BS18DW12 is suitable for li-ion battery With BS18DW12, You can use the (for ) 18V lithium battery on the (for ) 12V lithium battery tool, replacing the (for ) 12V Lithium Battery (DCB120 etc.). 18V: BAT609, BAT610, BAT618 as shown in the figure below: The adapter is not suitable for"ALL 18V "series lithium batteries, as shown in the figure below: Notice: Can not be used for power charging, this adapter not fit into any chargers. If you need to charge your power tool batteries ,please use the old battery chargers. The text color on the product label is random due to different batches and does not affect normal use. Material: plastic colour: black Package Contents: 1 * Battery Adapter(Batteries 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.