MaxAmps announces the new internal plug option for the Race Edition 6500 7.4v 150c and the 5450 7.4v 120C LiPo packs. Unlike other bullet style connectors, there is no chance of reversing polarity since both the balancer and main Traxxas HC plugs are keyed and they are specifically designed for vehicles with longer battery trays. The balancer tap is also built into the pack and offers a very clean look, both inside and outside of your vehicle.