Brand new in box

Genuine Milwaukee Battery - M12B4 4.0Ah Lithium-Ion Battery - Red

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-ION™ protection with Milwaukee® 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