This is the DuraTrax NiMH 8.4V 3000mAh Onyx Stick Battery Pack / with Standard Connector. / / FEATURES: Ideal sport pack for cars, trucks and boats / / INCLUDES: DuraTrax NiMH 8.4V 3000mAh Onyx Stick Battery with Standard / Connector / / REQUIRES: NiMH compatible charger such as the Duratrax Onyx series / / SPECS: Capacity: 3000mAh / Number of Cells in Series: 7 / Rated Voltage: 8.4V / Min. Discharge Voltage: 6.3V / Maximum Recommended Charge Current: 4 amps / Discharge Lead: 14AWG 2.7" (70mm) long wire w/Traxxas connector / Pack Dimensions: 6.1 x 1.9 x 0.9" (154 x 47 x 24mm) / Weight: 15 oz (420 g) / Number of Welds per Connection: 6 spot welds / Cell Size: Sub-C / / jxs 7/23/09