for connecting to equipment and/or charging the battery. By this solution it is possible to design a bicycle with sufficiently large battery pack, where the battery pack is disposed integrated in the frame in a very discreet way.
It is thus possible to make a bicycle with an electric auxiliary motor, where the battery pack is almost invisibly hidden in the cycle frame, and where the bicycle may also be used without mounted battery pack, without deforming the frame.
By such a bicycle frame there is achieved a discreet solution to the positioning of a battery pack on a bicycle, and at the same time is achieved possibility of having a battery package with suitable size without having to mount large and cumbersome battery packages at different places on the bicycle.
A particular version of a battery package according to the invention is with a carrying handle. This provides the user the possibility of transporting the battery package for charging or just preventing that it may be stolen while the bicycle is standing parked.
In FIG. 1 appears a bicycle frame 1, consisting of a crown tube 2 and a crank tube 3 between which a lower tube 4 is located. The saddle post tube 5 extends from the crank tube 3 and upwards, and the back fork 6 is mounted on saddle post tube 5 and crank tube 3, respectively. The shown frame is a classic frame for a lady’s bicycle, where a frame for a classic men’s bicycle will typically be with a top tube mounted between crown tube 2 and saddle post tube 5. In the shown frame 1 there is mounted a battery pack 7 in the lower tube 4 in a cutout 8. This cutout 8 and the battery pack 7 are formed so that on the face of it, the lower tube 4 appears as a common lower tube 4. Thus we are speaking of a discreet solution for positioning the battery pack 7.
In FIG. 2. a frame 1 for a bicycle is also seen, but here shown with a dismounted battery pack 7. On the battery pack 7 there is provided a capacity indicator 9, here consisting of six light diodes. In the cutout 8 in the lower tube 4 as well as on the battery pack 7 there are interacting means 10 for exact disposition of the battery pack 7, and there are securing or locking means 11 for securing the battery pack 7. By dismounting the battery pack, a release button 12 is actuated which is here disposed on the lower tube 4, but which may in principle be disposed on the battery pack 7 itself Internally of the lower tube 4 there is provided a so-called controller 13, and a connecting point 14 is provided for charging or supplying other electric equipment.
FIG. 3 shows how a battery pack 7 can be made up of a number of battery cells 15. On the Figure also appears the unit 16 disposed in the lower tube 4, to which the battery pack 7 is fixed by fastening with the locking means 11, and also where the release button 12, the controller 13 and the connecting point 14 are disposed. By incorporating these elements into a single unit 16, a Rapid and simple mounting is achieved. This unit 16 may advantageously be fastened in the lower tube 4 with glue, screws, clips or the like.
In FIG. 4 appears an example of a lower tube 4 where it is clearly seen that the lower tube 4 is a so-called multiple chamber section. The shown lower tube 4 is with three chambers 17, 18 and 19. As it appears from the Figure, a cutout 8 is made in the lower tube 4. This cutout 8 extends longitudinally of the lower tube and through two of the chambers 17, 18 and 19, namely through chamber 18 and chamber 19. This use of a multiple chamber section means that irrespectively of a cutout 8, great rigidity is maintained in the lower tube 4.
Claims ( 10 )
A bicycle frame, including a number of frame elements, preferably tubes, where the frame elements are interconnected and constitute a construction with so great rigidity that the cycle frame does not change its geometrical shape under usual load, where an electric battery system is at least partly embedded in the frame, including at least one battery pack for storing electric energy for use in connection with equipment, such as comfort equipment and/or safety equipment on a bicycle, including an electric auxiliary motor, wherein the part of the frame adapted to mounting a battery pack is constituted by a hollow section, the hollow section being a multiple chamber section, where a battery pack is predominantly arranged in a cutout in the multiple chamber section so that at least one chamber in the multiple chamber section is substantially intact.
A bicycle frame according to claim 1. wherein the frame is adapted for mounting a battery pack in a frame element extending from crank to crown tube, where this frame element is a multiple chamber section.
A bicycle frame according to claim 1. wherein the frame is adapted for mounting a battery pack in a frame element extending from crank to saddle, where this frame element is a multiple chamber section.
A bicycle frame according to claim 1. wherein a cutout is made in at least one chamber in the multiple chamber section, and that means are arranged for receiving and securing at least one battery pack.
A bicycle frame according to claim 1. wherein in at least one chamber of the multiple chamber section, means are arranged for controlling and regulating an electric auxiliary motor.
A bicycle frame according to claim 1. wherein the cutout is with terminals which by mounting a battery pack interact with corresponding terminals of the latter.
