Traxxas 2990 Battery/Charger Completer Pack Give your Traxxas brushless vehicle the power it craves with two 5000 mAh 3-cell 25C 11.1v LiPo batteries and the powerful EZ-Peak Dual 8-amp charger They will not fit Rustler (2WD,4WD), Bandit, or Stampede(2WD,4WD)-based vehicles; Pack includes two #2872 11.1V 25C 3-cell LiPo batteries which fit most Traxxas brushless vehicles, 1/10 scale or larger (see full description) EZ-Peak Dual charger instantly recognizes all Traxxas iD batteries to automatically program and optimize charger settings Powerful 100-watt output charges all of your Traxxas batteries from 5-8-cell NiMH batteries to 2S and 3S LiPo batteries Charger features an easy-to-use interface with charge progress indicator, audible alerts, and integrated cooling fan