Engineered for professional performance, this M18 REDLITHIUM XC battery delivers 4.0 Ah of fade-free power even in sub-zero temperatures. Advanced REDLINK circuitry and cell monitoring protect against overloads and extreme conditions to prolong battery life and minimize work interruptions.

• Extended Capacity: Delivers 4.0 Ah (72 Wh) of runtime for prolonged tool operation.
• All-Weather Performance: Engineered to provide fade-free power in extreme jobsite conditions, including sub-zero temperatures.
• Advanced Protection: Integrated REDLINK circuitry prevents overloads and protects against cell-damaging discharge.
• Durable Construction: Built with a welded frame and rubberized impact/vibration protection for heavy-duty use.
• Rapid Charging: Recharges in 60 minutes or less for minimal downtime.
• Smart Monitoring: Features built-in cell monitoring and a charge meter for real-time status.
• Universal Compatibility: Powers more than 40 Milwaukee M18 cordless tools and is compatible with all M18 chargers.
• Reliability: Includes a 3-year limited warranty for professional peace of mind.