A bicycle frame according to claim 1. wherein there is arranged a connecting point, preferably close to the battery pack, where the point may be used for charging the battery pack.
A bicycle frame according to claim 1. wherein there is arranged a connecting point which may be used as power outlet from where external electric equipment may be supplied.
A bicycle frame according to claim 1. wherein the battery pack is provided with battery cells of lithium polymer type.
A bicycle frame according to claim 1. wherein the battery pack is provided with a capacity indicator.
US12/530,380 2007-03-08 2008-03-08 Bicycle frame with integrated and detachable battery Active US7934576B2 ( en )
Applications Claiming Priority (4)
| DK200700358 | 2007-03-08 | ||
| DKPA200700358 | 2007-03-08 | ||
| DKPA200700358A DK176497B3 ( en ) | 2007-03-08 | 2007-03-08 | Bicycle frame with built-in and removable battery |
| PCT/DK2008/000097 WO2008106976A1 ( en ) | 2007-03-08 | 2008-03-08 | Bicycle frame with integrated and detachable battery |
Family Applications (1)
| US12/530,380 Active US7934576B2 ( en ) | 2007-03-08 | 2008-03-08 | Bicycle frame with integrated and detachable battery |
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- 2007-03-08 DK DKPA200700358A patent/DK176497B3/en active IP Right Maintenance
- 2008-03-07 TW TW097108063A patent/TWI424934B/en active
- 2008-03-08 CN CN200880007498.7A patent/CN101730642B/en active Active
- 2008-03-08 WO PCT/DK2008/000097 patent/WO2008106976A1/en active Application Filing
- 2008-03-08 US US12/530,380 patent/US7934576B2/en active Active
- 2008-03-08 EP EP08715575A patent/EP2134592B1/en active Active
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| US10513310B2 ( en ) | 2015-03-31 | 2019-12-24 | Shimano Inc. | Bicycle battery holder and bicycle battery unit |
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Also Published As
| EP2134592B1 ( en ) | 2013-02-27 |
| EP2134592A1 ( en ) | 2009-12-23 |
| DK176497B1 ( en ) | 2008-05-26 |
| CN101730642A ( en ) | 2010-06-09 |
| DK176497B3 ( en ) | 2018-06-18 |
| TWI424934B ( en ) | 2014-02-01 |
| CN101730642B ( en ) | 2014-12-03 |
| US20100133778A1 ( en ) | 2010-06-03 |
| WO2008106976A1 ( en ) | 2008-09-12 |
| TW200900311A ( en ) | 2009-01-01 |
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Beginner’s Guide to Electric Bike Batteries | KBO Bike
The lifeblood of an ebike is the powerful battery system that powers the electric motor for assisted riding and cruising. Powerful batteries will give you extra performance and assist you when faced with difficult uphill riding situations. When looking at battery descriptions for electric bicycle products, there are often many electrical technical terms you will need to navigate in order to find the right product that suits your needs. Just as in our guide for electric bicycle classification. we want to break down the information so it is easier to understand and can help you make the proper decision when you are choosing the right ebike.
Key Features of a Powerful Battery
As pedal-assist and fully battery-powered bicycles become more popular, there are some key features to keep an eye out for to determine what type of battery system is first-rate and which are not worth it. Below, you will find the main characteristics of an ebike battery that will last many charges and provide you with the power that you need to conquer your commutes. We will explore and define some of the main battery features like battery capacity and power output that influences an electric bike’s range and top speeds.
Battery Voltage, Amps, and Watt Hours
To assist you properly choose your next ebike, it is important to know what each of these terms mean to make the most informed purchasing decision. To help you out, we have defined the terms in the following section.
Electrical Bike Battery Terms Defined
Question: What does volts v on batteries mean?
Voltage, indicated as (v), refers to the passage of energy, known as horsepower, that pumps electricity into the bike’s motor. Typically, higher voltage equals more power for the motor. It is important to choose the right voltage that is suitable for the motor included in the bike.
Example: The KBO Breeze Commuter Bike has a battery pack measured at 48 volts. The combination of the 500-watt motor and 48 volt ebike battery outperforms the ebike industry standard of other bikes using 36 volt batteries.
Question: What does Amps Ah on batteries mean?
Amps, indicated as (A), is the measurement of force output from the battery. This is a standard measurement of electrical current moving out from the battery.
A battery’s Amp-hour rate, indicated as (Ah), is displaying the battery’s maximum capacity. Battery capacity defines the range of an e-bike.
