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The Makita BL4040 40V Max XGT 4.0Ah Lithium-Ion Battery is built to power high-demand cordless tools, delivering high performance and extended run times. Designed with extreme jobsite durability and smart technology, it communicates digitally with tools and chargers to optimize performance and protect against overload, over-discharge, and overheating.

Power & Efficiency: 40V Max XGT platform with 4.0Ah capacity (144Wh) delivering up to 2X longer sustained power under heavy loads.
Fast Charging: Reaches a full charge in just 45 minutes or less.
Jobsite Protection: Built with an impact-resistant outer case, shock-absorbing inner liner, and 3-layer moisture protection shield.
User-Friendly Features: Includes a 4-LED green battery charge level indicator and rigid rail construction for secure attachment to heavy-duty tools.