MILWAUKEE Battery Lithium-Ion M12 B4 (12V/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