Specifications:1. Model: X4-0012. Battery Capacity: 720mAh3. Battery Voltage: 3.7V4. Cells: 2cells5. Continuous Discharge Rate: 25CCompatible with: syma X5C X5SW X5SC CX-30/W JJRC-H5C V943 4CH 2.4GHz 6 Axis Gyro RC Quadcopterpackage include:1x 3.7V 720mAh Li-Po Battery for syma x5c x5sw