Battery Converter Adapter Replacement For Converting 18V-20V Lithium Batt

Feature: \n 1. 1. Allows the use of 18V lithium batteries and replacement batteries in most batteries compatible with : BL1860B / BL1860 / BL1850B / BL1850 / BL1840 / BL1830B / BL1830 / BL1820 / BL1815, etc.\n2. 2. The battery adapter can make lithium batteries compatible with 18V tools that use lithium battery.\n3. 3. Maximum initial battery voltage ( measured without a workload ) is 20V, nominal voltage is 18V.\n4. 4. The solid structure and ABS shell material design make it High quality and easy to operate.\n5. 5. Compact and portable, easy to install and disassemble, upgrade your old tools. \n\nSpecification: \n\n \nThis adapter can make lithium batteries compatible with 18V tools, and let you enjoy the of extended run-time of Li-lon batteries on your existing 18V tools.\n\nFeatures:\n1. Allows the use of 18V lithium batteries and replacement batteries in most batteries compatible with : BL1860B / BL1860 / BL1850B / BL1850 / BL1840 / BL1830B / BL1830 / BL1820 / BL1815, etc.\n2: