1.Compatible with Dewalt 20V Lithium Battery Model:

     for ALL Dewalt 20V lithium battery
     For 20v Dewalt DCA1820 adapter work with: MAX XR DCB200 DCB201 DCB203 DCB203BT       DCB204 DCB205 DCB206 Compact Batteries

2.  Compatible with Milkwaukee M18 18V li-ion battery

Replacement All 18-Volt Dewalt Battery:
for Dewalt DC DW XRP Series 18V battery
DC9096 DE9039 DE9095 DE9096 DE9098 DC9098 DW9096 DW9095 DW9098

3.  Build-in 5V 2A USB port 

Package Includes:

1 * 20V Battery Adapter DCA1820 for Dewalt 18V Tools (Only Adapter, No Battery)