Makita USA MKT-BL1840B 18V LXT® Lithium-Ion 4.0Ah Battery The Makita USA MKT-BL1840B 18V LXT® Lithium-Ion 4.0Ah Battery is a powerhouse designed to significantly enhance the productivity and efficiency of your fleet operations. This isn't just another battery; it's a strategic investment in minimizing downtime and maximizing the potential of your Makita cordless tools. Experience up to 35% longer run time per charge compared to the BL1830, allowing your crews to complete more tasks without interruption. The innovative design ensures a full charge in 40 minutes or less, drastically reducing idle time and keeping your tools ready for action. This translates to significant cost savings by minimizing project delays and maximizing worker output. Built with impact-resistant casing and a shock-absorbing inner liner, the BL1840B is engineered to withstand the rigors of demanding work environments. The integrated Star Protection Computer Controls™ safeguard against overloading, over-discharging, and overheating, ensuring extended battery life and reliable performance even in extreme temperatures (-4°F/-20°C). Sixteen contact terminals maintain consistent power delivery, eliminating voltage fluctuations even during high-vibration operations. The convenient LED charge level indicator provides real-time feedback on remaining battery power, enabling proactive management of your battery assets. This reduces the risk of unexpected tool shutdowns and ensures tasks are completed efficiently. The BL1840B is specifically designed for compatibility with Makita 18V Lithium-Ion tools featuring the Star Symbol™ and/or Yellow Battery Receivers. This ensures a perfect fit and optimal performance across your existing fleet of Makita equipment. The battery's consistent power output, even in challenging conditions, ensures consistent performance for your tools. Invest in Efficiency, Invest in the BL1840B: The Makita USA MKT-BL1840B battery offers a compelling combination of extended run time, rapid charging, robust protection, and seamless integration. By choosing this high-performance battery, your fleet gains a competitive edge through increased productivity, reduced downtime, and lower operational costs.