Upgrade your cordless electric power tools with the 21V Large Capacity Rechargeable Lithium Ion Battery, a reliable replacement for Makita 18V/21V models. Unleash the potential of your tools with this high-capacity battery, delivering enhanced performance and longer operating times on a single charge. Say goodbye to frequent recharges and interruptions during your projects, as this battery ensures consistent power supply for seamless workflow. Designed for durability and convenience, it offers a quick and hassle-free installation process, allowing you to get back to work swiftly. Enhance your productivity and efficiency with this affordable solution that boosts the overall performance of your tools. Upgrade today and experience the difference with the 21V Large Capacity Rechargeable Lithium Ion Battery!