This is the DuraTrax NiMH 7.2V 2000mAh Onyx Stick Battery Pack with Standard Connector. FEATURES: Ideal sport pack for cars, trucks and boats INCLUDES: DuraTrax NiMH 7.2V 2000mAh Onyx Battery with Standard Connector REQUIRES: NiMH compatible charger such as the Duratrax Onyx series SPECS: Capacity: 2000mAh Number of Cells in Series: 6 Rated Voltage: 7.2V Min. Discharge Voltage: 5.4V Maximum Recommended Charge Current: 4 amps Discharge Lead: 14AWG 2.7" (70mm) long wire w/Standard connector Pack Dimensions: 5.2 x 1.9 x 0.9" (131 x 47 x 24mm) Weight: 11 oz (323 g) Number of Welds per Connection: 6 spot welds Cell Size: Sub-C jxs 7/23/09 ir/jxs