Removable or Hidden E bike Battery? All You Should Know
Before you buy your next electric bike. there are certain factors you want to consider. Among other factors, e-bike battery is an essential component as it usually determine your bike performance level. However, batteries are in different types and sizes, they can either be removable or integrated, each with its pros and cons. Although many people reduce integrated and removable batteries differences to looks, they have more features. These characteristics can determine if it meets an intending rider’s needs or not.
What are Integrated Batteries?
Integrated batteries are rather fixed to the bike’s frame. Another name for integrated batteries is hidden batteries. The main advantage of integrated batteries is enhanced durability. Since it is mounted within the bike frame, it is not exposed to harsh weather conditions like storms. The battery is also hidden from wetness, which could cause corrosion.
Overview of Removable Batteries
Removable batteries are more commonly seen in modern electric bikes. They can either be a removable front frame or detachable rear rack batteries. The main difference is in the location. As the names imply, the former is located at the front frame, and the latter is at the rear rack region. We place the battery of Honbike HF01 at the middle centre of the bike’s frame.
Benefits of E-bike with Detachable Batteries
Removable batteries are popular nowadays because of their added benefits. Due to the tight schedule in people’s daily activities, they want to move their electric bicycles around quickly. Other benefits of removable batteries are further highlighted below.
Undoubtedly, removable batteries are easy to charge, as users can either choose to charge on or off the ebike. It is the perfect choice for a vacation, picnic, or trip. You can easily take your battery to a charging center without worrying about the extra load of moving your electric bike around. It also helps riders to charge their batteries in their work environment. You simply need to unlock the frame and detach the battery. The battery of Honbike HF01 can be fully charged for about 3.5-4 hours, which is short enough not to cause a delay in your journey.
Contrary to integrated batteries, you can easily replace a removable battery. You do not need any technical knowledge before replacing a battery. As for HF01 users, you can also take an extra battery to double your range As it only weighs 1.26kg. However, you must follow certain safety precautions while removing your e-bike’s battery.
- Insert the key gently into the battery lock.
- Use your other hand to support the battery to prevent it from crashing on the floor.
- Removing the Honbike battery will require you to do it clockwise.
- Once the battery has been successfully detached, pull out the key.
- Fold the stand, and release it back into the compartment.
Cons of Removable Batteries
Removable batteries have a few disadvantages, which are further listed below.
- They are prone to theft compared to integrated batteries.
- Removable batteries are apparent and enormous. However, the innovations ongoing in the ebike industry have yielded light-weighted removable batteries. For instance, the HF01 battery weighs 1.26 kg, a reasonable weight with much flexibility.
Advantages of E-bike with Integrated Batteries
Although removable batteries are popular and more adopted, hidden batteries serve their benefits.
- Most integrated batteries are lightweight.
- E-bikes with integrated batteries are designed to give a streamlined appearance. However, this is not a setback for removable batteries, as manufacturers’ expert level mainly determines an e-bike design.
- Integrated electric bikes are the best option for garage storage since you will have access to a charging point.
- Minimal theft risk since it is not easily removable.
- The batteries require low maintenance because they are not exposed to dirt or dust.
Features to Consider When Buying Ebike Batteries
The critical differences between integrated and removable batteries should help make good buying decisions, but there are other features to consider.
You need to ensure your electric bike has a battery lock that minimizes theft. This helps riders to park their e-bikes at ease without worrying about the bike being stolen. However, this applies if you ride an electric bicycle with a removable battery.
Every removable battery exists in different sizes. Understanding your commuting range will help in choosing the suitable size for you. This will help determine the extra weight you can carry while shopping or riding off-road. Also, the battery is an essential component of an e-bike and can influence its weight. Thus, there is a specific weight for different riders’ body sizes.
The range is also critical in choosing the best battery power rate. For instance, a 300Wh implies that the battery will run down after one hour. Confirm if your battery will survive the range you are riding or not. Meanwhile, the Honbike Uni4 can cover up to 52 miles on a single charge, meeting the daily needs of urban cyclists.
