This is the Traxxas Completer Pack that includes the 200W EZ-Peak Dual Battery Charger with iD Auto Battery Identification, and (2) Power Cell 14.8V 6700mAh 25C 4S LiPo Batteries. 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.

Features:Battery Charger:
200 Watt 26+ amp output
Recognizes iD-equipped batteries to optimize charger settings
MAXX Charge feature gets you back in the action quickly
Optimized for faster LiPo balance charging
One button LiPo storage charge protects your battery investment
Advanced high-resolution peak detection delivers a perfect charge
Easy to use interface with dual LED charge progress indicators
Supports Traxxas EZ-Peak Live Application
Audible alerts
Dual high-flow cooling fans
Advanced Mode for full manual control through EZ-Peak Live App
Legacy support for all Traxxas High-Current Connectors
Integrated dual balance ports for conventional LiPo batteries
Built-in 2-amp USB charger output port
Charges Dual 5-8-cell NiMH batteries
Charges Dual 2s, 3s, and 4s LiPo Batteries Batteries:
Traxxas High-Current Connectors
Integrated LiPo Balance