4.0Ah 20V Lithium Battery for Black and Decker Power Tools - 2 Pack

Are batteries compatible with original existing 20V tools? The batteries are compatible with original older 20V tools as well as newer models, such as drills, impact drivers, saws, vacuums, lawn mowers and more. What safety features do batteries incorporate? Overload Protection, Overcharge Protection, Short Circuit Protection, Temperature Control, Battery Cell Balancing, Shock Absorbing Construction, Cool-to-Touch Housing Do batteries self discharge when not in use? Our batteries adopt high-quality grade A lithium-ion cells and are equipped with battery management circuits. They can maintain the charge well even when they are not used for several months. How long do batteries typically last before replacement? Our batteries are made of high-quality materials and support 500 to 1000 charge cycles. Generally, they can be used for 2 to 4 years. How should batteries be stored when they are not in use? 1. Storing batteries in a cool, dry place that is far away from heat sources and moisture and fully charging them before long-term storage will help extend the battery life. 2. It is recommended to charge the batteries once every 3 to 6 months. About Bmcot – Powering Your Tools, Empowering Your Work With a decade of specialized experience in battery technology, Bmcot focuses on power tool replacement batteries. We go beyond industry standards, upholding robust safety, consistent stability, and seamless OEM compatibility. Each battery undergoes 12+ rigorous quality inspections and holds CE, FCC, RoHS certifications for reliable use. Equipped with advanced lithium-ion cells, it delivers 30% longer runtime and 500~1000 charge cycles, ensuring steady performance even in demanding heavy-duty tasks. Choose Bmcot for dependable, high-efficiency power that keeps your tools performing at their best. Battery Safety & Maintenance Guidelines: To ensure your safety and extend battery lifespan, please adhere to the following key tips 1. Essential Safety Precautions 2. Easy Maintenance Tips Provide unparalleled service and premium products, with 24/7 user support to enhance user satisfaction Simply contact the seller using the order number, and they will respond to your message within 12 hours.