How to Extend your E-bike Battery Life
Battery’s durability varies with quality and brand type. However, a rider’s maintenance proficiency determines how long a battery lasts. If you want your battery to be in good shape for a long time, here are the maintenance processes to implement.
- Avoid using your battery on red: A rider needs to learn to charge a battery before it runs down. When a battery keeps running down, it gets weaker over time.
- Avoid overcharging your battery: Even if you are riding a long distance, overcharging the e-bike batteries is not the best solution. Instead, take the extra fully charged battery while on the journey. Also, you should know your battery’s charging time. If you use the Honbike Uni4, the charging time is between 4-4.5 hours. Whenever your battery is fully charged before this duration, please do not leave it plugged into the socket.
- Do not use a warm battery: Allowing your battery to cool off before usage boosts its longevity. It would help to let it cool off after charging before putting it in the e-bike.
- Proper storage condition: Storing your e-bike battery in an extremely hot or cold temperature could reduce its lifespan. It would help if you did not also expose your battery to harsh weather, such as heavy rainfall. The manufacturer’s manual guide usually states the appropriate storage condition for every battery.
Conclusion
Not every rider can easily identify whether an electric bike has a removable or integrated battery. The positions of the batteries are the easiest way to determine if it is removable or not. Meanwhile, it is not difficult to detach a removable battery from an electric bicycle. The integrated batteries are usually placed in the front region of the frame. In the real sense, integrated batteries can be removed, but you will need some technical tools or equipment. With the differences highlighted in this article, you can decide if you want to stress through removing an integrated battery or not.
DEHAWK D1B-3614G E-Bike Battery Kit, Bottle Battery for Down Tube 36V Black
or 4 payments of 164.75 with Info
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Standard Shipping Rate. 8.00 Free shipping, when you buy 2 x E-Bike Australia wide, except regional remote areas and islands (additional remote surcharge will be added)
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Nominal Voltage
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| SKU | P-BKD1B |
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| Shipping Weight | 3.2500kg |
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From This Category
E-Bike, Pedelec 48V 13Ah 624 Wh Battery Conversion Kit Carrier Charger [Black] 599.00 or 4 payments of 149.75 with Info
Battery kit. BKS13614GB 36V 14Ah 504Wh with charger [Black] 599.00 or 4 payments of 149.75 with Info
DEHAWK Battery for NCM Paris, London, Rome, Essen. E-Bike 36V From 439.00 or 4 payments of 109.75 with Info
Front Light Cable SEP/HL2701 for NCM Munich 28 Hamburg 28 2.59 or 4 payments of 0.65 with Info
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Copyright © 2023 Leon Cycle Pty Ltd. ABN: 20627359031Address: 3/45 Leakes Road, Laverton North, Vic, 3026, AU
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Welcome to our website. If you continue to browse and use this website, you are agreeing to comply with and be bound by the following terms and conditions of use, which together with our privacy policy govern Leon Cycle Pty Ltd’s relationship with you in relation to this website. If you disagree with any part of these terms and conditions, please do not use our website.
The term ‘Leon Cycle Pty Ltd’ or ‘us’ or ‘we’ refers to the owner of the website whose registered office is 3/45 Leakes Road, Laverton North, Vic, 3026, AU. Our ABN is 20627359031. The term ‘you’ refers to the user or viewer of our website.
The use of this website is subject to the following terms of use:
- The content of the pages of this website is for your general information and use only. It is subject to change without notice.
- Neither we nor any third parties provide any warranty or guarantee as to the accuracy, timeliness, performance, completeness or suitability of the information and materials found or offered on this website for any particular purpose. You acknowledge that such information and materials may contain inaccuracies or errors and we expressly exclude liability for any such inaccuracies or errors to the fullest extent permitted by law.
- Your use of any information or materials on this website is entirely at your own risk, for which we shall not be liable. It shall be your own responsibility to ensure that any products, services or information available through this website meet your specific requirements.
- This website contains material which is owned by or licensed to us. This material includes, but is not limited to, the design, layout, look, appearance and graphics. Reproduction is prohibited other than in accordance with the copyright notice, which forms part of these terms and conditions.
