Features: 1. This adapter can make listed lithium batteries use on BOSCH 18V LITHIUM cordless power tools , and let you Enjoy the benefits of extended run-time of Li-Ion Batteries on your existing 18V tools. 2. Maximum initial battery voltage(measured without a workload) is 20volts,Nominal voltage is 18volts. Notice: 1. Allows for use of 18V LITHIUM batteries and replacement batteries in most batteries of MAKITA: BL1860B or BL1860 or BL1850B or BL1850 or BL1840 or BL1830B or BL1830 or BL1820 or BL1815,etc. 2. Use for BOSCH 18V LITHIUM cordless power tools. 3. 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. Colour: Black Material: Plastic Size: 11 x 10.5 x 9cm Package Contents: 1 x MT20BSL (Only Adapter, No Battery) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.