Common E-bike Battery Problems and How to Fix Them
There’s nothing worse than having to spend hundreds or thousands on an eBike only to have problems with its battery. Don’t get me wrong; e-bike batteries are built to last. but they’re still prone to failure if they aren’t adequately taken care of during their lifetime.
What happens if your battery fails?
Well, in this article, I’ve covered some most common eBike battery problems and how to fix them. So, if you’d like to know more. keep scrolling!
Ebike Battery Problems
When it comes to eBike troubleshooting, there are a couple of things that might be causing your battery problems, including:
- eBike battery pack swelling
- eBike battery not charging
- eBike battery not running for very long
- eBike battery pack not holding a charge
- eBike not turning on
- eBike not speeding up
Don’t worry, though. I’ll walk you through each one here!
eBike Battery Pack Swelling
If your eBike battery pack is swelling up, well, you likely have a pretty serious problem with one. or more. of the lithium-ion cells.
Some electric bike models use flat pack cells. and these are known to swell if they suffer some damage. On the other hand, the 18650 lithium-ion cells are far more resistant to swelling and, in turn, more reliable.
If you notice that your eBike’s battery pack has a bulge in it, be sure you turn off the power and carefully remove the battery from your eBike. It’s a good idea to recycle the battery; most cities have a place where you can do this.
Now, some eBike battery packs are positioned inside the bike’s frame. That makes it somewhat harder to notice if you have a swollen battery pack.
The only way to check if the battery is swollen is to drop the lower plate and take out the battery pack. Note that you’ll have to disconnect some cables before you do this.
eBike Battery Not Charging
If your battery isn’t charging, start by checking the following:
- Is the power turned on at the outlet?
- Is the charger working and outputting over 36 Volts?
- Is the battery hot?
- Is the battery charger port full of dirt?
- Has the battery been left discharged for several months?
- Has the fuse blown in either the eBike battery pack or the charger?
eBike Battery Not Running For Very Long
Lithium-ion batteries generally have a life of 700 charge cycles. They usually tend to lose full charge capacity over this mark.
That is entirely normal. and will, unfortunately, only get worse as time goes on.
Still, if you’re charging your bike every few days, you should be able to get many years out of your electric bike before you begin to notice the capacity of your battery is starting to degrade.
If you notice your eBike battery isn’t running as long as it used to, check the following:
- Is the battery pack being charged to 100%?
- Do you have a dragging of a disc brake?
- Is the terrain uphill?
- Are you assisting your battery by peddling?
- Are your eBike’s wheel bearings freely spinning?
- Do you have a short circuit in the battery, wiring, or motor?
Any of the scenarios mentioned above could lead to your battery discharging rather quickly.
eBike Battery Pack Not Holding A Charge
Lithium-ion batteries are good at holding a charge. However, like any other type of battery, they will slowly discharge over time.
If your eBike hasn’t been charged for a more extended period, it would be a good idea to give it a top-up. and see how it goes.
If you notice that you’re charging your battery, but it still discharges quickly without being used, you might have a short circuit somewhere or a faulty battery at your hands.
Here’s a quick test that can detect the problem:
Remove the battery pack from your eBike and charge it up on a bench. Once it’s fully charged, test the battery by leaving it off the bike.
If it holds a charge, the issue will be your electric bike. most likely a short circuit in the bike’s wiring or the motor. However, if it doesn’t hold the charge, your lithium-ion cell is faulty.
How Do I Know If My Bike’s Battery Is Charged?
Your battery charger will probably feature a LED light indicator that changes states depending on the bike’s battery level. It’ll go from red to green when the battery is fully charged in most cases.
However, in some chargers, the LED light will turn off completely when the battery is charged.
Either way, the point remains the same. you’ll have a way to track the progress while charging the battery.
Remember not to leave the battery pack on the charger longer than 24 hours, though.
Lithium-ion batteries don’t prefer being left on the charger. In the short term, this won’t hurt. but after a while, the battery’s capacity will go down.
You’ll also have an indicator of the battery’s current level on the battery pack itself or the speed controller. Some will use a 0-100% range, while others have a series of LED lights, depending on the model.
eBike Not Turning On
Let’s start with the obvious solution:
If your e-bike isn’t turning on, be sure to check if the main switch is in the “On” position.
Next, check the fuse for the battery pack. This fuse is usually located on the side and could blow up because of short circuits, vibrations, over-current, or old age.
If the fuse is in good condition and the battery pack is fully charged, check if the speed controller is in good condition, as well. The speed controller is the component that sends signals to turn on the battery pack.
These speed controllers could malfunction if damaged. either by dropping your bike or allowing water to get into them.
Hold the bike’s “On” button for about 10 seconds to force the speed controller to turn on. Some speed controllers are turned on by pressing the “M” button. Again, it depends on the e-bike model you have.
Be sure to check that your battery pack has at least two bars of power. An extremely low battery power level can lead to your electric bike not turning on, by the way.
Another thing to check here is that the electrical cables are correctly connected. Sometimes, the dirt roads can dislodge the cable connections; this is often the case with mountain electric bikes.