Example: In order to get long-range battery riding capabilities, our KBO Breeze Step-Thru Commuter ebike uses a 16 Amp (Ah) battery.
Question: What does Watts Wh on batteries mean?
Watts, indicated as (W), is a measure of the rate of power consumption. This measurement is commonly found in the description of an ebike’s electric motor
Measuring watt-hours (Wh) is simple now that you know what volts and amps are. Simply multiply a battery’s voltage (v) by the same battery’s amp-hours (Ah) to get the total watt-hours.
Example: The KBO Breeze commuter electric bicycles have a 48v 16Ah Samsung battery. Given these numbers, then the total watt-hours (Wh) is equal to 748Wh. That provides up to 55 miles of battery range on a single charge!
Battery Performance Wrap-Up
Bikes with a 48v battery will go much faster than a bike with a 36v battery. However, higher speeds will require more energy and drain the battery life faster. Having a balanced battery with high voltage and good amp-hours will ensure that you can ride faster for longer, conquer big hills, or cruise with no worry of a low battery.
Battery Brand and Quality Control
Similar to all types of products, when we are making a purchase, we want to be sure that we are choosing a reputable brand to buy from. Reputation in quality and performance are key indicators of a quality product. This is certainly the same when looking at batteries for electric bicycles.
With the ever-expanding catalog of electric bikes to choose from, you might need to weed through various bikes with batteries from untrustworthy manufacturers.
KBO chooses only the highest quality batteries from Samsung to ensure that all of our ebike’s have quality batteries that last.
What Makes a Good Quality Battery?
When looking at batteries, brand reputation is key. Part of this comes from one aspect of battery production: quality control.
Choosing batteries from a company like Samsung ensures KBO that each battery pack will be made up to our premium manufacturing standards. These batteries are built to last through over 900 charge cycles and have overcharge protection.
By choosing quality batteries, we can ensure that your KBO ebike performance holds up over time and reduces the cost of long-term maintenance.
What Makes a Poor Quality Battery?
Just as good quality control and brand reputation leads to good batteries, poor quality control and bad reputation can lead to poor battery production. Choosing a bad battery can seriously reduce the performance of your electric bicycles and even cause serious damage.
If you come across other bikes with poor-quality battery packs, you might risk the chance of:
- Battery fires from charging/overcharging
- Rapid loss of battery life
- Rapid physical battery wear
- Poor charge cycle ratings, leading to higher maintenance costs.
Battery Pack Design
Finally, we will look at the key physical aspect of a good ebike battery, the battery pack design. In modern e-bikes, we see two major designs; frame-integrated batteries and removable battery packs. We can look at both of the battery pack designs and observe the pros and cons of each battery style for an ebike.
Frame-Integrated Battery Pack
A battery pack that is integrated into the frame is often found on higher end ebikes due to the cost of manufacturing and the advanced designs that come with this battery setup. If you want a minimal electric bike design, something that strikes visually while looking like a traditional bike. then an integrated battery pack is probably the ideal choice for you.
In order to charge this type of battery, you will have to hook the charge up directly to the bike wherever you may charge it. Oftentimes, integrated battery packs can shave off some weight of the bike as well.
Removable Battery Pack
The removable, or detachable, battery pack is a commonly found design for many different types of e-bikes. Because of its nature, removable battery packs can be fit onto any bike type or retrofitted onto traditional bikes for electric upgrades.
At KBO, we have already outfitted our bikes with mounting tools in the ideal location for the removable Samsung battery pack. A removable battery is great because you can lock/unlock it to the frame and take it off when it is time to charge. This way, you can take the battery home without having to move the entire bike with you.
As an added benefit, removable batteries sometimes include a USB outlet for you to use the e-bike battery to charge your phone or other electrical devices.
As with the best step thru electric bike. KBO has engineered a low-profile removable battery that actually appears as part of the frame. This is a combination of the outstanding benefits of both battery pack designs.
Conclusion
Now that you are more familiar with some of the standard terms used to define and measure e-bike battery performance, you should feel confident in making your next purchase. The whole point of buying electric bicycles is to harness the battery power in order to assist with riding in challenging scenarios, such as uphill riding, or to help you zip around town with minimal effort required.
Batteries are the core of the performance of an e-bike, and help distinguish a quality bike from those that are not suitable enough.
If you are looking for further battery explanation or want to learn more about the powerful, yet efficient battery setups in KBO bikes, do not hesitate to contact us with your questions. Our goal is to help you make the best choice and find an e-bike that will suit your individual needs.
