This is the 5 cell 6 volt 1200mah Nimh pack for the Revo from Traxxas. FEATURES Futaba J connector w/5" lead INCLUDES One pack REQUIREMENTS Charging before use SPECIFICATIONS 5 cells6 volts1100 mAhLength: 3.4" (86mm)Width: 1.2" (30mm)Height: 0.67" (1