Quickly charges all M12 batteries. Power up your M12 RED LITHIUM and M12 Lithium-Ion batteries in less than an hour with the M12 Lithium-Ion Charger. It communicates directly with the battery pack to manage charges and features an easy-to-load design. The chargers slim profile requires little bench-top room. Monitor battery charges for all of your M12 cordless tools with the onboard indicator light.