Hi there , I have 18v cordless dewalt drill are these 20v battery can be use on this drill? Thanks

These batteries are compatible when used with the 18v-to-20v adapter, DCA1820. The adapter is also available as a kit with a charger and two batteries. Links below.http://www.toolnut.com/dewalt-dca1820-18v-to-20v-battery-adapter.htmlhttp://www.toolnut.com/dewalt-dca2203c-18v-to-20v-battery-adapter-kit-w-2-0ah-batteries.html