Quickly charges all M12™ batteries. Power up your M12™ Redlithium™ 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 charger's slim profile requires little bench-top room, while the pass-through plug conserves valuable outlet space. Monitor battery charges for all of your M12™ cordless tools with the onboard indicator light. Milwaukee® 48-59-2401 Battery Charger, Use with M12™ Battery, Li-Ion Battery, 1 hr Charging, 1 Battery