Get your Venom 8.4V 4200mAh NiMH Hump Battery with Venom Universal Plug System. Specifically designed to complement the high power capability of Traxxas’ Velineon Brushless Power System™, Venom’s new 8.4v 7-Cell battery packs will deliver increased speed to the new Traxxas’ vehicles at an economical price. The New Venom Universal Plug System fits Traxxas, Deans, EC3 and Tamiya plugs, includes heavy gauge 12AWG silicone coated wire, and has a JST HX 2.5 balance plug for performance and convenience.