Milwaukee M12HB5 12v 5.0Ah High OutPut Battery

The M12™ 5.0 Ah HIGH OUTPUT™ battery pack provides up to 25% more the power vs M12 B4 REDLITHIUM™ battery pack
Runs up to 25% cooler then other M12™ REDLITHIUM™ battery packs through heavy applications
Sophisticated electronics: REDLINK™ intelligence
Overload protection prevents user from damaging their cordless power tool investment in abusive situations
Temperature management system keeps battery in ideal temperature range to provide maximum life
Individual battery cell monitoring optimises tool run time and ensures long term pack durability
Improved housing is resistant to oils, solvents and greases
Discharge protection prevents cell damage from over-discharge
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