(2 Pack) Rechargable 3.7V 380mAh Lipo Battery for Hubson X4 H107 MJX F47 FB48 DFD F180 RC Quadcopter Hubsan 107 Drone Battery 2 Pack) Rechargable 3.7V 380mAh Lipo Battery for Hubson X4 H107 MJX F47 FB48 DFD F180 RC Quadcopter Hubsan 107 Drone Battery