- All trademarks reproduced in this website, which are not the property of, or licensed to the operator, are acknowledged on the website.
- Unauthorised use of this website may give rise to a claim for damages and/or be a criminal offence.
- From time to time, this website may also include links to other websites. These links are provided for your convenience to provide further information. They do not signify that we endorse the website(s). We have no responsibility for the content of the linked website(s).
- Your use of this website and any dispute arising out of such use of the website is subject to the laws of Australia.
Privacy Policy
This privacy policy sets out how we uses and protects any information that you give us when you use this website.
We are committed to ensuring that your privacy is protected. Should we ask you to provide certain information by which you can be identified when using this website, then you can be assured that it will only be used in accordance with this privacy statement.
We may change this policy from time to time by updating this page. You should check this page from time to time to ensure that you are happy with any changes.
What we collect
We may collect the following information:
- name and job title
- contact information including email address
- demographic information such as postcode, preferences and interests
- other information relevant to customer surveys and/or offers
What we do with the information we gather
We require this information to understand your needs and provide you with a better service, and in particular for the following reasons:
- Internal record keeping.
- We may use the information to improve our products and services.
- We may periodically send promotional emails about new products, special offers or other information which we think you may find interesting using the email address which you have provided.
- From time to time, we may also use your information to contact you for market research purposes. We may contact you by email, phone, fax or mail. We may use the information to customise the website according to your interests.
We are committed to ensuring that your information is secure. In order to prevent unauthorised access or disclosure, we have put in place suitable physical, electronic and managerial procedures to safeguard and secure the information we collect online.
How we use cookies
A cookie is a small file which asks permission to be placed on your computer’s hard drive. Once you agree, the file is added and the cookie helps analyse web traffic or lets you know when you visit a particular site. Cookies allow web applications to respond to you as an individual. The web application can tailor its operations to your needs, likes and dislikes by gathering and remembering information about your preferences.
We use traffic log cookies to identify which pages are being used. This helps us analyse data about webpage traffic and improve our website in order to tailor it to customer needs. We only use this information for statistical analysis purposes and then the data is removed from the system. Overall, cookies help us provide you with a better website by enabling us to monitor which pages you find useful and which you do not. A cookie in no way gives us access to your computer or any information about you, other than the data you choose to share with us. You can choose to accept or decline cookies. Most web browsers automatically accept cookies, but you can usually modify your browser setting to decline cookies if you prefer. This may prevent you from taking full advantage of the website.
Links to other websites
Our website may contain links to other websites of interest. However, once you have used these links to leave our site, you should note that we do not have any control over that other website. Therefore, we cannot be responsible for the protection and privacy of any information which you provide whilst visiting such sites and such sites are not governed by this privacy statement. You should exercise caution and look at the privacy statement applicable to the website in question.
Controlling your personal information
You may choose to restrict the collection or use of your personal information in the following ways:
- whenever you are asked to fill in a form on the website, look for the box that you can click to indicate that you do not want the information to be used by anybody for direct marketing purposes
- if you have previously agreed to us using your personal information for direct marketing purposes, you may change your mind at any time by writing to or emailing us.
We will not sell, distribute or lease your personal information to third parties unless we have your permission or are required by law to do so. We may use your personal information to send you promotional information about third parties which we think you may find interesting if you tell us that you wish this to happen.
If you believe that any information we are holding on you is incorrect or incomplete, please write to or email us as soon as possible at the above address. We will promptly correct any information found to be incorrect.
