HPI Racing 101937 Plazma NiMH 6.0V 4300mAh 25.8Wh FEATURES: Sized to fit the HPI Baja series 3+2 configuration, 3 cells on bottom with two on top covered with shrink wrap INCLUDES: Plazma NiMH 6.0V 4300mAh Hump Receiver Battery Pack with Tamiya and Futaba Plug REQUIRES: NiMH compatible charger such as the Duratrax Onyx series