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Our Recommended Best E-Bike Battery Pack Is The Bafang BBS01B 36V 250W Mid Drive Electric Bike!
Whether you are building your complete bike electric from scratch, converting one or simply switching out the electric bike batteries to a better one, finding the best battery pack out there to install can be a mission.
You need to ensure you have the right battery capacity according to the range you want from your electric bike and the battery should have a long lifespan too to make it a good investment.
To help you find the best e-bike battery pack out there on the market we have compared and reviewed some of the best battery packs down below.
The Bafang mid-drive conversion kit features a 36V 15.6Ah lithium-ion battery which has a charging cycle of over 2000 times.
This battery has a built-in IC chip that stops the device from overheating, over-current and short-circuiting. The battery pack can be combined with a 36V electric motor from Bafang which contains brake levers, an LCD and a thumb throttle.
Its whole weight is around 4kg and comes with a one-year warranty for buyers confidence.
To conclude, this Bafang battery pack is a reliable choice of battery to choose compared to other bike manufactures and is an excellent choice if you are looking to convert your ebike motor.
Its range is excellent for the long-range commuter type of riding and mountain biking.
The downfalls of the battery pack are its fairly heavy weight, making it a little hard to install.
The QMYYCL 48V 17.5Ah battery pack can be used with motors ranging between 1000W/750W/500W/250W and can be charged within 3-5 hours.
Its bike tech battery has a Built-in 30A BMS protection board to stop the ebike model battery from short-circuiting or overheating when ebike riding and even has a USB charging port on the side of the device.
In terms of lifespan the battery pack from QMYYCL can be charged over 1000 times and has a 5-year lifespan, it is additionally has a safety lock to prevent the battery from being stolen.
Overall, this e-bike battery pack from QMYYCL has a great capacity for long-distance riding and can be paired with a maximum power motor for long-distance riding style.
Its handy USB port is excellent for charging devices on the go if you get stuck too.
The MXS battery pack comes in battery capacity types of 10Ah/13Ah/15Ah/17.5Ah and is compatible with electric bike motors ranging up to 1000W in power.
Its downtube design has a charging indicator light to show when the battery charge is low and comes with a 42V charger included which takes around 5 hours to charge to 100%.
This battery can last ebike riders up to 5 years thanks to its BMS system which prevents any damage from happing to your batter through overheating or charging for too long.
You can charge your phone from the continuous power on the battery via its USB charging port and there is a safety lock included with two keys. A one-year warranty comes with the battery pack for buyers protection.
Overall, this battery pack from MXS is great for ambitious riders who want a larger ebike battery capacity to ride with and its lifespan makes it worth the investment.
This battery pack paired with a Bafang motor would make an ideal bike for versatile riding on both long-distance adventures and short.
In conclusion, our favourite e-bike battery pack is the Bafang BBS01B 36V 250W Mid Drive Electric Bike due to all the extras it includes and the excellent BMS system which helps preserve its overall lifespan.
As a second option, we would also suggest checking out the QMYYCL 48V-17.5Ah Li-Ion E-Bike Battery Pack due to its quick charging time and high capacity giving an incredible range for the city ebikes.
Finding the right e-bike battery pack for your electric bike is a little overwhelming, figuring out how much range you can get from these batteries and matching them to the motor systems of your bike is very important.
In our guide below we will cover more about e-bike batteries and how to buy the right one for you, as well as how to look after the battery and troubleshoot it in case of any future issues.
Long ago, e-bike batteries used to be made of lead-acid, but since the motor system and ebike batteries have improved, they are mostly made of lithium-ion or lithium-polymer instead now.
Lead-acid batteries are similar to the batteries used in cars, they were switched out due to their heavyweight and short lifespan.
Lithium-ion batteries are small and can last a long time, lithium polymer batteries are still relatively new but are even more compact than your regular lithium-ion batteries.
The make-up of these batteries always consist of three things; the battery capacity, enclosure and BMS which helps increase its lifespan, we will cover all three parts in greater detail below.
In terms of range, you might be wondering how long your battery will last, however, this can be controlled by numerous different factors such as the power of the battery, to begin with.
In the UK, you will likely have an electric bike with either a 24, 36 or 48V battery power, this will on average produce a range varying between 25 and 70 miles off a single charge.
However, many factors influence how long your ebike battery will last you such as the pedal assist you are using the bike with, how you look after the battery and how often it is used.
Most electric bike batteries will last you around 5 years with good care and frequent use, you can get a feel for your e-bikes battery lifespan by checking its charging cycles before you buy.
