☛[DCA1820 Battery Adapter]-- The Battery Adapter is the upgraded version of DCA1820 Converter. It is compatible with dewalt 18V/20V Lithium-ion batteries, but also fits for Milwaukee M-18 18V li-ion batteries. And then work for Dewolt 18V Nicad&NiMh Tools. ☛[Widely Compatibility]-- Our DM18D Battery Converter is used for DeWalt DCB200 DCB201 DCB203 DCB203BT DCB204 DCB206 and Milwauk M18 48-11-1852 48-11-1840, 48-11-1815, 48-11-1820 18V batteries. ☛[Work for Dewalt 18V Nicad&Nimh Tools]-- Attention please: the adapter is ONLY worked for Dewalt 18V Nicad&Nimh Tools, NOT FOR Milwaukee 18V Tools. ☛[Easy to use and remove]-- Our“DM18D”converter is easy to use, you just need to plug the Dew 18v/20v or Milwau 18v li-ion battery into the base of the DM18D adapter and then insert your Dew 18v Nicad or NiMh tools into the adapter. When your work is finished, just remove all of them. ☛[USB Output Charger]-- The battery adapter is designed with an usb output(5V,2.1A), you can use it to charge for your phone, tablet and other small power device. 2PCS DM18D Battery Adapters