The Makita 7.2V-10.8V Lithium-Ion Battery Charger, part # DC10WA charges Makita 7.2V (part # BL7010) and 10.8V (part # BL1013) Lithium-Ion Batteries. It charges 7.2V Lithium-Ion batteries in 30 minutes and 10.8V Lithium-Ion batteries in 50 minutes. The 10.8V Makita Lithium-Ion battery charges in under an hour; only 50 minutes. The charger earned the ENERGY STAR(r) label for meeting the strict energy-efficient guidelines set by the US Environmental Protection Agency (EPA) and US Department of Energy (DOE). The Makita Lithium-Ion system produces 430% total lifetime work with 2.5x more cycles when compared to traditional Ni-Cd batteries.