Tenergy T439 5-in-1 Intelligent Charger can charge up to 5 packs (3.7V Batteries) at the same time!
Charger will charge most Micro RC Helicopter & Airplane 3.7V 1S Batteries (Hubsan, Syma, UDI, WLToys quadcopter and helicopter batteries)
5 converting cables included in charger for easy charging
Combo pack includes 5 pcs of 3.7V 500mAh 15C Batteries!
Batteries are exact replacement for UDI U818A, U818, U817A, U817 quadcopters, no modification necessary