Hart 20v Battery Pinout Diagram !link! File

Often used for low-power communication or balance charging signals. Ground / Return The common negative terminal for the circuit. Key Voltage Measurements

Set your multimeter to DC Volts. Place the probes on the (+) and (-) terminals. A healthy, charged battery should read between 18V and 20.5V. If it reads below 15V, the charger may reject it as "defective." Hart 20v Battery Pinout Diagram

The diagram is well-organized, and the labeling is clear and concise. I've used it to troubleshoot issues with my batteries and tools, and it's saved me a ton of time and frustration. Often used for low-power communication or balance charging