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. NOTE: Do not attempt
to use the #2938X adapter for charging or any purpose other than
adapting Traxxas iD batteries to accessory cell voltage checkers.