Description: 25.2V 8700mah 18500 E-bike Lithium-ion Battery Product No.: HG28AE1771 Cell model:  18500 / 2900mah / 3.6V Battery Specification: 7S4P / 8700mAh / 25.2V Nominal voltage: 25.2V Nominal capacity:  8700mAh Charging voltage:  29.4V Charging current: 1740mA Discharge current: 1740mA Maximum discharge current: 8.7A Discharge cut-off voltage: 19.25V   Internal resistance : ≤ 300m Ω Delivery voltage: ≥ 25.2V Battery weight: 2.5kg Product size: 420 * 180 * 45mm (max) Operating temperature: Charging temperature: 0-45°C; Discharge temperature: -20-60°C Storage temperature environment: 1 month - 20-60 ° C;  3 months - 20-45 ° C;  12 months - 20-25 ° C    Relative humidity: 65 ± 20% Battery structure: Lithium Battery protection: short circuit protection, overcharge protection, over discharge protection, over current protection, etc         Application field:E-bike