Tera USB Cable Charger with 240mAh 3.7V Li-po Battery for Hubsan X4 H107L RC Quadcopter Suitable for Hubsan H107L Quadcopter Battery capacity:3.7V 240mAh 15C battery Battery equipped with protection module. Dimension of charger: approx. 24.8 inches Dimension of battery: approx. 1.2x0.8x0.3 inches