Bosch e Bike batteries
Bosch batteries are an efficient, long-life energy source. Thanks to their enormous mileage, long service life and intelligent battery management system, Bosch lithium-ion batteries are among the most modern on the market. Bosch eBike batteries combine low weight with ergonomic design and simple handling. The battery management system of the high-quality lithium-ion batteries detects potential sources of error and protects cells from overloading. There’s a suitable rechargeable battery for every requirement and every type of eBike; whether it’s the rack variant, frame battery or the integrated solution. The DualBattery is perfect for touring bikers, long-distance commuters or cargo bikers. The combination of two Bosch batteries delivers up to 1,250 Watt hours.
Four battery positions
Frame battery
Sporty dynamic: As a frame battery, the PowerPack sits close to the centre of gravity to ensure optimum weight distribution.
Frame battery
Sporty dynamic: As a frame battery, the PowerPack sits close to the centre of gravity to ensure optimum weight distribution.
Rack battery
Comfortably convenient: On step-through models, the rack battery frees up space and allows the rider to safely mount and dismount.
Rack battery
Comfortably convenient: On step-through models, the rack battery frees up space and allows the rider to safely mount and dismount.
Integrated battery
Stylishly elegant: The PowerTube can be integrated perfectly in the frame, creating a clean eBike look.
Integrated battery
Stylishly elegant: The PowerTube can be integrated perfectly in the frame, creating a clean eBike look.
Double the power: Linking two Bosch batteries can deliver even greater range. Ideal for tour bikers, long-distance commuters and cargo bikers.
DualBattery
Double the power: Linking two Bosch batteries can deliver even greater range. Ideal for tour bikers, long-distance commuters and cargo bikers.
PowerPacks
The versatile power source: PowerPacks from Bosch come in a variety of types. Frame batteries are close to the bike’s centre of gravity. This has a positive effect on riding behaviour. The rack variant is ideal for step-through models (only available in Bosch eBike system 2), offering greater freedom when mounting or dismounting. Charging is very simple in both variants: For charging with a Bosch charger, the PowerPacks can be easily removed with just one hand movement or conveniently charged on the bike itself. The high-quality, long-lasting eBike batteries from Bosch have high energy density with a compact size and light weight.
Battery – variants for the Smart system
New PowerPack 545
Go that extra distance: The PowerPack 545 is your ideal companion for excursions and city trips. You’ll never be caught short – even on last-minute diversions or unplanned uphill climbs.
New PowerPack 545
Go that extra distance: The PowerPack 545 is your ideal companion for excursions and city trips. You’ll never be caught short – even on last-minute diversions or unplanned uphill climbs.
New PowerPack 725
power and stamina: The PowerPack 725 is the perfect choice for longer tours or more demanding rides. It is ideally suited to eCargo Bikes or speed pedelecs with higher energy requirements.
New PowerPack 725
power and stamina: The PowerPack 725 is the perfect choice for longer tours or more demanding rides. It is ideally suited to eCargo Bikes or speed pedelecs with higher energy requirements.
Battery – variants for Bosch eBike system 2
PowerPack 300
The ideal companion on short, high-speed tours: The PowerPack 300 rack and frame battery variants for Bosch eBike system 2 are suitable for everyday use and short distances.
PowerPack 300
The ideal companion on short, high-speed tours: The PowerPack 300 rack and frame battery variants for Bosch eBike system 2 are suitable for everyday use and short distances.
PowerPack 400
Go further: The power of the PowerPack 400 (as a frame or rack battery version) means you can spontaneously explore new routes, visit friends or run errands.
PowerPack 400
Go further: The power of the PowerPack 400 (as a frame or rack battery version) means you can spontaneously explore new routes, visit friends or run errands.
PowerPack 500
Perfect for long journeys: A PowerPack 500 is the same size as and only slightly heavier than a PowerPack 400 but extends the range for longer trips. Available as either frame or rack batteries.
PowerPack 500
Perfect for long journeys: A PowerPack 500 is the same size as and only slightly heavier than a PowerPack 400 but extends the range for longer trips. Available as either frame or rack batteries.
Filter options
- PowerPack 300
- PowerPack 400
- PowerPack 500
- PowerPack 545 Frame
- PowerPack 725 Frame
- System
- Mounting type
- Voltage
- Capacity
- Energy content
- Weight, Frame battery/ Rack battery
- Dimensions, Frame battery/ Rack battery
- Compatible with DualBattery
- Compact Charger
- Standard Charger
- Fast Charger
- 4A Charger
Unfortunately the selected combination is not available.
