This Milwaukee charger’s dual-function design offers increased utility (2510-20). Whether you’re in a work truck or on the work site this charger can do the job. The M12 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 M12 REDLITHIUM and M12 Lithium-Ion batteries. Get the status of your battery with the charger’s onboard indicator light.