2X For Dewalt Battery Adapter DCA1820 18V USB 20V Li-ion Convert To Ni-Cd Ni-MH
1-4X For Dewalt 18V 20V DCA1820 Battery Adapter(Only Adapter, No Battery). For Dewalt DC DW XRP Series 18V battery. For Dewalt 20V lithium battery. Compatible Band:For Dewalt. Battery Composition:Lithium-ion (Li-Ion).