This is the Traxxas iD LiPo Battery Balance Adapter for Cell Voltage Checkers. This works with 2S, 3S, and 4S ID LiPo batteries to connect them to cell voltage checkers for individual cell reading.
Warning: These are not intended for charging.
The Traxxas Balance Lead Adapter connects batteries to the accessory LiPo Cell Voltage Checker (#2968) to check battery charge status and individual cell voltages. View LiPo cell status and overall battery charge in the field without a charger using the Voltage Checker and adapter. The adapter works with 2-cell, 3-cell, and 4-cell LiPo batteries.