Thinsont MT20BSL Battery adapter For 18V batteries Compatible with BL1815 BL1830 BL1850 convert batteries for 18V tools

This adapter can make listed lithium batteries use onBOS 18V LITHIUM cordless power tools and let you Enjoy the benefits of extended run-time of Batteries on your existing 18V tools.(MAK 18V BL1830 BL1840 BL1850 conver to Bosch18V BAT609 BAT610) .Maximum initial battery voltage(measuredwithout a workload) is 20volts Nominal voltage is 18volts Notice: .Allows for use of18V LITHIUM batteries and replacement batteries in most batteries of MAKITA: BL1860B/BL1860/BL1850B/BL1850/BL1840/BL1830B/BL1830/BL1820/BL1815 etc. . Use forBOSCH 18V LITHIUM cordless power tools. .Can not be used for power tool battery charging this adapter will not fit intoany chargers. If you need to charge your power tool batteries please use the battery chargers.