Hart 20v Battery Pinout Diagram [HD 2025]

Some Hart batteries have only 4 physical terminals (missing T4). In that case, T2 remains the thermistor, T3 is the ID pin, and T4 is simply absent.

Once, in a cluttered garage smelling of sawdust and ozone, a DIYer named Max stared at a Hart 20V Lithium-Ion battery Hart 20v Battery Pinout Diagram

Internally, the battery contains additional contact points (often labeled C1, C2, C3, and C4 ) used for balanced charging Some Hart batteries have only 4 physical terminals

Hart is a brand of power tools and outdoor equipment owned by Walmart. Their 20V lithium-ion battery platform is designed to provide a reliable and efficient power source for various tools, such as drills, saws, and lawn equipment. T2 remains the thermistor