Milwaukee M18 4.0 AH BATTERY
Elevate your power tool performance with the M18™ 4.0 AH BATTERY from Milwaukee. Engineered for lasting durability and unmatched runtime, this battery is designed to keep you working longer. With a 4.0 amp-hour capacity, it provides ample power to tackle any job. Whether you're on the job site or working on home projects, trust Milwaukee's M18™ 4.0 AH BATTERY to deliver consistent and reliable power every time.
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Committed to service -
Experts in the Field
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Local Support by Local Teams
Committed to service 
Experts in the Field 
Local Support by Local Teams Elevate your power tool game with the M18™ 4.0 AH BATTERY. Designed by Milwaukee for maximum performance and longevity, this battery offers reliable power for extended periods. With a 4.0 amp-hour capacity, it provides the endurance you need to tackle tough jobs without interruption. Whether you're on the job site or working on DIY projects at home, trust the M18™ 4.0 AH BATTERY to keep you powered up and productive.
- Enhanced Performance: Delivers up to 2x more run time, up to 20% more power, and up to 2x more battery life compared to other Lithium-Ion technologies or previous Milwaukee® battery iterations. (Results vary based on tool and application.
- Advanced Protection: REDLITHIUM™ protection paired with REDLINK™ digital overload protection safeguards your cordless power tool investment, preventing damage in abusive situations.
- Optimal Battery Management: Individual cell monitoring ensures optimal charge and discharge, promoting maximum battery life and performance.
- Robust Construction: Durable metal frame battery construction, coupled with shock-responsive separators, prevents pack failure caused by excessive vibrations or drops.
- Water Protection: Innovative design routes water away from the electronics and out of the battery pack, ensuring reliable performance even in wet conditions.
- Extreme Temperature Compatibility: Can be used in extreme temperatures down to -20°C (-4°F) without compromising on runtime or battery life, providing versatility in various working environments.
- On-board Fuel Gauge: Convenient on-board battery fuel gauge empowers users to maximize battery run-time efficiency, allowing for better project planning and execution.
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