About this item 【Adapter Converter Feature】: 18V Battery Adapter for Makita 18V Lithium-ion Cordless Power Tools, Compatible with Makita 18V BL1830 BL1840 BL1850 BL1860 Power Tools. Allows for use for Dewalt 20volt MAX compact batteries, or for Milwaukee 18volt Lithium-ion batteries. 【Convert 20V Lithium Battery Models】: Compatible with DeWalt 20V, DCB200, DCB201, DCB203, DCB204, DCB205, DCB206, DCB181, DCB180, DCB184, N123283, N123282, DCB201-2, DCB181-XJ. 【Convert 18V Lithium Battery Models】: Compatible with Milwaukee 18V, 48-11-1811, 48-11-1815, 48-11-1820, 48-11-1822, 48-11-1828, 48-11-1840, 48-11-1841, 48-11-1850, 48-11-1852, 48-59-181, 48-59-1850,982-2, 4932352071, 4932430063 【Converter Advantages】: This Cordless Power Tools Adapter made of ABS material, strong and durable. Size about 4.32x2.79x1.73inch. Professional compact design and easy installation. Built-in USB charge port(output: 5V, 2.1A max) design for charging the low-power electronic products, such as smart phone, tablet, smartwatch. 【Notes】: Can not be used for power tool battery charging, this adapter will not fit into any chargers. If you need to charge your power tool batteries, please use the original battery chargers. Compatiable Details: - Compatiable with Milwaukee 18V lithium battery: 48-11-1811, 48-11-1815, 48-11-1820, 48-11-1822, 48-11-1828, 48-11-1840, 48-11-1841, 48-11-1850, 48-11-1852, 48-59-181, 48-59-1850,982-2, 4932352071, 4932430063 - Compatiable with Dewalt 20V lithium battery: DCB200, DCB201, DCB203, DCB204, DCB205, DCB206, DCB181, DCB180, DCB184, N123283, N123282, DCB201-2, DCB181-XJ - Replacement for Makita18V LXT Lithium Battery Model: BL1850, BL1840, BL1830, BL1815, BL1845, BL1860, BL1860B, LXT-400, 194205-3, 194204-5, 194309-1, 194230-4 Using Note: * Can not be used for power tool battery charging, this adapter will not fit into any chargers. If you need to charge your power tool batteries, please use the original battery chargers. * Disconnect The Adapter From The Battery To Increase Battery Life!