DEHAWK D1B-3614G E-Bike Battery Kit, Bottle Battery for Down Tube 36V Black
or 4 payments of 164.75 with Info
Calculate Shipping
Standard Shipping Rate. 8.00 Free shipping, when you buy 2 x E-Bike Australia wide, except regional remote areas and islands (additional remote surcharge will be added)
Notify me when back in stock
Nominal Voltage
Max. Charge Voltage
Cut-off Voltage
10 Ah (360 Wh), 12 Ah (432 Wh), 14 Ah (504 Wh)
Max. Rated Current
Max. Charging Current
Cell Format
up to 1000 charge/discharge cycles, 60% remaining capacity after 500 cycles
| SKU | P-BKD1B |
| Brand | DEHAWK |
| Shipping Weight | 3.2500kg |
| Shipping Width | 0.062m |
| Shipping Height | 0.080m |
| Shipping Length | 0.458m |
| Shipping Cubic | 0.002272000m3 |
| Unit Of Measure | ea |
From This Category
E-Bike, Pedelec 48V 13Ah 624 Wh Battery Conversion Kit Carrier Charger [Black] 599.00 or 4 payments of 149.75 with Info
Battery kit. BKS13614GB 36V 14Ah 504Wh with charger [Black] 599.00 or 4 payments of 149.75 with Info
DEHAWK Battery for NCM Paris, London, Rome, Essen. E-Bike 36V From 439.00 or 4 payments of 109.75 with Info
Front Light Cable SEP/HL2701 for NCM Munich 28 Hamburg 28 2.59 or 4 payments of 0.65 with Info
Stay In Touch
Subscribe to our newsletter and we’ll keep you up to date on our products and services.
Copyright © 2023 Leon Cycle Pty Ltd. ABN: 20627359031Address: 3/45 Leakes Road, Laverton North, Vic, 3026, AU
Terms Conditions
Welcome to our website. If you continue to browse and use this website, you are agreeing to comply with and be bound by the following terms and conditions of use, which together with our privacy policy govern Leon Cycle Pty Ltd’s relationship with you in relation to this website. If you disagree with any part of these terms and conditions, please do not use our website.
The term ‘Leon Cycle Pty Ltd’ or ‘us’ or ‘we’ refers to the owner of the website whose registered office is 3/45 Leakes Road, Laverton North, Vic, 3026, AU. Our ABN is 20627359031. The term ‘you’ refers to the user or viewer of our website.
The use of this website is subject to the following terms of use:
- The content of the pages of this website is for your general information and use only. It is subject to change without notice.
- Neither we nor any third parties provide any warranty or guarantee as to the accuracy, timeliness, performance, completeness or suitability of the information and materials found or offered on this website for any particular purpose. You acknowledge that such information and materials may contain inaccuracies or errors and we expressly exclude liability for any such inaccuracies or errors to the fullest extent permitted by law.
- Your use of any information or materials on this website is entirely at your own risk, for which we shall not be liable. It shall be your own responsibility to ensure that any products, services or information available through this website meet your specific requirements.
- This website contains material which is owned by or licensed to us. This material includes, but is not limited to, the design, layout, look, appearance and graphics. Reproduction is prohibited other than in accordance with the copyright notice, which forms part of these terms and conditions.
- All trademarks reproduced in this website, which are not the property of, or licensed to the operator, are acknowledged on the website.
- Unauthorised use of this website may give rise to a claim for damages and/or be a criminal offence.
- From time to time, this website may also include links to other websites. These links are provided for your convenience to provide further information. They do not signify that we endorse the website(s). We have no responsibility for the content of the linked website(s).
- Your use of this website and any dispute arising out of such use of the website is subject to the laws of Australia.
Privacy Policy
This privacy policy sets out how we uses and protects any information that you give us when you use this website.
We are committed to ensuring that your privacy is protected. Should we ask you to provide certain information by which you can be identified when using this website, then you can be assured that it will only be used in accordance with this privacy statement.
We may change this policy from time to time by updating this page. You should check this page from time to time to ensure that you are happy with any changes.
What we collect
We may collect the following information:
- name and job title
- contact information including email address
- demographic information such as postcode, preferences and interests
- other information relevant to customer surveys and/or offers
What we do with the information we gather
We require this information to understand your needs and provide you with a better service, and in particular for the following reasons:
- Internal record keeping.
- We may use the information to improve our products and services.
- We may periodically send promotional emails about new products, special offers or other information which we think you may find interesting using the email address which you have provided.
- From time to time, we may also use your information to contact you for market research purposes. We may contact you by email, phone, fax or mail. We may use the information to customise the website according to your interests.
We are committed to ensuring that your information is secure. In order to prevent unauthorised access or disclosure, we have put in place suitable physical, electronic and managerial procedures to safeguard and secure the information we collect online.
