Tenhutt'S "With Usb" Replacement For The Dewalt 18V To 20V Battery Adapter ??Function 1 - Easily convert DEWALT 18V 20V XR Battery or FLEXVOLT 20V/60V 18V/54V Battery to DEWALT 18V XRP Battery? Replace DeWalt DCA1820 Battery Adapter,Allows for use of 20V MAX XR Lithium batteries in any for DEWALT 18V tools, 20V Dewalt lithium battery can be converted to run older Dewalt 18V NiCad NiMh battery tools and replace old Dewalt 18V Ni-Cad batteries DC9096 DC9098 DE9039 DE9095 DE9096 DE9098 DW9095 DW9096 DW9098. ??Function 2 - USB Port?Featuring one USB port for charging mobile devices(such as phone,pad,camera,lamp...) and providing 5v 2.1a quick and easy charging. ??Widely Compatible?Compatible with all DEWALT 18V 20V XR Battery or FLEXVOLT 20V/60V 18V/54V Battery.(Such as DCB200 DCB204 CB206 DCB606 DCB609...) | Compatible with all Dewalt 18V XR Tools (Such as DC020 DC212 DC212B DC212KA DC212KB DC212KZ...) ??HANDINESS | SAFETY?Made with ABS, weight 0.23LB, easy to carry.Heat-resistant lightweight material, anti-current impact chip, allowing you to use it anytime, anywhere, and for a long time safely. Designed for job site durability. ??Perfect Technology?This DCA1820 adapter automatically changes between two voltages, helps users' work more efficiently. You don't need to change a whole new system, this adapter improves run-time. ?? What You Get ??1* Replacement for DeWalt DCA1820 Battery Adapter + 1*Battery Plastic Protective Shell + 1* User Manual + Excellent Service:{Free replacement or refund for 1.5 year !!} {24*7 hours prompt after-sales service.}