This is a genuine Dewalt OEM DCB107 12V/20V battery charger. The Dewalt DCB107 charger can charge all DEWALT 12V and 20V MAX Li-Ion battery packs (sold separately). It charges the battery in 1 hour or less, thus minimizing downtime. It has a built-in diagnostics system with an LED indicator that communicates battery charge status: charged, charging, power line problem, replace pack, and battery too hot or too cold. This battery charger requires 120V 60hz input power and has the standard 2-prong North American plug.