Converter bottom: compatible with Dewalt DCB series 18V/20V(MAX) lithium batteries; Converter top: Compatible with Milwaukee 18V lithium battery tool; (For Milwaukee power tools must be compatible with For 18V lithium battery models.) compatible with Dewalt DCB series 18V/20V(MAX) lithium battery is suitable for the bottom of the converter: DCB180 DCB182 DCB184 DCB200 DCB201 DCB203 DCB203BT DCB204 DCB205 DCB206 DCB606 DCB609,18V/20V(MAX) Lithium ion battery...... For Dewalt 18V/20V lithium battery is converted into a for Milwaukee 18V lithium battery tool. For Milwaukee 18V lithium battery tool is converted into a For Milwaukee 18V lithium battery tool. Get your for Dewalt 18V/20V lithium battery shared with the FOR Milwaukee 18V Lithium battery tool. This converter does not support for Dewalt 18V/20V lithium battery and FOR Milwaukee shared charger! Package Included: 1x Adapter (Only Adapter, No Battery) WARNING: Make sure that the battery is fully inserted for normal use Please do not force into the battery pack, if the battery pack can not be installed, the installation method may be wrong This product is only compatible with the tools, not compatible with the charger, Do not use the adapter to charge the battery When you need to charge the battery, remove the converter