This charger's dual-function design offers increased utility. Whether you're in a work truck or on the work site, this charger Can do the job. The M18™Lithium-Ion AC/DC Wall and Vehicle Charger combines the functionality of a wall charger and a vehicle charger into a single unit for greater convenience and economy. The charger communicates directly with the battery pack to monitor cell voltage, temperature and charge status to quickly charge all of your M18™REDLITHIUM™and M18™Lithium-Ion batteries. Get the status of your battery with the charger's onboard indicator light. Milwaukee®AC Wall and DC Vehicle Charger, AC/DC, Bare Tool, Series: M18™, For Use With: M12™REDLITHIUM™and M12™Lithium-Ion Battery, Lithium-Ion Battery, 3 Ah Battery, 30 min Charging, 1 Battery, 120 VAC/12 VDC Input, 18 VDC Output, Red/Black