Milwaukee M12 B4 Li-ion 4.0AH Battery

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.

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