This is the Associated Reedy Wolfpack NiMH 7.2V 2400mAh Stick Battery Pack with Traxxas Connector. FEATURES: Sport pack for cars, trucks, boats and other items that require a stick pack Nickel Metal Hydride (NiMH) alternative to NiCd packs INCLUDES: Wolfpack NiMH 7.2V 2400mAh Stick Battery Pack with Traxxas Connector REQUIRES: NiMH capable charger SPECS: Capacity: 2400mAh Number of Cells in Series: 6 Rated Voltage: 7.2V Minimum Discharge Voltage: 5.4V Discharge Lead: 14AWG 4" (100mm) long wire with Traxxas connector Pack Dimensions: 5.3" x 1.75" x 0.875" (135mm x 44mm x 22mm) Cell size: Sub-C