MaxAmps 9000XL 11.1v Battery Pair for Traxxas X-MAXX Two Lipo 9000mah - 11.1v packs, 6S 22.2v Power when run as a pair 5C fast charge capable, 36 minutes average run time(9000mah capacity) True 100C rating, Lifetime warranty, Built today with factory fresh cells Built with genuine 12awg Deans Ultra wire, JST-XH balancing tap 100% waterproof, 162mm x 45mm x 38mm, 654g (per unit)