Feature:Adapter Converter Feature: This 18V Battery Adapter only apply to compatible with Makita 18V LXT Lithium-Ion Cordless Tools. Replacement for Makita 18V slide Li-ion battery. eg. BL1860B / BL1860 / BL1850B / BL1850 / BL1840 / BL1830B / BL1830 / BL1820 / BL1815, etc.Convert 18V Li-ion Battery Models: This BS18MT-adapter can use lithium batteries of the listed brand in compatible with Makita 18V power tools and enjoy the benefits of extended lithium ion battery operation time on existing 18V instruments. Compatible with BOSCH 18V Lithium Battery, eg. BAT609, BAT610, BAT611, BAT612, BAT618, BAT618G, BAT619, BAT619G, BAT620 etc.Durable and Convenient: This Cordless Power Tools Adapter made of ABS+PC material, solid and durable. Convenient to carry and easy to use. Size about 4.33x2.75x1.77inch. Professional compact design and easy installation.Converter Advantages: With USB charge port (output: 5V, 2.1A max), can be used for charging smart phone,camera,smartwatch, shaver and other low-power electronic appliances. NOT fast charing port.Package Includes:1 Pcs Adapter (Adapter Only, Not Include Batteries & Tools)