M12B6 Delivers up to 3x more run time, up to 20% more power and up to 2x more battery life compared with other Lithium-Ion technologies and/or with previous MILWAUKEE® battery technology (Results depend on tool and application) REDLITHIUM™ protection with REDLINK™ digital overload protection to prevent users from damaging their cordless power tool investment in abusive situations Individual cell monitoring ensures optimal charge and discharge for maximum life Integrated welded frame battery construction with shock responsive separators preventing pack failure from excessive vibrations or drops Can be used in extreme temperatures down to -20 °C without compromising on runtime and battery life Discharge protection prevents cell damage from over-discharge C12C Temperature protection electronics optimises the charger rate in extreme temperatures to extend battery life Encapsulated circuit board protects the electronics from dust, moisture and impact Progressive charge indication: battery LED's light up incrementally to give feedback on current charge level of battery pack REDLITHIUM™ 3.0 Ah / 4.0 Ah battery packs recharge in 60 min / 80 min or less REDLITHIUM™ 1.5 Ah / 2.0 Ah battery packs recharge in 30 min / 40 min or less
