O-star Upgrade 600mAh 3.7V Battery(5PCS) for UDI U818A RC Quadcopter with Extra 1 to 5 Charge Cable JST Plug 600mAh 3.7V Battery for UDI U818A RC Quadcopter UDI U818A RC Quadcopter 1 to 5 battery Charge Cable JST Plug Can charge 5 batteries at one time with this charge cable