One Hour AC Charger for 12 to 18 Volt Batteries The one hour NiCad power plus 120 volt ac charger will recharge 12v, 14.4v and 18v power plus batteries. Recharges both nickel cadmium and nickel metal hydride batteries. Charges batteries in one hour. Features: One Hour Charger 120 Volt Since its founding in 1924, Milwaukee has focused on a single vision: To produce the best heavy-duty electric power tools and accessories available to the professional user. Today, the Milwaukee name stands for the highest quality, durable and reliable professional tools money can buy.