Includes: Charger, iD® Balance, USB (2-cell 7.4 volt LiPo with iD® connector only) Use the 2-amp USB-A fast charger with your Power Cell 2s 2821 LiPo battery for fast and easy charging almost anywhere. Traxxas iD® technology delivers the perfect charge with no guesswork. Just plug the iD battery in and the charger does the rest. When the LED light turns green, the battery is charged. Part #: 9767 Compatibility: TRX-4M Defender TRX-4M Ford Bronco