PowerPack 300
PowerPack 400
PowerPack 500
PowerPack 545 Frame
PowerPack 725 Frame
approx. 2.5 kg/ approx. 2.6 kg
Dimensions, Frame battery/ Rack battery
50% charge: Approx. 2 hours 100% charge: Approx. 5 hours
PowerPack 300
PowerPack 400
PowerPack 500
PowerPack 545 Frame
PowerPack 725 Frame
approx. 2.5 kg/ approx. 2.6 kg
Dimensions, Frame battery/ Rack battery
50% charge: Approx. 2 hours 100% charge: Approx. 5 hours
PowerTubes
For the highest demands in terms of performance and aesthetics: Bosch PowerTubes have the power to drive any ride and, thanks to their compact size and minimalist design, can be integrated within the eBike to ideal effect. There are two versions which are installed directly by the manufacturer, depending on the eBike model; horizontal or vertical. The sophisticated technology ensures carefree riding enjoyment: A safety catch prevents the batteries from falling out, while still allowing them to be removed with ease. Bosch offers three integrable lithium-ion batteries variants in the Smart system and in the Bosch eBike system 2, which cover all areas of application with different energy contents.
Battery – variants for the Smart system
New PowerTube 500
Elegantly integrated within the frame and the smallest PowerTube in the battery portfolio for the Smart system: The PowerTube 500 is the perfect match for minimalist lightweight eBikes.
New PowerTube 500
Elegantly integrated within the frame and the smallest PowerTube in the battery portfolio for the Smart system: The PowerTube 500 is the perfect match for minimalist lightweight eBikes.
New PowerTube 625
With the PowerTube 625 you have found the perfect fit for your eMTB adventures and longer trekking tours.
New PowerTube 625
With the PowerTube 625 you have found the perfect fit for your eMTB adventures and longer trekking tours.
PowerTube 750
The strongest and most robust PowerTube is made for long and demanding trail adventures. With this battery on board no mountain is too steep and no path too long.
PowerTube 750
The strongest and most robust PowerTube is made for long and demanding trail adventures. With this battery on board no mountain is too steep and no path too long.
Battery – variants for Bosch eBike system 2
PowerTube 400
The PowerTube 400 for Bosch eBike system 2 brings your stylish lightweight city bike up to speed and ensures carefree riding fun.
PowerTube 400
The PowerTube 400 for Bosch eBike system 2 brings your stylish lightweight city bike up to speed and ensures carefree riding fun.
PowerTube 500
The PowerTube 500 makes it easy for trekking and eMountain bikes to tackle long distances and the battery integrated in the frame provides a clean eBike look.
PowerTube 500
The PowerTube 500 makes it easy for trekking and eMountain bikes to tackle long distances and the battery integrated in the frame provides a clean eBike look.
PowerTube 625
Ready for any adventure: The PowerTube 625 for Bosch eBike system 2 lets you take on long and mountainous tours and offers plenty of power for maximum range and elevation.
PowerTube 625
Ready for any adventure: The PowerTube 625 for Bosch eBike system 2 lets you take on long and mountainous tours and offers plenty of power for maximum range and elevation.
Filter options
- System
- Mounting type
- Voltage
- Capacity
- Energy content
- Weight
- Dimensions, horizontal battery/ vertical battery
- Compatible with DualBattery
- Compact Charger
- Standard Charger
- Fast Charger
- 4A Charger
Unfortunately the selected combination is not available.
PowerTube 400
PowerTube 500
PowerTube 500
PowerTube 625
PowerTube 625
PowerTube 750
Dimensions, horizontal battery/ vertical battery
50% charge: Approx. 2.5 hours 100% charge: Approx. 6.5 hours
PowerTube 400
PowerTube 500
PowerTube 500
PowerTube 625
PowerTube 625
PowerTube 750
Dimensions, horizontal battery/ vertical battery
50% charge: Approx. 2.5 hours 100% charge: Approx. 6.5 hours
DualBattery
No journey is too long: DualBattery is the perfect solution for tourers, long-distance commuters, cargo bikers and eMountain bikers. The combination of two Bosch batteries delivers up to 1,250 Wh and can be installed in almost any battery combination from the manufacturer. The system switches intelligently between the two batteries both during charging and discharging. This ensures that both batteries are charged and discharged evenly, significantly increasing their service life. Depending on what is planned, a single battery can also be used.
DualBattery is only available for Bosch eBike system 2.
