Battery type: Li-ion battery; Capacity: 50mAh to 50Ah; Voltage: 11.1V Application:Led lights, Backup power, clothing, Laptop ... , MID, ebike, wheel chair, power tools, toys...Below are the Details, If you have any problems, please contact us soon. Battery ... Type: Li-ion BatteryStandard Voltage: 11.1 VStandard ... humidity: ≤ 75% 11.1V Li ion Battery Pack