Features: This DM18D battery converter adapter replace model: DCA1820 ,Suit for Dewalt 18V Ni-Cad & NiMh Power Tools. The adapter convert for Dewalt 20V /for Milwaukee 18V Lithium-Ion Battery to for Dewalt 18V NiCad & NiMh Battery.So you can use for Dewalt 18V Ni-Cad & NiMh Power Tools. E.g. DC9096 DW9096 DC9098 DC9099 DW9099 etc. This adapter can make listed lithium batteries use on 18V tools , and let you Enjoy the benefits of extended run-time of Li-Ion Batteries on your existing 18V tools. Very easy to use,slide to install and press to remove the battery,durable for withstand jobsite use. USB port design,conveninienct for charge your smartphone,camera and other electronic equipment anytime anywhere.