Base:Compatible with for BL1850 BL1860 18V lithium battery Above:Compatible with for C tools Built-in battery and tool bayonet, non-slip design Product name:Battery Adapter Notice: 1. Allows for use of 18V LITHIUM batteries and replacement batteries in most batteries for 2. Use for Bosch18V lithium cordless power tools. 3. Can not be used for power charging, this adapter will not fit into any chargers. If you need to charge your power tool batteries,please use the old battery chargers. 4. Please check as much as possible to make sure the item is what you need. 5. The label words on the product are random, Cannot be chosen the specific words. The actual product may have slight differences or color differences,which does not affect use. Colour:Black Material:Plastic Package Contents: 1 x Battery Converter Adapter (Adapter only, tool and battery not included) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.