Battery Cell Composition : Lithium Ion Recommended Uses For Product : Cellular Phone Voltage : 3.7 Volts Item Dimensions LxWxH: 11.6 x 0.8 x 9.4 Centimeters Item Weight: 32 Grams New high quality Li-Ion battery Our battery is sent out with little or no power, so please charge it for about 4 - 6 hours before using Stay connected with your family and friends by getting extra battery power today1020 mAh Lithium Ion Battery Compatible with: Most Nokia phones