The 2976 model is a reliable power-supply adapter product that is manufactured by the Traxxas brand. It has been designed for the 2-4-amp, AC-to-DC fast chargers, and it is meant to be compatible with vehicles such as the buggy, the short-course truck, and motorcycle types. It features a variety of compatible scales, such as 1:16, 1:10, 1:15, 1:12, 1:14, 1:18, 1:6, 1:4, 1:8, and 1:5.