High Performance Power Packs for 250W to 1500W Motors
High Performance Power Packs for 250W to 1500W Motors
UNITPACKPOWER Hailong & Polly Lithium E-Bike Battery Series – High Performance Power Packs for 250W to 1500W Motors
Supercharge your e-bike conversion or replacement project with the UNITPACKPOWER Hailong Polly Lithium Battery Series. Engineered by one of the most trusted names in the electric bicycle industry, these premium frame-mounted power packs are built to handle high-demand power demands. Fully compatible with Bafang, Tongsheng, and universal hub wheel motors, this collection is the ultimate match for any high-torque setup.
Whether you are configuring a 36V city commuter or building a high-power 48V or 52V off-road machine, UNITPACKPOWER delivers sustained current delivery and extreme thermal stability across all seasonal riding conditions.
🚀 Key High-Performance Features
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Premium Brand-Name Cell Options: Choose from high-density, long-life TSL 21700 cells or industry-standard G2500, G3000, and Panasonic 18650 cells for maximum capacity and minimal voltage sag.
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Robust Custom BMS System: Outfitted with an integrated Battery Management System delivering a stable 20A for 36V architectures and a heavy-duty 30A for 48V/52V builds, protecting your battery pack from unexpected overloads.
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Massive Motor Drive Compatibility: Ideal for standard mid-drive conversion kits and hub wheels. Provides smooth, unthrottled power for 250W, 350W, 500W, 750W, 1000W, and 1500W systems, including the popular Bafang BBS01 and BBS02.
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Exceptional Lifecycle Longevity: Premium internal cell architecture provides a deep cycle lifespan of 800 to 1,000 charges before experiencing any significant capacity decline.
Every UNITPACKPOWER battery features smart hardware safety barriers to give you complete peace of mind at home and on the road:
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CE Certified Security: Built under strict international quality guidelines without any chemicals of high concern (
High-concerned chemical: None). -
All-Weather Performance: Engineered to safely handle a broad climate spectrum with an operational temperature window of -20°C to 65°C.
L-G/Tes-la/Sams-g Cells Ebike Battery Hailong Polly 36V 48V 52V 14.4Ah 13Ah 15Ah 20Ah 24Ah 25Ah Downtube 18650 21700 Electric Bike Batteria for 350W 500W 750W 1000W 1500W Motor
4. UnitPackPower batteries are insured by International Insurance; rest assured when buying.
Note: Oversea warehouse battery discharge connector is sold with a default connector; at the same time, the battery will also come with an extra repair connector cable for your replacement to your motor
Nominal Voltage: 48V
Rated Capacity: 28ah
Battery Cell: 4800mAh
Max Constant Discharge Current: 45A (BMS)
Peak Discharge Current:135A
Charger: 54.6V 4A
Battery Dimensions: 39.4*8.1*36.4*23.2cm
Nominal Voltage: 52V
Rated Capacity: 28ah
Battery Cell: 4800mAh
Max Constant Discharge Current: 45A (BMS)
Peak Discharge Current:135A
Charger: 58.8V 4A
Battery Dimensions: 39.4*8.1*36.4*23.2cm
Product: Batteries 12-month warranty
1. We offer 1 year warranty on all electric bike batteries.
2. If any battery has quality problems within one month, we can refund or replace it with a new one after you provide proof.
3. A return label can be made for you within 3 months, and the product can be returned to our overseas repair point for free for repair. After 3 months, we can send the BMS or battery cells to you for repair, or you can send them back to the local warehouse or us for repair.
4. All our electric bicycle batteries use high-quality cells and BMS and are manufactured by skilled technicians
The workmanship is exquisite and will be 100% rigorously tested multiple times before shipment. Long battery life
Condition
Batteries that have been damaged by water, man-made damage, overuse of power, overvoltage, incorrect operation, or exceeding the warranty period are not covered by the warranty.
Whenever there are any issues (including the above issues or over-warranty), you can also contact us with relevant details, and we will help or provide suggestions
Details
This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.
Shipping & Returns
We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.
We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.
