FeiFan 2-in-1 USB Battery Charger for Hubsan X4 Cam Plus H107C+, H107D+ Plus FPV Drone Syma X5C Quadcopter External Charging Spare Parts (without Battery) Charge at the same time: Charge two batteries for husband h107c+/h107d+ How to use: Charging when charge indicator light turn red. Light off when charging completed About charging: Input DC 5.0v, 0.52.5a and sub line is suitable with computer or android/iPhone adapter Safety and certificates: Over charge protection and short circuit protection ,cu and robs certified What is in the box: One piece charger and sub connect line ( battery not lude)