How we use cookies
A cookie is a small file which asks permission to be placed on your computer’s hard drive. Once you agree, the file is added and the cookie helps analyse web traffic or lets you know when you visit a particular site. Cookies allow web applications to respond to you as an individual. The web application can tailor its operations to your needs, likes and dislikes by gathering and remembering information about your preferences.
We use traffic log cookies to identify which pages are being used. This helps us analyse data about webpage traffic and improve our website in order to tailor it to customer needs. We only use this information for statistical analysis purposes and then the data is removed from the system. Overall, cookies help us provide you with a better website by enabling us to monitor which pages you find useful and which you do not. A cookie in no way gives us access to your computer or any information about you, other than the data you choose to share with us. You can choose to accept or decline cookies. Most web browsers automatically accept cookies, but you can usually modify your browser setting to decline cookies if you prefer. This may prevent you from taking full advantage of the website.
Links to other websites
Our website may contain links to other websites of interest. However, once you have used these links to leave our site, you should note that we do not have any control over that other website. Therefore, we cannot be responsible for the protection and privacy of any information which you provide whilst visiting such sites and such sites are not governed by this privacy statement. You should exercise caution and look at the privacy statement applicable to the website in question.
Controlling your personal information
You may choose to restrict the collection or use of your personal information in the following ways:
- whenever you are asked to fill in a form on the website, look for the box that you can click to indicate that you do not want the information to be used by anybody for direct marketing purposes
- if you have previously agreed to us using your personal information for direct marketing purposes, you may change your mind at any time by writing to or emailing us.
We will not sell, distribute or lease your personal information to third parties unless we have your permission or are required by law to do so. We may use your personal information to send you promotional information about third parties which we think you may find interesting if you tell us that you wish this to happen.
If you believe that any information we are holding on you is incorrect or incomplete, please write to or email us as soon as possible at the above address. We will promptly correct any information found to be incorrect.
Replacement Electric Bike Batteries Guide
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A good e-bike battery should last for hundreds of cycles. With average use, this means several years. Eventually, electric bike batteries need to be replaced as their life cycle comes to an end.
You can tell when a battery is nearing the end of its life when it does not provide you with much range. Some high-quality batteries that come on the top e-bikes such as a Bosch battery have a battery management system (BMS) integrated into the battery that actually tells you the current capacity and also how many charge cycles it has gone through.
But no matter what type of battery you have you’ll sooner or later be asking yourself the all-important question: how can I replace my e-bike battery?
Down below Electric Bike Report dives into this question and more in greater detail.
Are E-bike Batteries Interchangeable?
In general, the answer is no – you should only replace a battery with one that comes from the same manufacturer and is of exactly the same spec.
The reason is that the original e-bike or kit manufacturer has the responsibility to ensure that the battery pack, charger, and e-bike all work safely together, and using a ‘non-original’ replacement pack potentially introduces all sorts of uncontrolled risks.
It’s a little more complicated than this in some situations. For example, some Bosch batteries of different capacities are explicitly made to be interchangeable and there will be many instances where an original supplier and/or manufacturer of the e-bike cannot be traced or has gone out of business – in such cases we look at your options below.
As an important side note: you should always, if possible, use a charger that comes from the original manufacturer too. The one that comes with your battery should sync up well and not overload the battery. Pairing your battery with a different charger adds in risk of malfunction during charging.
Let’s first look at the basics of getting a replacement battery for your e-bike, then we will look at some of the major manufacturers of e-bike batteries and some of the main e-bike manufacturers to see which common battery types are still replaceable. Let’s consider the options for replacement in terms of desirability.
Where Should I Go to Get a Replacement E-Bike Battery?
On this last point it may help to note that there are a couple of manufacturing standards for rechargeable lithium-ion batteries used in e-bikes. Although it’s not a legal requirement, it may be that one of the standards is actually marked on the battery itself.
The standards are BS EN 50604‑1 and UN38.3, the latter required for lithium-ion battery transport by air, sea or land. Just because these standards are not marked on a battery doesn’t mean it does not comply with them – but it is a reassuring sign if a battery does bear one or both of these marks.
