Milwaukee M18B4 4Ah 18V Rechargeable Power Tool Battery, For Use With Milwaukee Power Tools

The Milwaukee battery is the most sought after product for powering poer tools in an efficient way. The batteries have a long life and are highly recommended to be used with Milwaukee's power tools as it delivers up to 2x runtime and 20 % of more power. It has a durable metal frame and has shock responsive separators which prevent battery from loosing its place while operation.

Digital overload protection to prevent users from damaging the power tool in extreme conditions
Has individual cell monitoring to ensure complete utilization of the charge in the battery