Battery type: Li-ion Standard voltage: 11.1V Standard Capacity: 500mAh to 50Ah Application:Led lights, Backup power, clothing, Laptop, MID, ebike, wheel chair, ... have any problems, please contact us soon. Battery Type: Li-ion BatteryStandard Voltage: 11.1 VStandard Capacity: 500 mAh to 50 AhMaximum ... Discharge temperature: -20 °C to 85 °C Storage humidity: ≤ 75% 11.1V Lithium ion polymer battery pack