Moreover, we have also written an article about the best 3000 watts electric bike conversion kits in 2022.
The battery capacity for electric bikes is typically measured in Wh. On most standard electric bikes you will find they have 400Wh or 500Wh batteries, if you are looking for a lightweight e-bike you might want a smaller capacity battery of around 300Wh which is removable.
If you need a lot of capacity for long-range touring with your electric bike then you might want to consider going for a dual battery system that can even reach up to 1000Wh by carrying two 500Wh batteries.
Apart from deciding the type of battery and its power, you also need to decide where you will put it on the electric mountain bike frame or electric road bikes frame.
You can mount your electric bike battery in three ways; rear rack-mounted, integrated or frame-mounted.
If you want to keep your new electric bike battery in top condition then you need to make sure are doing some electric bike battery basics care.
We have listed our best tips for taking care of all ebike types of batteries below.
It is very common to run into a few battery problems over the time that you have your electric bike, the device might just stop charging or its battery ranges will become more limited over time.
We have covered the basic problems common battery systems have and their solutions below, but before we get into them make sure your e-bike battery pack has some charge first, then we can proceed.
If your e-bike battery is having issues with charging then one of the first places you need to check is the charger itself.
You first want to make sure that they charge you are using for your e-bike battery is correct, these have to match up to your battery, using any old charger will not work and can potentially damage the battery of the bike.
Also check if the indicator lights come on the charge when you plug it in the wall, if not then we know it's the charge which has the problem, not the battery.
To fix this try testing the current with a voltmeter, anything below zero means you need a new bike charger.
The next part to check is the battery itself, make sure that its prongs are nicely lined up and that there are no obvious loose connections that could be stopping the battery from powering up the bike.
If you have left your batter in storage for a while with no charge then this might have caused it to die.
It is also possible that the battery has just reached the end of its lifespan, many only have up to around 1000 charge cycles, so would die after a 5-year lifespan.
If your battery is losing extra range fast or drains too quickly, and both the charger and battery are working fine then it could well be down to the BMS system of the bike.
Replacing the BMS inside of your battery can be done but it should only be attempted by a professional.
What does BMS stand for on e-bike batteries?
The BMS on the battery of your electric bike refers to the battery management system. This is one of the most essential parts of the battery and ensures the top performance of your electric bike.
Its purpose is to stop the battery from overheating or overcharging, keeping its cells healthy and ensuring a consistent level of power output to your bike when in use.
Do assistance levels affect battery usage?
Yes, using your electric bike on a higher PAS level will draw more power from the battery as you are using more power/assistance from the motor on the bike too.
What kind of battery should a high-quality commuter bike have?
For a commuter bike, you need a battery with a fairly generous range yet lightweight if you want to keep it portable. 46V and 36V batteries are great for this purpose and should be mounted in the downtube or integrated into your bike's frame.
How much are battery packs sold for?
This depends, you can buy singular battery packs on your own or as part of a conversion kit. For a single battery pack, you are looking at spending around £300 depending on the quality and capacity, the large the capacity the more expensive the battery will be.
What are conversion kits?
E-bike conversion kits come with all the components a standard e-bike has ready to fit a regular bike to convert it. This will include all the essentials such as the motor, brakes, battery and cables for you to install.
Can I fit a new battery on my electric bike myself?
Yes, electric bike batteries are pretty simple to fit as long as you have all the cables and tools to remove the last one.
Do the motor and battery power have to be matched on an e-bike?
Ideally, your battery has to have enough V and amps to be able to support your e-bikes motor performance and keep it powered.
How do I keep my electric bikes battery in good condition?
Always make sure it is charged regularly, never leave it to die, keep it out of extreme temperatures, never overcharge it.
You can invest in extra tools such as trickle chargers and light alarms to make sure you keep your battery in the best condition.
What is a dual battery system?
A dual battery system means there are two batteries located on the electric bike rather than one, doubling your range, although this does add extra weight to your bike they are a perfect system for long-range e-bikers.
How do I make my battery last longer when riding?
To make your range extended when riding your electric bike you need to make sure you avoid hills, using it on a low assistance mode or none at all and never using the throttle or boost mode as this drains power fast.
Our number one electric bike battery pack is the Bafang BBS01B 36V 250W Mid Drive Electric Bike thanks to its long lifespan and top-notch BMS system which allows your electric bike to have high performance.
We suggested checking out the QMYYCL 48V-17.5Ah Li-Ion E-Bike Battery Pack as it has a quick charging time and high capacity which would be excellent for dependable commuter bikes.