Wwman 2pcs 3.7V 350mah Batteries And 1to3 Battery Charger for UDI U818A WiFi FPV U845A U945 WiFi Rc Quadcopter Drone Spare Parts &hellip; For Udi U818A WiFi FPV RC Drone. For Udi U845A U945 WiFi RC drone. Can Charging 3 battery at one time, Over charge protection, Short circuit protection. It will give more PUNCH and ROBUST performance due to its higher current output and power. Package List: 2pcs*3.7v 350mah lipo batteries + 1 to 3 charger + instructions.