Water can find its way into these connections, too. Pull them apart and ensure the connection is tight.
eBike Not Speeding Up
There are numerous reasons why your electric bike isn’t speeding up.
often than not, the feedback magnets. positioned on the pedal crank or the rear wheel hub. for the proximity switch get dirty. Clean them with a rag, and you should be good to go.
This common eBike battery issue is often wrongly diagnosed.
Most quality electric bikes feature a switch on the back and front brakes to stop the drive motor. In some cases, these switches can get stuck. leading to their failure. Activate both brake levers a couple of times to try and free up the switch.
To check the limit switch, though, you might have to remove the whole rear or front brake lever. That’s another reason why you should avoid leaving your eBike out in the rain.
Also, while it might sound obvious, be sure to check if you’re in the proper mode. for example, pedal-assist, throttle-only, or pedal-only. I’ve sometimes found myself in the wrong mode, and I couldn’t figure out why my eBike isn’t speeding up.
There is typically a minimum speed that will activate the drive motor. That is just a safety feature. and it’s usually around 1.8 mph.
What Speed Are eBikes Limited To?
eBikes are limited to 25 km/h. or 15.5 mph. to conform to the majority of road rules around the globe. Once the motor reaches this speed limit, it will stop providing power further.
Of course, you can still pedal faster than 25 km/h, but you won’t get any assistance from the main motor.
Once the speed controller recognizes that you’re under 25 km/h, the battery management system will again supply power to the main motor. That is a standard component on most electric bikes. and, again, its role is to ensure that you conform to road rules.
Is 250Watts Enough For An eBike?
In most standard cases of use, 250W is more than enough power for you to ride your eBike on asphalt or dirt roads casually. A 250W drive motor is usually limited to 15 mph and can handle up to 240 pounds in rider weight.
If that doesn’t sound impressive, remember that you can always assist the main drive motor by pedaling.
You can always upgrade your bike with a Bafang conversion kit, though!
Conclusion
We can agree that e-bikes have come a long way since their first appearance. Granted, battery problems can occasionally happen, but most can be solved easily and quickly.
Hopefully, the tips I’ve outlined above will help you keep your eBike running fast. and for a long time. And remember:
The most significant danger to batteries of eBikes is excessive heat and low voltage. Make sure you keep your eBike battery topped up. and it will last for a very long time.
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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!
Your Official Guide to eBike Batteries: From Cost to Miles
Hunters desire ebikes. While they seem to come from two separate worlds, it’s almost as if they were made for each other.
The lightweight nature, ease of travel, range, lack of sound, and surplus of power are ideal for hunters. They make it easy to get down the trail, hauling you, your gear, and hopefully your take with little to no effort.
Not only that but they are permitted for use in many places where ATVs are prohibited. They make it possible for hunters to go deeper in the woods with no concern of exhaustion, and they keep hunters in the woods long after their joints make it hard to travel on foot.
As with any piece of gear with you, you need to know as much as possible about your ebike. That’s what we’re here to help you with. Our particular FOCUS for this electric bicycle blog will be on batteries.
An ebike battery is the bike’s life source. Without a battery, it’s simply a complicated bicycle that’s over-encumbered by unnecessary gear. It also happens to determine how far your bike will travel on motor power and how fast it can go.
What exactly is an ebike battery?
In some ways, you can think of the battery on an ebike like the fuel tank on an ATV, as they both play a role in how far a vehicle will travel. You can also compare it to the battery as both supply electrical current to the vehicle. That’s where similarities with either end, though.
The battery on your ebike does both of those jobs, while functioning as a defining component of performance. The size of the battery has a direct relation with how powerful the bike is.
Don’t worry. While the battery plays multiple roles and is different from a conventional lead-acid battery, they aren’t hard to understand.
Something that separates ebike batteries from traditional car batteries is that they aren’t just one large battery. It’s the opposite. They are made up of multiple 18650 cells.
Yes, these are the same cells used in your rechargeable flashlight. The difference is that they are wired in series to function as a single unit.
In addition, a balancer inside the battery is also used to ensure that the charge and loads placed on the batteries are equal to promote longer life and better use of stored energy.
What further separates these from car batteries is that they rely on lithium as opposed to lead. The use of lithium does drive up the price some, but it brings several advantages to the table, namely that these are pretty much maintenance-free.
The number one thing you need to be careful of is discharging the batteries completely, as doing so shortens the battery’s lifespan. Thankfully, onboard systems are in place to avoid this.
They work by cutting off supply from the battery when the charge gets too low, leaving just enough to prevent damaging the cells.
Not all eBike batteries are built the same, though, which is why you need to learn even more about them before you invest in these relatively expensive components.
How long do eBike batteries last?
Another advantage that lithium batteries have over their counterparts is that they can supply a superior number of cycles. The cycle of a battery is essentially the number of charges it can provide in its lifetime. If a battery can offer 300 cycles, you can get 300 charges.
Three hundred cycles are about average for a lead-acid battery. Nickle batteries can supply 500, and that’s a significant step up. On the other hand, lithium batteries can provide an average of 1,000 cycles before needing to be replaced.
