: This terminal tells the tool exactly what kind of pack is attached. It helps the charger decide how aggressively to pump in energy without damaging the cells. The Overseer (C - Control)
[B+ (T1)] ----[Cell 5+] | [Cell Group] | [B- (T5)] ----[Cell 1-] ----+ | [T3 (ID)] ------------------+ (resistor to B-) | [T2 (Thermistor)] -----[NTC]----+ | [B-] Hart 20v Battery Pinout Diagram
: While the pinout is physically identical to Bauer 20V (Harbor Freight), they are not always electronically compatible without an adapter due to the internal ID resistor differences. : This terminal tells the tool exactly what