Note that using a replacement battery that does not come from the original manufacturer (whether a dealer is involved or not) may void the warranty of your electric bike or kit. Check with the e-bike or kit company to understand what their policy is regarding the use of aftermarket replacement batteries.
Replacement Batteries from Original Manufacturers
Bosch E-Bike Batteries
Only Bosch manufactured batteries will be used on any new Bosch e-bike – this has always been the case and so it makes advice on interchangeability a little more straightforward than with the likes of Shimano and Brose who have both allowed the use of third party batteries with their mid-drive motor systems.
There have been four basic designs made by Bosch over the years (good online overview here):
- Rack mounted batteries: PowerPack in 300, 400, and 500 Wh versions which are all interchangeable with each other.
- Down tube mounted batteries: PowerPack in 300, 400, and 500 Wh versions, current versions of which are all interchangeable with each other.
- Frame integrated batteries: PowerTubes in 400, 500, and 625Wh versions, with the 400 and 500 units being interchangeable with each other. The 625Wh may be retrofittable but it needs a compatible frame with a big enough space to house it (400 and 500 units are the same physical dimensions but 625 is bigger). 500 and 625 Wh units are used on the Dual Battery system to give a capacity up to 1250Wh.
- Frame Integrated ‘Smart’ Option batteries: This is a new 750Wh option for 2022 and will be only compatible with 2022 e-bikes that feature the Bosch ‘Smart’ system and will not be compatible with other Bosch e-bikes that are ‘non-Smart’. Similarly, other types of PowerTube batteries (400, 500, and 625Wh versions) will not be compatible with e-bikes featuring Bosch’s ‘Smart’ system.
Some third-party batteries compatible with Bosch systems are available as detailed in the section below.
There are some suppliers of batteries that will fit older models, in some cases dating back to 2011 when the Bosch e-bikes first entered the market, for example, The Holland Bike Shop in Europe sells some batteries compatible with much older Bosch-powered models.
Shimano E-Bike Batteries
Shimano produces its own brand batteries for use on their systems, but you may also find new e-bikes powered by Shimano motor systems with batteries manufactured by their licensed partners Darfon and SMP. These third party batteries are not interchangeable with any Shimano batteries.
Shimano’s current range includes rack-mounted, downtube-mounted and frame-integrated batteries from 418Wh to 630Wh. You can see a brief overview with detailed links to each battery on offer here.
It’s important to note that each battery model has a limited number of specific battery mounts it will work with, so it is important to replace an old battery with one that is compatible with the mount on your e-bike. You can check out detailed compatibility info here and here.
Shimano says that ‘the oldest current battery we have is the BT-E6000 and the corresponding battery mount BM-E6000. These are compatible with all five of our current drive units (DU-EP8/E8000/E7000/E6100/E5000), but not earlier systems. For reference, DU-E8000 is the oldest in that list – it was introduced in 2016.’
Brose E-Bike Batteries
The only battery listed on Brose’s own website is a 630Wh frame-integrated option.
However, Brose systems are widely used by other manufacturers who also spec own-brand or third-party batteries. These include the likes of the widely respected battery manufacturer BMZ and well-known brands like Scott and BULLS.
For example, Specialized’s ‘full power’ range use Brose-based mid drives and a range of their own brand frame-integrated batteries. Although information on interchangeability is scarce, a Specialized FAQ page, in response to the question ‘Can I increase range by using the 604Wh aftermarket battery in any Turbo Vado/Como?’ says yes, all Vado batteries are cross-compatible as long as you are running the latest firmware (by implication so are Como and Turbo full power batteries are cross-compatible too).
The above appears only to address compatibility on current Specialized models and battery availability for older models appears a bit more complex with lots of debate online over the matter.
The fact that the latest Specialized e-bike batteries contain a Bluetooth chip to communicate with the latest Mission Control App certainly suggest both backward compatibility and availability of third party batteries will be very limited. Current e-bike batteries available from Specialized can be found here.
