This DM18D battery converter adapter replace model: DCA1820 ,Suit for 18V Ni-Cad & NiMh Power Tools. The adapter convert for 20V / 18V Lithium-Ion Battery to for 18V NiCad & NiMh Battery.So you can use for 18V Ni-Cad & NiMh Power Tools. E.g. DC9096 DW9096 DC9098 DC9099 DW9099 etc. This adapter enables the use of the listed Lithium batteries on 18V tools, allowing you to enjoy the extended runtime advantage of Lithium Ion batteries on your existing 18V tools. Very easy to use,slide to install and press to remove the battery, for withstand use. The USB port is designed to conveniently charge your smartphone, camera and other electronic devices anytime, anywhere. Colour: as shown Material: plastic Package Contents: 1 * Converter 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.