Upgrade your tool performance with our 18V 5000mAh Replacement Lithium Ion Battery, designed to deliver exceptional power and reliability for all your projects. High Capacity: This power tool replacement battery boasts a substantial 5000mAh capacity, providing your tools with more power to enhance efficiency and productivity. Whether you're handling demanding tasks or routine jobs, this battery ensures your tools operate at peak performance. Multiple Protection: Safety and longevity are at the forefront of our design. The 18V lithium-ion battery features an intelligent protection chip that offers comprehensive safeguards, including over-voltage, over-current, short circuit, overcharging, over-discharging, and high-temperature protection. These features work together to extend the battery's lifespan and ensure safe operation. Compatible Model: Our replacement battery is compatible with a wide range of 18V cordless power tools and chargers. It fits models such as BL1860B, BL1860, BL1850, BL1850B, BL1840, BL1840B, BL1830, BL1830B, BL1820, BL1815, BL1825, BL1835, BL1845, 194205, and more. This versatility makes it an ideal choice for various toolsets. Safe and Reliable: Certified by FCC, ROHS, and CE, this 18V lithium-ion replacement battery guarantees absolute safety for both you and your tools. Trust in a product that meets rigorous safety standards and provides stable, reliable performance. Professional Design: Constructed from premium lithium-ion cells, this battery offers no memory effect, ensuring safe and efficient operation. With over 1000 charge and discharge cycles, it promises long-lasting performance. The built-in LED indicator light allows you to monitor battery usage at any time, helping you plan your work without interruptions. Choose our 18V 5000mAh Replacement Lithium Ion Battery for a powerful, safe, and efficient energy solution that keeps your tools running at their best. Perfect for professionals and DIY enthusiasts alike, this battery is a valuable addition to any toolkit.