Milwaukee M18 4.0 Ah Battery

The Milwaukee M18 4.0 Ah Battery delivers up to 2 times more runtime, 20% more power, and up to 2 times longer battery life compared with previous Milwaukee battery technology. Featuring REDLITHIUM protection, REDLINK digital overload protection, individual cell monitoring, and a durable metal frame construction, it is built for reliable performance in demanding applications and extreme temperatures down to minus 20 degree C.

• Can be used in extreme temperatures down to -20 degree C without compromising on runtime and battery life
• Water protection routes water away from the electronics & out of the battery pack
• 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
• Durable metal frame battery construction with shock responsive separators preventing pack failure from excessive vibrations or drops
• 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)
• On-board battery fuel gauge helps the user to maximise his battery run-time efficiency.