This is a Venom 6V 5000mah NiMH Hump Receiver Pack for the HPI Baja Series vehicles. Are you looking for more run time from your HPI Baja? Venom's new HPI Baja 6v 5-Cell NiMH receiver packs give you up to 60% more capacity over the stock receiver pack. Specifications: Battery Type: Nickel Metal Hydride (NiMH) Dimensions (LxWxH): 2.67x1.6x1.8" (68x43x46mm) Weight: 12.8 oz (0.36kg) Plug Type: Tamiya Capacity: 5000mAh Cell Configuration: 5-Cell Hump Pack Voltage: 6V Amp Rating: 5 amps