The Genuine Makita BL1850 TWIN PACK 18v 5.0ah LXT Li-ion Battery with star is a high-quality power tool accessory featuring lithium-ion battery technology. With a capacity of 5.0Ah and a voltage of 18V, this battery pack is designed for long-lasting performance and durability. The Makita brand ensures reliability and quality, making it the ideal choice for DIY enthusiasts and professionals alike. Perfect for powering a wide range of tools and equipment, this battery pack is a must-have for any workshop or home improvement project.