So long as you practice proper care, eBike batteries can supply around three years of use to the average hunter.
What’s the typical range of eBikes?
Aside from some of the best electric hunting bike options. most can travel around 20 miles on a single charge. That’s a respectable number for most hunters. There are some variables to take into consideration, though.
The maximum range is generally based on a ride that takes place under perfect conditions. Riders can usually achieve that maximum range by limiting the use of the battery. Furthermore, there’s no consideration of rider and gear weight.
In most cases, those numbers come from riders who aren’t hauling gear. weight takes more power to overcome, and you can expect the actual range to be a bit lower when you start piling gear on and hopping on your electric bike.
How much does speed affect the longevity of my battery?
There is no internal combustion engine on an eBike. There’s a motor. They aren’t the same, even if the terms motor and engine are used interchangeably.
An engine runs on fuel. So, even if it’s dependent on the battery to supply small amounts of electricity, burning fuel creates motion.
That isn’t the case with a motor as they are entirely reliant on electricity. For all intents and purposes, the battery is your fuel source on electric hunting bikes.
Just like an engine consumes more fuel to reach higher speeds, a motor draws more energy from the battery. As a result, driving faster drains the charge more rapidly than you would at moderate speeds.
How much is a replacement?
You can find cheap eBike batteries for around 250 from aftermarket suppliers. We caution you against going with this option, though. Those cheap batteries are generally of inferior quality and will fail to live up to many of the promises they make.
Going to a manufacturer of the bike is usually the best bet for the average hunter. They can be four times the price but will be built of far better quality than many of the low-dollar suppliers found on the internet.
Of course, there are exceptions to this concept, and you can very well find a decent battery for a bargain. We advise you to talk to a specialist, particularly someone familiar with your exact model, as their knowledge of the market can help you find the battery that fits within your price range.
Technical Aspects Explained: Volts, Amps, and Watts
When you shop for batteries on your own or talk to a specialist, a few key terms are going to appear.
It’s important to know that all of those terms used to describe a battery are essential as they determine whether or not it is compatible with your eBike.
Can’t I just add a bigger battery?
The size of the battery and the specs above correlate with the amount of power it can supply and the range you can obtain. So, shouldn’t you just add a bigger battery? If a little is good, a lot is better. Right?
Not exactly. You might be able to upgrade the battery to a small degree. However, the components of the bike and the batteries match one another.
While your motor is always dependent on amps and voltage, the electronic parts can only handle so much, and going too big will cause severe damage.
It’s not as simple as buying a cheaper bike and combining it with a more capable battery. If you want more range, more power, or a higher top speed, simply invest in the better bike in the first place.
How about recharging? Any advice?
Charging an eBike isn’t the same as charging an ATV or car battery. Mainly because you don’t want to charge them 100%, that sounds odd, but the explanation as to why is pretty simple.
The major weak point of a lithium battery is that the life of each charge gradually gets shorter each time. When you charge them to 100%, the system shuts off.
If you continue to leave it on the charger, as you would if you leave it overnight, that charge will naturally be lower. When it does, the charger kicks back on tops the battery off.
Over several hours, that accumulation of discharges and recharges can harm battery life. The best way to avoid this is simply charging the battery to just under 100% and only charging up when needed.
Finally. how do I get the most out of my eBike battery?
We know. It’s getting hard to hide those hunting expenses from your spouse. But, between firearms, range finders, and packs, there’s quite a bit you need to stretch the truth on.
Unfortunately, eBike batteries will be something you need to sneak in from time to time. Don’t worry. We’ve got a few tips to help you get the most out of each battery.
Tip #1: Keep it charged in storage
We did say only charge the battery when you need to. However, you don’t want to store the battery with any less than 40% of a charge.
During the off-season, check up on it from time to time to make sure it doesn’t go any lower, as letting it go completely dead for extended periods can cause damage.
Tip #2: Take it to the extreme from time to time
We’re about to contradict ourselves by telling you that it’s a good idea to let the battery discharge completely and charge it to 100% every 30-40 charges. This helps to monitor the battery’s condition by ensuring everything is functioning correctly while giving you the advantage of utilizing the battery in its entirety.
Tip #3: Keep away from water
Avoiding deep puddles on an eBike is a must as it’s simply weather-resistant, not waterproof. Furthermore, submerging the battery in water will allow water inside, which can compromise its condition.
Tip #4: Avoid extreme temperatures
You want to keep your batteries away from too much heat or cold. Cold weather drains batteries faster, and Rapid discharges are an enemy to lithium batteries.
Heat can be equally bad, if not worse, as too much can lead to overheating the batteries, resulting in excessive wear on the system or catastrophic failure.
Tip #5: Throw it in the cabin
Don’t leave the battery on your eBike while you store it in the bed of your truck. All those vibrations can wreak havoc. Take a few seconds to remove it and store it in the truck’s cabin as the vibrations are at a minimum.
At the end of the day, electric bicycle batteries are batteries. While there are some quirks and things you need to know, you’re not unfamiliar with this territory—batteries power your GPS, your opticals, and even your clothing these days.
Making sure you get the most out of them is as simple as treating them with respect as you would any other.