Basic parameters ：Hailong electric bicycle rechargeable battery, 48 V 11 Ah (Class A battery), maximum constant discharge current: 40 A. Length 14.41 * width 3.78 * height 4.59 inches, simple modification can provide powerful power for electric bicycles, motorcycles, mountain bikes and scooters.

BMS intelligent protection：built-in 30A battery management system (BMS), which can provide battery overvoltage protection, overcharge protection and reverse charge protection, charging times more than 1100 times, capacity retention rate ≥80% after 800 cycles, service life up to 5 years.

Excellent performance： It has functions such as USB interface, LED power indicator, power switch, safety lock, outdoor activity anti-theft and power balance. The ultra-low self-discharge rate of 3% means that they can maintain power for a long time.

Perfect compatibility： Our batteries are suitable for most motor kits (compatible with Bafang Voilamart AW and other motor kits). It is the best choice for modifying electric mountain bikes, commuter electric bicycles, hybrid bicycles, and fat tire bicycles. Strong power and long battery life will ensure your long-term travel.

After-sales service：We value our customers' experience. If you have any questions about the battery, please contact us by email and we will help you solve the problem quickly and effectively.