PowerPack 300 and PowerTube 400 don’t work in any combination with DualBattery.
Awards and test wins
For more than 10 years, Bosch eBike Systems has been delivering innovative eBike drive systems that offer the best performance and quality. Numerous awards and test wins confirm this and allow us to pursue our daily work with pride.
Choice between fixed and removable e-bike batteries
So you want to buy an electric bike. You are facing an incredibly large market and you are unsure whether you are looking for a bike with a detachable / replaceable battery or with a firmly attached to the bike?
Don’t worry guys, we have you guys.
The case for a solid battery
Ebike manufacturers speak:
Ampler bikes
Our bikes are built for everyday city commute and we believe an integrated battery is preferred. This has enabled us to build one of the lightest and most efficient e-bikes for urban commuting in the world that is fun and safe to ride. Our customers appreciate the advantages such as lightness, reliability and the appearance of a normal bicycle.
We also know that our bicycles are not suitable for everyone, but we have also seen that many customers overcome the charging blockade by charging their bike at work, for example. Since the battery range is more than sufficient for daily trips, you may only need to charge the bike once or twice a week.
– Ardo Kaurit, CEO Co-Founder of Ampler bikes.
We choose a non-removable battery for the Delta E-Bike because we want to make our E-Bikes as light as possible. Removable batteries are generally bulkier and heavier, and the frame also requires additional reinforcements and parts such as a lock and connector that make it heavier.
From a design point of view, the permanently installed batteries can be integrated more easily and (almost) invisibly for the user.
–Tom Schiller, co-founder and CEO of Mokumono.
The housing for a removable / replaceable battery
- They are typically visible on the bike frame. However, e-bike innovation has resulted in smaller batteries (i.e., less visible) or smarter designs. For example, cowboy positions its removable battery behind the seat post.
Ebike manufacturers speak:
At Dance, our goal is to make it easier every time to choose an e-bike over other trips. One way to incentivize the use of e-bikes is to develop products that fit our customers’ lifestyles. We want the customer to calculate what is best for them.
That’s why we decided on a replaceable battery: We want our customers to be able to easily charge their e-bikes; Not everyone has the opportunity to park near an electrical outlet.
Although the Dance One is lighter than other e-bikes, some can live on the third floor of an apartment building, for example.
With more than one battery, you can charge your bike in seconds. It’s a huge benefit for the customer.
I would say that at some point all micro-mobility vehicles will have removable / replaceable batteries.
– JT Burke, Head of Hardware, To dance
Wheel power bikes
At Rad Power Bikes, we believe in practical and accessible e-bikes that are built for everything and everyone. Our bikes are deliberately designed for ease of use and maximum functionality. The choice of a semi-integrated battery was rooted in this design philosophy. Offering a streamlined look while celebrating that it’s an e-bike, it offers easy access and maintenance that our customers love about our bikes.
This design means the battery can be charged on or off the bike and our riders can bring extra batteries that can be swapped out for longer trips, making our bikes a great option no matter where your destination is.
– Arno Saladin, European Business Director, Wheel power bikes
The elephant in the room is weather
Before you decide on an e-bike, think about the climate or the place where you will ride. One of the most important factors for the condition of the battery is the protection of your battery from the elements. Some general tips:
Temperatures below 5-10 degrees Celsius (40-50 degrees Fahrenheit) affect the performance of the battery. It is advisable to take the battery with you whenever possible. It is also not advisable to charge the battery in areas with freezing temperatures.
Conversely, warmer temperatures can wear out the components that are used to generate electricity for your e-bike, which leads to a premature loss of capacity. It is a good idea to store your battery / bike in the shade when the weather is hot.
Rad Power Bikes recommends that you always store your charging in a safe place indoors, between 10 ° C and 25 ° C (50 ° F-77 ° F) and out of direct sunlight, dirt, or foreign objects. Logistics important: Arrange the bike, battery and charger in such a way that tripping hazards and damage to the bike, battery or charger are avoided.
Boxer cycles to advise that most e-bikes are waterproof, but should not be submerged in water, should be ridden outdoors in heavy rain showers or through deep puddles.
Store your bike from the rain and make sure that the battery stays as dry as possible.
Whichever way you choose, an e-bike is a long-term investment. You want a bike that can continue to serve you as battery innovation accelerates over time. And yes, the next generation of batteries will be even better.
About Electric Bike S8 1000W Adult Electric Bicycle
S8 Electric Bike, Electric Mountain Bike, Fat Tire Bike, Electric Snow Bike, City Electric Bike, Electric Beach Bike for Adults
Battery: 48V 15AH automotive grade lithium battery, sliding and detachable, BMS technology, battery lock, USB charging port.
