Type:3.7V Lithium Polymer rechargeable battery Model:103040 Capacity:1200mAh Charge rate:1C Discharge rate:0.2C Weight:22g Storage temp:-20°C to 50°C Storage humidity:65% RH Application:High drain devices,low drain devices,communication,office,portable device,MP3,Bluetooth,GPS,Speaker etc All the battery specifications can be customzied according to your requirements.