Battery, Power Cell, 3000mAh (NiMH, 7-C flat, 8.4V)Traxxas 3000-series Power Cell NiMH battery packs provide excellent run times and “punch” at an affordable price. Low-resistance cells, flexible, silicone-jacketed 12-gauge wire, heavy-duty welded tabs, and Traxxas' exclusive iD® battery system deliver an easier and more rewarding battery experience for your Traxxas model.