Switch to the V18 lithium-ion for up to 50% more runtime than NiCd batteries. Lighter than NiCd batteries, the V18 lithium-ion battery keeps you working longer, with no memory effect. Milwaukees unique REDLITHIUM -ion technology helps ensure that optimal battery life and runtime are achieved, while protecting the battery and tool during the toughest jobsite applications. This 3.0 amp-hour slide-style battery offers consistent fade-free power until the end of discharge, even in cold weather conditions. Pulses let you know when a quick recharge is needed with Milwaukee's universal charger. Not for use with models: 1108, 3108, 5364 and 6516.