M12 4.0Ah REDLITHIUM-ION Battery M12 B4
Features :
- Delivers up to 2x 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