"R&D, this is Sarah," a voice answered.
: Located on the right side (when looking at the battery face-on). This provides the full 20V (18.5V nominal) power output.
The "better" news is that HART is compliant with the "One+ 20V" standard. In fact, many hobbyists have discovered that the . They likely share the same OEM manufacturer (TTI). Therefore, a better understanding of the HART pinout means you also understand how to repair Porter-Cable and some older Ridgid batteries. hart 20v battery pinout diagram better
The uses a 5-pin proprietary interface designed for power delivery, temperature monitoring, and internal cell balancing. While the main power flows through the outer terminals, the inner pins are critical for safe operation and communication with the charger. HART 20V Battery Pinout Overview
He opened the official company schematic on his second monitor. It showed the standard layout: a positive terminal, a negative terminal, and a third "ID" pin that communicated with the tool to ensure it wasn't being overloaded. "R&D, this is Sarah," a voice answered
. These correspond to individual cells in the 5S (5 cells in series) lithium-ion configuration: : ~20V (Full Pack Voltage) Critical Safety & Usage Notes Low-Voltage Protection
: Because the battery lacks built-in low-voltage shutoff, using it in DIY projects without a protection circuit can lead to over-discharge and permanent damage. Resetting "Dead" Batteries The "better" news is that HART is compliant
HART batteries have a , but they don't output low-voltage cutoff on the terminals – the tool handles that. So if you use a HART battery for a DIY project (e.g., LED lights, fan), add your own low-voltage alarm or cutoff to avoid killing the cells.