Motor: 750W (peak value 1000W) high-speed brushless motor.
Brakes: Front and rear dual disc brakes, power-off disc brakes.
Shock Absorption: Spring Suspension Front Fork, Shock Absorption Cushion.
Shifting: Shimano 7-speed chain shifting, motor 5-speed shifting.
Headlights: LED headlights, integrated taillights, and turn signals.
Handlebar: LED display and motor control buttons, Shimano 7-speed controller.
Tires: 204 inch fat tires, explosion-proof, vacuum.
Vehicle information: high-hardness alloy steel frame, hard aluminum alloy wheels, load capacity of 500 lbs, electrostatic paint.
35-Speed Electric Bicycle, Giving you more Riding Options
5-Speed Motor Speed Change: The high-speed motor has a 5-speed speed change mode, which controls the maximum speed of the motor. The maximum speed per hour corresponding to 1 to 5 gears is 6.2MPH(10KM/H)/12.4MPH(20KM/H)/18.6MPH( 30KM/H)/24.8MPH(40KM/H)/31MPH(50KM/H), to ensure that in different environments, the riding speed is different, and the riding is safer.
Shimano 7 Speed Chain Speed Change: Shimano 7 Speed Gear Box is adopted, and there are 7 chain speed change methods. Through the speed change adjustment, you can find the most suitable and comfortable riding mode.
The S8 adult Ebike adopts 2 independent shifting modes, namely a 5-speed motor speed change and a 7-speed disc chain speed change. The two modes are independent of each other and can be matched flexibly. It can form 35 speed change modes, allowing more choices for riding, and the journey is more enjoyable.
S8 Electric Bike, Ride Freely without Burden
S8 electric bicycle, high-speed brushless motor, strong power; detachable large-capacity battery, easy to carry, strong battery life; 3 riding modes, free choice, you can ride without power.
High-Speed Brushless Motor
This electric mountain bike is equipped with a 750W high-speed brushless motor, the maximum motor power is 1000W, high speed and quiet, smooth speed increase, strong power, and can climb 45-degree steep slopes, allowing you to easily cope with various terrains (mountains, steep slopes, snow land, plains, cities). The maximum speed can reach 31MPH (50KM/H), allowing you to ride freely.
The S8 large-capacity electric bicycle uses a 48V 15AH automotive-grade lithium battery. The large-capacity battery ensures long battery life. The battery core is the same as that of an electric vehicle. High density is more durable and small in size. BMS technology is used to extend the battery life. The service life is longer, and the battery life is longer. Snap-on slide rail design, the battery can be removed and charged, which is very convenient. Small size and portable, the battery comes with a USB charging port, which can charge mobile phones and other devices outdoors. The battery also comes with a PI65 waterproof battery box and battery lock, making riding safer.
The electric bicycle has 3 riding modes, including: electric vehicle mode, electric pedal assist mode, bicycle mode. In electric vehicle mode, it is driven entirely by electric motors, with a cruising range of up to 38 miles. In the electric pedal assist mode, the electric motor and the human pedal are driven together, reducing power consumption, and the cruising range can reach 63 miles. In bike mode, it’s a disc brake bike.
S8 Fat Tire Electric Bicycle, Safe Travel, Accompany you to Conquer Every Different Terrain
The S8 adult electric bicycle adopts large tires and double disc brakes, which have high safety performance and protects the safety of your every trip.
S8 uses 204″ fat tires with deep tire tread and a strong grip. The tires are wide and stable and can be suitable for different terrain environments. The tires are vacuum run-flat tires, so you can ride with more confidence.
S8 electric bicycle adopts front and rear dual disc brakes and power-off disc brakes. The braking effect is good, the safety distance is short, and the precise disc brakes make riding safe.
Multifunctional Smart Dashboard
LED display, showing your speed, battery level, and driving distance. Large LED display allows easy reading of statistics. The button on the screen can set the power on and off the password, can adjust the motor gear, and when the motor gear is adjusted, the gear will also be displayed on the screen.
Dual Shock Absorber System
The S8 electric bicycle adopts a spring suspension front fork and shock-absorbing seat cushion to absorb more shock and vibration from the frame, making riding more comfortable. The double shock absorber system can better relieve the riding pressure, make the ride more stable, and the riding experience is better.
The tail light of this adult electric bicycle adopts an integrated design, which makes the turn signal and tail light a whole, which not only protects your riding safety but also facilitates others to understand your driving direction.
