Hart 20v Battery Pinout Diagram ((better))

Insert the red positive probe into the [ + ] terminal slot and the black negative probe into the [ - ] terminal slot.

Provides a resistance signature that authenticates the battery to genuine Hart chargers. Main Power Ground Hart 20v Battery Pinout Diagram

Connects to an internal NTC thermistor. It monitors cell temperature during heavy discharge and high-speed charging to prevent overheating. Identification / Communication Pin (ID / C) Location: Center Insert the red positive probe into the [

: While fully charged at 20V, some Hart tools (like vacuums or drills) use a specific "extra fat" positive pin for high-current applications. Lower-demand tools like fans may only utilize a subset of these pins. Hart 20v Battery Pinout Diagram