not less than 2000 cycle lifes 99.99% without complaint easy to instal to all bikes UN38.3, MSDC,ROHS,CE Specifications:1. Cell Type: LiFePO4 polymer2. Norminal Voltage: 24V3. Over-discharge Voltage: 19.2V4. Over-charge Voltage: 29.2V5. Capacity: ≥10AH6. BMS Type: Resistor Balancing7. BMS Protection: short-circuit, over-discharging, over-charging, over-current, over temperature8. Constant ...