The "better" way to look at the HART 20V pinout is to view it as a communication system rather than just a power source. While the outer pins provide the muscle, the inner pins provide the intelligence.
Delivers the full voltage of the battery pack (nominally 18V, peaking at 20V when fully charged). 2. Negative Terminal (-) Location: The outermost slot on the opposite side. Function: The common ground for the circuit. 3. T-Terminal (Thermistor / Temperature) Location: One of the inner pins. hart 20v battery pinout diagram better
If you are trying to use a HART battery to power a Power Wheels car, a vacuum, or an e-bike, you cannot simply hook up the (+) and (-) pins and expect perfect results. The "better" way to look at the HART