DEWALT DCB101 12-Volt MAX and 20-Volt MAX Li-Ion Battery Charger
The DEWALT DCB101 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.  It’s backed by DEWALT’s 3-year limited warranty.