Battery type: Li-ion Standard voltage: 14.8V Standard Capacity: 500mAh to 50Ah Application:Led lights, Backup power, ... Details, If you have any problems, please contact us soon. Battery Type: Li-ion BatteryStandard Voltage: 14.8 VStandard Capacity: 500 ... temperature: -20 °C to 85 °C Storage humidity: ≤ 75% 14.8V Lithium ion polymer battery pack