– Powers from 2 batteries (up to 16.8v) – As used in Traxxas models, E-Maxx, E-Revo, Summit etc. The EVX-2 delivers an incredible 16-plus volts, from two battery packs, making 16.8-volt, twin-motor setups more powerful than ever! Designed by Traxxas, the EVX-2 features a completely waterproof design, three drive profiles, Thermal Shutdown Protection, and gold-plated patented Traxxas High-Current Connectors.