Applicable for battery model: for Li-Power 18V battery, LiHD 18V battery, note: not compatible with for series batteries Converter Top: Convert to for Battery Model: Lithium-Ion 18V Battery: BL1815, BL1815B, BL1820, BL1820B, BL1830, BL1830B, BL1840, BL1840B, BL1850, BL1850B, BL1860, BL1860B, BL1845, BL1890, BL1890B for 18V lithium battery is converted into for series 18V/20V lithium battery tool. Through this converter, you can use for 18V lithium battery for series 18V/20V lithium battery tool, so that your 18V The lithium battery shares the battery with for series 18V/20V lithium battery tools. This converter does not support for 18V lithium battery and for shared charger Colour: black Material: plastic Package Contents: 1 * Battery Adapter Only the above package content, other products are not included. Note: Light 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.