Hart 20v Battery Pinout Diagram Better -

According to technical measurements and user diagrams, the five pins are generally arranged as follows: Voltage (Relative to Negative) Main power output ~18V - 20V (Fully charged) TH (Thermistor) Temperature monitoring to prevent overheating ID Identifies the battery type to the tool or charger C (Control) Control signal for charging/protection (-) Negative Common ground / Return path Advanced Under-Voltage Detection

The standard external connector on the battery pack includes the following primary pins: Positive (+) hart 20v battery pinout diagram better