Yamaha E-Bike Batteries
Yamaha has integrated, rack-mounted and frame-mounted options ranging between 400Wh and 600Wh but information on backward compatibility is rather hard to find. Their systems appear on Haibike models and in the US on their own brand models too.
Giant use Yamaha motor systems but apparently have their own brand of battery – the EnergyPak range. The standard EnergyPak comes in rack-mounted and frame-integrated options whilst the Smart Compact variant allows for faster charging.
Finally, there is the Giant EnergyPak Plus, for use with the Smart Compact – a range extender style battery that fits onto the frame and effectively increases the capacity of the main Plus battery.
Giant’s Service web page states that there are EnergyPaks with 300, 360, 400, 500 and 625Wh capacities and also states ‘Giant EnergyPaks are interchangeable’.
Fazua E-Bike Batteries
This lightweight German-made system uses a frame-integrated 250Wh design and there have been two types of battery, Battery 250 and Battery 250X, the latter having the ability to be switched on and off remotely.
The latest Fazua Evation 250X battery is compatible with all Fazua electric bikes from 2019-22.
GRIN and Cytronex E-bike Kit Batteries
Canada’s GRIN is a true expert in producing a wide variety of e-bike kits. Whilst they do several designs of batteries, one of their best options from a replaceability point of view is their own brand LiGo batteries.
LiGo batteries are very unusual in being modular so that you can easily connect together as many as you like to increase or decrease battery capacity at will. They are particularly suitable for lightweight and folding bikes (I use them on a GRIN Brompton kit) and also for those who want to air travel with e-bikes as the individual battery units are only 98Wh and so are generally allowed on passenger aircraft (disconnect them from each other for travel and reconnect them on landing to make a useful e-bike battery).
The design has been around for several years and is backward compatible.
The UK’s Cytronex produces both European and US spec lightweight kits which use a unique own-design of ‘bottle battery’.
Cytronex says all their lithium bottles are compatible forwards and backward from the first version in 2017. They have different firmware for the new Bluetooth variant but both this and the non-Bluetooth version allow you to use the new 2-way – 5 level Boost Button or the previous one-way 3 level button.
In fact, if you have old and new kits on two bikes you can switch the bottle between both and it will recognize the two different button types automatically.
E-bike Manufacturers Own Brand Batteries
There are hundreds of e-bike manufacturers in the more budget space so it’s way beyond the scope of this guide to cover the options for each one; rather we’ll take a look at a couple of the market leaders.
Rad Power Bikes E-Bike Batteries
Rad Power Bikes first started producing e-bikes for the North American market in 2015 and now claims to be the US market leader. Their website lists several replacement batteries and their current lineup of bikes uses one of two battery designs.
There is the External Battery Pack (with the option for the smaller pack specific to the RadMission) which is compatible with all 2018 and newer model ebikes except the RadRover 6 Plus and RadCity 5 Plus, which use the Semi-Integrated Battery Pack.
Rad Power Bikes does offer legacy options for bikes older than that 2018 ‘cutoff’ and although some of these legacy batteries are currently out of stock Rad says they have plans to restock them.
The battery packs are consistent across their main sales areas of Canada, US and Europe.
The Rad Power website has a great filter system so you can track down the compatibility of what batteries are in stock against all current and previous models, right back to the original 2015 RadRover. All e-bike manufacturers’ websites should provide this service!
Pedego E-Bike Batteries
A longstanding US manufacturer with a clear set of battery specs for current models here. However, there doesn’t appear to be any info about legacy batteries or backward compatibility.
Interestingly, and it seems uniquely amongst the mainstream manufacturers, Pedego have recently introduced a serviceable battery (pictured above) – designed to be easily maintained at the local Pedego store. It features a rear light, brake light and indicators to boot.
Batteries for Out-Dated Motor Systems
There are a number of older motor and battery systems that are either not used or little used these days but there are still some suppliers out there who may be able to help out and if you are in this position a bit of internet research might just turn something up. Let’s take a look at a couple of examples.
BionX E-Bike Batteries
BionX operated between 1998 and 2018 and were once one of the leading e-bike system manufacturers in North America, with the likes of Trek and Kalkhoff using their systems.
