M18 B4 - M18™ 4.0 Ah battery

FEATURES

• Can be used in extreme temperatures down to -20 °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