This is a Traxxas EZ-Peak Plus 4S “Completer Pack” Multi-Chemistry Battery Charger that includes One Power Cell 4S Battery. The pack includes one 4-cell 6700mAh iD LiPo battery. Traxxas iD batteries are the easiest and safest LiPo charging solution when used with Traxxas 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.
Features:

• Charger Features:
• 75-Watt 8-amp high output
• Easy to use interface with charge progress indicator and audible alerts
• Automatically recognizes Traxxas iD batteries for optimal charger settings
• Optimized for faster LiPo balance charging
• One-button LiPo storage charge protects your battery investment
• Advanced high-resolution peak detection delivers a perfect charge
• Built-in cooling fan
• Advanced Mode for full manual control of charger settings
• Built-in balance port for conventional LiPo batteries
• Charges 5-8-cell NiMH Traxxas iD Batteries
• Charges 2S, 3S, and 4S LiPoTraxxas iD Batteries
• Battery Features:
• Traxxas High-Current Connectors
• Integrated LiPo Balance Charging Wires
• Semi-Rigid Construction for efficient packaging
• Oversized Discharge Tabs for minimum resistance
• Hard-wired 12-gauge Maxx Cable soldered to cells
• Center Wire Exit for guaranteed proper fitment

Charger Specifications:AC Input:100-240V, 50-60Hz, 1.2ACharge Current Range:Up to 8ADischarge Current Range:500mACurrent Drain for Balance Ports:500mANiMH Battery Cell Count:5-8 CellsLiPo Cell Count:2-4 CellsNet Weight:365gDimensions:121 x 161 x 54 mmIncludes:

• (1) TRA2981 EZ-Peak Plus 4S Multi-Chemistry Battery Charger
• (1) TRA2890X 6700mAh 14.8V 4-cell 25C LiPo battery