— Atmospheric LED Headlights
The round Led headlights are very bright, allowing riders to stay safe and find their way when riding on busy roads at night.
Shimano 7-Speed Derailleur
There is a manual speed controller on the right side of the handlebar of the electric bicycle, which can control the Shimano 7-speed shift adjustment, which is very convenient.
Q1: Will I be the right height/weight for this bike?
A1: The S8 electric bike has a recommended rider height of 5.25″ ~ 6.35″ and a maximum payload of 500 lbs.
Q2: What is the battery capacity and how is it calculated?
A2: The battery capacity of the S8 electric bicycle is 720Wh. Battery capacity calculation formula: Wh=VAh. 720Wh=48V15Ah. The larger the Wh value, the longer the distance can be ridden.
Q3: How is the battery removed?
A3: The battery of the S8 electric bicycle is installed on the frame according to the slide rail, and the disassembly is also the slide rail removal, which is very easy.
Q4: What are the advantages of fat tires in all-terrain conditions?
A4: 204″ S8 FAT TIRE is easy to ride on the beach, mountain, snow, mud, forest, town, city, etc. Greater grip, more stable, to ensure your riding safety.
I’ve got over 130 miles on this bike and have a LOT to say about it. This is a great deal if you’re someone who rides rail-trails, gravel roads, smooth surface single tracks, or groomed snowmobile trails. It can be a workout depending on what level of assist that you use. 0 is no assist and 5 is full assist. There is also a thumb throttle so if your assist level is set too low, you can give the bike a little boost. I have used the bike on rough single tracks and think that it is unsuited. If you are going uphill on rough terrain, you will need to use an assist level that makes you go too fast. The cons of the bike are its weight and that you’ll need to buy a really heavy duty bike rack. It weighs about 70# with battery and 60# without. It’s too heavy to peddle unassisted up a grade. Rail-trail mileage is about 40 miles. The photo I’ve included is after 31 miles of rail-trail and you can see that I was showing 60%. But the rate of discharge is not linear and it would be close to 30% after 40 miles. I’ve done some single track riding in hills and guess that the mileage is no more than 25 miles. Gravel roads would be 30. But that’s plenty of miles for me! (Never, ever get below 10% or you’ll ruin the battery.) I am anxious to learn what the impact of cold weather will have on the battery. A really good quality and lighter eBike would be over 5,000. This is a great price for a eBike.
I bought my eBike a little over 6 months ago. I’ve been riding it almost every day. At first, I didn’t realize how good the quality was for this bike, but when I started comparing to everybody else I see on the bike paths, I realized what a nice bike I had bought. I had knee surgery several times in my 20’s and since have not been able to ride a normal bicycle. With my eBike, when I feel my knee is starting to hurt, I just let the eBike do most of the work to get back home. Always with a normal bike, I would end up in pain and then quit riding. This hasn’t happened to me with my eBike. Before summer came, I was riding my eBike from my house to the lake to go fishing almost every day. I threw a little pole and some crappie jigs in a backpack and can easily get down and back in an hour with about about 20 minutes of fishing. It feels like real freedom to finally get out and get some fresh air and sunshine. It’s not only helped my physical health, but I think mentally is has helped me too. I really enjoy getting outside every day now. Sometimes, I just blow right by those guys on expensive non-electric bicycles. I love it. One feature I didn’t see on the Amazon page that I like most about this bike is a setting that allows it to change the help level automatically. At first, I tried using level 5 because I like to get to the lake and back, but on level 5, it pushes you too hard when you are trying to do something simple like do a u-turn. After I found the auto-help setting that goes from 1 to 5 depending on how hard I pedal, I was really happy. With it turned on, it helps just a little when you are going slow, and when you want to pedal very fast, it helps as much as possible. It’s really great. I can’t really say anything but great things about this bike. It’s a wonderful bike, and I feel the quality is really great. I would like to recommend that people buy a helmet, a side mirror, and a red flashing light for the rear of the bike. These do not come with it. These are the things I found that were “must-buy accessories”. When you get going 30mph on an ebike, you realize very quickly that you need a helmet. 25mph feels a lot faster on an ebike than on a motorcycle. When you are going 25mph or more, you’ll find right away that a mirror is necessary also, so you can keep your eyes on the road ahead. The bike comes with an excellent headlamp, but I bought a flashing led lamp that attaches to the pole of my seat, so people can see me better at night from behind. I ride my bike day and night, and the extra led on the back makes me feel a little safer.