MILWAUKEE M18™ 4.0 Ah Battery

REDLINK – overload protection technology of both the tool and the battery for maximum durability; Electronic overcharge protection: no need to remove the battery after the protection has been tried; Overheat protection – allows the battery to operate at the ideal temperature; Constant monitoring of each individual cell to ensure the battery loading and discharging cycle; Up to 50% longer life, 20% more power, and up to 50% more charges;* Compared to other lithium-ion batteries and/or previous Milwaukee technology. Results depend on tension, tool, and application; Welding of the cells integrated into the frame; Cells separated by a rubberized structure to minimize vibrations; Compatible with all tools in the M18™ range