GFORCE 25C 2200MAH 2S 7.4V LiPO RC 1/16 Slash E-Revo Traxxas Summit TRA2820 Direct replacement for the TRA2820 Capacity: 2200mAh 2S - 7.4V - 25C Discharge Rate 88mm x 35mm x 20mm (3.5in X 1.4in X 0.8in) Would fit all 1/16 brushless VXL models