Provides up to 25% more power vs M12 B2 RedLithium battery packs. Runs up to 25% cooler then other M12 RedLithium battery packs through heavy applications. RedLink overload protection prevents damage. Temperature management system keeps battery in ideal temperature range to provide maximum life. Individual battery cell monitoring optimises run time and ensures long-term durability. Discharge protection prevents cell damage from over-discharge, compared to previous Milwaukee battery technology. Results dependent on voltage, tool and application. Integrated welded frame battery construction with shock-responsive separators prevents pack failure from excessive vibrations or drops. Can be used in extreme temperatures down to -20°C without compromising on run time and battery life. Housing is resistant to oils, solvents and greases. Works with All M12 Tools Works with All M12 Tools