Upgrade Hailong EBike Battery 52V 48V 20Ah 36V 21Ah 21700 Battery Pack for BBS02 BBS01 BBSHD 1500W 1000W 750W 500W 350W Motor
Upgrade Hailong EBike Battery 52V 48V 20Ah 36V 21Ah 21700 Battery Pack for BBS02 BBS01 BBSHD 1500W 1000W 750W 500W 350W Motor
Why Chooce UPP(UnitPackPower) Official Store?
1) Top selling brand: 10 years ebike battery designer/manufacturer/seller, years effort, UPP battery are well knowed in US/EU/Canada market, you can always trust , here is UPP official store
2) Factory direct store: All of our batteries is new from factory direct or within 3 months oversea warehouse stock , from 24V 36V 48V 52V 60V 72V all kind of battery you can see on our store, also support voltage/capacity/BMS/Size customized battery
3) UPP battery quality control: We only source highquality A-grade cells fromofficial sources, never use fake or cheap cell pack sell at lowest price to attract buyers ,No Fake , No Cheap , No trap.
Genuine A level cells√
Multi-protection BMS√
CE Charger with Fuse√
Battery certification(CE UL ROHS Report)√
shipping safety report(MSDS UN38.3)√
4)UPP aftersales service:18 Month warranty, Germany/Belgium/UK/Poland/USA/Canada/Austrialia aftersales service, free return/repairing/replacement/video technical support













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AI overview of item
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High-capacity 21700 battery pack for e-bikes Equipped with LG 5200mAh 5800mAh 21700 cells, this UNITPACKPOWER battery offers reliable power for long rides. Available in 36V, 48V, 52V with capacities up to 21Ah, it supports high-performance e-bikes.
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Compatible with multiple BBS motors Designed to fit BBS02, BBS01, BBSHD motors, this battery supports 250W to 1500W motor systems. Ideal for upgrading performance on high-power e-bikes with seamless integration.
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Advanced BMS protection system Features 20A, 30A, or 40A BMS for enhanced safety and stability. The built-in protection prevents overcharging, over-discharging, and short circuits for reliable, long-term use.
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Long cycle life for durable performance Engineered for durability with a cycle life of ≥80% capacity after 1000 cycles. This ensures consistent power delivery and extended service life, even with frequent charging and discharging.
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Compact downtube design for sleek integration The downtube battery design fits seamlessly into the bike frame, improving balance and reducing drag. It maintains a clean look while offering high energy density in a compact form.
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CE and RoHS certified for safety and compliance Certified with CE and RoHS, this battery meets international safety and environmental standards. It ensures safe operation and compliance with regulations in major markets.
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Lightweight and easy to ship Weighing only 7.000 kg and measuring 48 x 22 x 18 cm, the battery is lightweight and compact. Ships from China Mainland and is sold as 1 piece per pack for straightforward ordering.