Combo: T453 charger for 3.7V Lithium RC battery + 6pcs 3.7V 630mAh Lipo Batteries (34131) for Syma X9 Flycar Tenergy T453 6-in-1 Intelligent Charger can charge up to 6 RC batteries (3.7V) at the same time! Charger will charge most Micro RC Helicopter & Airplane 3.7V 1S Batteries (Hubsan, Syma, UDI, WLToys quadcopter and helicopter batteries) 6 converting cables included in charger for easy charging. 4 x Losi to JST cables and 2 x JST to Losi cables Combo pack includes 6 pcs of 3.7V 630mAh Batteries! Batteries are exact replacement for Syma X9 Fly Car. No modification needed!