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The HJMAX 52V Electric Bicycle Replacement Battery Pack is a high-quality, reliable option for anyone looking to upgrade their electric bicycle or scooter. With a 52V 12/14Ah capacity, built-in BMS board, and included 58.8V 2A charger, this battery pack is designed for 200W-1000W electric scooter motors. Let’s take a closer look at the features, specifications, and applications of this battery pack, so you can decide if it’s the right fit for your needs.


The HJMAX 52V Electric Bicycle Replacement Battery Pack uses a (14S3P) combination method, with 14 series and 3 parallel connections. It has a capacity of 12000mAh/14000mAh (12Ah/14Ah) and uses 18650 lithium battery cells. The standard voltage is 52V, and it has a discharge cutoff voltage of 42+/- 1V. The battery is capable of a rated discharge current of 30A, with an instantaneous maximum discharge current of 50A and a maximum continuous discharge current of 30A. The size of the battery pack is a compact 255*65*68mm, and it weighs about 2 kg. The color of the PVC casing is blue, and it comes with a T Connector.


The HJMAX 52V Electric Bicycle Replacement Battery Pack is suitable for a wide range of applications, including electric bicycles, airplane models, electric tools, battery DIY projects, golf carts, sightseeing buses, electric motorcycles, and electric wheelchairs. If you need a battery pack for any of these uses, the HJMAX 52V Electric Bicycle Replacement Battery Pack could be a good fit.

Included Accessories

When you purchase the HJMAX 52V Electric Bicycle Replacement Battery Pack, you’ll receive the 52V Ebike Battery and a 58.8V 2A charger. These accessories are essential for getting your battery pack up and running, and the included charger ensures that you can keep your battery fully charged for all your electric transportation needs.

Product Parameter

The 52V 12AH/14AH lithium-ion battery in this pack is compact, with a size of only 255*65*68mm. It is suitable for motors in the range of 200W-1000W, making it versatile for a wide range of electric bicycles and scooters. The battery has a max constant discharge current of 30A and a service life of more than 1000 cycles. With a 58.8V 2A Fast charger, you can quickly and efficiently recharge your battery for extended use.

Built-In BMS Protective Plate

The HJMAX 52V Electric Bicycle Replacement Battery Pack is equipped with a BMS protective plate, which contributes to the battery’s long service life of 3-5 years. This protective plate guards against overcharging and excessive discharge, helping to maintain over 80% capacity after 800 cycles. With this BMS technology, you can trust that your battery will perform reliably for years to come.

Scope of Application

Not only is the HJMAX 52V Electric Bicycle Replacement Battery Pack suitable for electric scooters and ebikes, but it’s also compatible with electric motorcycles, electric tricycles, and even solar panels. If you’re involved in refitting ebikes or other electric vehicles, this battery pack offers the versatility and reliability you need.

High Quality and Certification

HJMAX takes quality seriously, and their products comply with IS09001 system standards. With CE, RoHS, UL, UN38.3, MSDS, and other certifications, you can trust that this battery pack has met stringent quality and safety criteria. When you choose the HJMAX 52V Electric Bicycle Replacement Battery Pack, you’re getting a high-quality product that’s been thoroughly tested and certified for your peace of mind.

Additional Considerations

It’s important to note that the battery should not be directly fixed to the bike, as it can easily suffer from collision or extrusion, which could shorten its life. HJMAX recommends placing the battery in a bag or a case for protection. Additionally, if the motor power you need exceeds the standard parameters, HJMAX offers customization options to meet your specific requirements.

Overall, the HJMAX 52V Electric Bicycle Replacement Battery Pack offers a compelling combination of features, reliability, and versatility. Whether you’re upgrading an existing electric vehicle or working on a custom project, this battery pack has the capacity, performance, and built-in protections to meet your needs. With its compact size, high-quality construction, and included accessories, it’s a solid choice for anyone in need of a reliable electric bicycle battery pack.

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