The Battery/Charger Completer Pack (#2997) is the perfect complement to your 8s equipped X-Maxx. The pack includes two 4-cell 6700mAh iD LiPo battery packs for 50+mph tire-scorching 30+volt power. Traxxas iD batteries are the easiest and safest LiPo charging solution when used with our exclusive iD chargers. You just plug in your iD battery and press start. The iD charger handles all the settings and quickly gives you an optimized charge every time. The new 4s capable EZ-Peak Live Dual multi chemistry charger comes equipped with built-in Bluetooth to work with the new EZ-Peak Live™ app for iOS and Android. The app gives you detailed information and advanced operation through a high-definition color interface. EZ-Peak Live Dual is the most powerful, versatile, and technologically advanced charger in the popular EZ-Peak iD lineup.

Traxxas takes battery power for your X-Maxx to the next level with new 4-cell LiPo battery. The 6700mAh capacity and 50C burst discharge rate deliver the power, performance, and runtime worthy of the X-Maxx. Checking in at over 30-volts in 8s configuration, Traxxas 4-cell LiPos will stand X-Maxx on its wheelie bar and have it catching massive air as fast as you can grab the throttle. Built using the same sturdy construction methods as the Traxxas 2-cell and 3-cell batteries.