【Good Compatibility】 Applicable to Makita 18V B series lithium batteries and replacement batteries: BL1860B/BL1850/BL1840/BL1830B/BL1815... 【Advantages of MT18BD】 Perfect for Black and Decker 20V cordless tools, which means you can use your old batteries for B&D 20V power tools. Allows you to enjoy the longer life of lithium-ion batteries in your existing 20V tools. 【Material Guarantee】 Made of high-quality ABS plastic, sturdy design, made of high-quality materials, durable and safe, convenient to carry and use. 【Note】 Cannot be used to charge tool batteries power tools and the adapter cannot be connected to a charger. If you need to charge your power tool batteries, please use the original charger. 【Excellent Customer Service】 30 days money back, 6 months warranty, 24 hours customer service, 100% satisfaction guaranteed. Buy with complete confidence. Features: Battery composition: Lithium-ion battery Recommended product use: Power tools Number of units: 1.0 Reusability: Rechargeable