There are still limited stocks of spare parts available here and there, including batteries, for example on this Ohm webpage.
Heinzmann E-Bike Batteries
German company Heinzmann had a great reputation for quality and produced the now obsolete Classic system and the newer Direct Power system. At various times both were available as kits or fitted to off-the-peg e-bikes.
In the UK Electric Vehicle Solutions are the main stockist of complete Direct Power kits and of spare parts for the Classic system.
What About Non-removable Frame Integrated Batteries?
A relatively small number of e-bike batteries are incorporated into the frame and not designed to be removed by the rider – they must be charged on the bike. Whilst perhaps inconvenient for some, the system has the benefit of a sleeker and simpler design and keeps the battery cells well-protected.
The Ebikemotion X35 system is one example of the most common lightweight systems out there to feature a frame-enclosed battery.
When it comes to replacing these batteries, to be clear, our official advice is that this is a job for the dealer, or expert shops to do only.
DIY in this area can get tricky in a hurry. Looking into service options to replace batteries in an integrated system is something to consider before purchasing the bike.
Third-Party Replacement E-Bike Batteries
For some older batteries – or even some current ones – there may be manufacturers other than the so-called OEMs (original equipment manufacturers) who made the original batteries. These third-party companies are not recognized by the original e-bike manufacturers so if possible it is always best to go back to your dealer or the manufacturer directly to source an original battery.
However, third-party batteries may be a solution where no original batteries appear to be available.
There are a growing number of companies that provide third-party batteries and here we take a look at a couple of the bigger operations.
Please note that on e-bikes that are still in their warranty period, replacing the battery with one from a third-party manufacturer will most likely void the warranty.
FTH Power has a good amount of experience in the electronics business and has diagnostics and assembly capabilities. They look to have good stocks of popular far eastern battery brands such as Reention (used by the likes of Juiced and Surface 604) and Hailong. They also have this handy battery/model finder to see if they have batteries for your particular model of e-bike.
Third-party battery provision (and recelling services) appear to be bigger business in mainland northern Europe than in the U.S. It makes sense, this is where e-bikes have been around much longer and where the average value of e-bikes is higher. The need to keep older bikes going longer is greater. For example, Heskon is a major supplier of replacement batteries to dealers and Fiets Accu Revisie is the part of Heskon that sells direct to customers.
The UK’s Electric Transport Shop network offers battery diagnosis (refundable against a replacement battery or recell if required). The ETS says they also have stocks of Battery Management System chips that can be used on certain packs, usually on older e-bikes.
The ETS also says ‘There are so many shapes of e-bike batteries now that we cannot guarantee that we have cell packs to fit them all and it is usually cheaper to buy a factory-built replacement than to hand-build a replacement pack in the UK so we usually recommend buying a battery from the original supplier if the diagnosis proves that’s what is needed. If their supplier is no longer available to supply a replacement pack in this instance we will help people find a suitable replacement or as a last resort we will offer to wire in an alternative pack which may be in a different position on the bike.’
What Should I Do With My Old E-bike Battery?
If at all possible the ideal solution is to take it back to the dealer you bought it from who will send it on for recycling.
In the US the industry is in the midst of setting up its own recycling scheme. It was organized by People for Bikes and will be directly coordinated under the auspices of Call2Recycle. There will be a network of battery drop-off locations from the nation’s roughly 3,000 independent bike shops. Manufacturers and retailers can sign up here.
The batteries will be sent on to ‘processing partners’, four of which are domestic and two of which are foreign—one in South Korea and one in Belgium.
The consortium brands are funding the recycling service, which will be free to riders; of course, consumers will still have to pay for replacement batteries. There are also plans for a consumer-direct mail-in recycling option in the summer – EBR will keep you posted on its development.
There are already such ready-made recycling networks in mainland Europe and the UK is just beginning to establish such a network.
This guide to replacement electric bike batteries hopefully covered the basics of what is out there for you. It’s certainly just the tip of the iceberg though. If there is anything else that wasn’t covered here, let us know in the Комментарии и мнения владельцев below and we’ll update this guide with the info our readers are looking for!