Traxxas 2976 AC to DC Converter, 40 Watt for reduced price $20.84 (52% off) @amazon
Near to its lowest price of $20.61 @amazon as per camel*.
Designed specifically for use with the Traxxas peak detecting DC fast chargers
AC-to-DC Adapter lets you plug your charger into a standard AC outlet at home or the track
Adapter provides 40 watts of charging power for the most powerful 4 amp DC fast chargers