Battery type: Li-ion Standard voltage: 11.1V Standard Capacity: 500mAh to 50Ah 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 ... 85 °C Storage humidity: ≤ 75% 11.1V Lithium ion polymer battery pack