MILWAUKEE BATTERY M12B4 LI-ION 4.0AH

Sophisticated electronics: Milwaukee© 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 Cell Monitoring - Ensures optimal charge and discharge for maximum life . Discharge Protection - Prevents cell damage from over-discharge . Up to 2X more run time*, 20% more power*, Up to 2X more recharges*. *Compared with other Lithium -Ion technologies and / or with previous Milwaukee© battery technology. Results dependant on voltage, tool and application. Integrated weld frame . Cell separator . Impact and vibration protective rubber.