DEWALT DCB107 charger can charge all DEWALT 12V and 20V MAX Li-Ion battery packs. It charges the battery in 1 hour or less thus minimizing downtime. It has a built in diagnostics system with a 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. In easy-to-open bulk packaging to pass the savings on to you.