Traxxas 3036 NiMH 5-Cell 6V 1100mAh Receiver Battery (flat pack) Replaces stock AA battery packs in Traxxas nitro vehicles More power and longer run times than stock AA battery packs Rechargeable receiver packs save money in the long run Helps reduce glitches caused by weak AA batteries J Style Connector Rated at 1100 mAh Flat configuration