Battery Convertor With Usb/Type-C Charging Port: Adapter For Dewalt 18V/20V Max ?Compatible Battery ?-- The battery adapter is compatible with Dewalt 18V/20V max battery The Battery Converter top interface is used for Milwaukee 18v Cordless Power Tools. ?Functional Advantage?-- The Funtion for Dewalt to for Milwaukee battery adapter. The battery adapter converts for Dewalt 18v-20v lithium battery to compatible for Milwaukee power tool 18v battery, perfect replacement for Milwaukee 18 volt Lithium battery. If the 18 v Lithium-ion Battery stop working, use the adapter compatible with dewalt 18v or 20 v battery as power replacement. ?USB + TYPE C CHARGING PORT???aikeec Battery Adapter has dual charging port, supporting simultaneous charging of two devices. 5V 2.1A great for charging phones,Wireless Earbuds, MP4 players, digital cameras, PSP game console, set top box and more. ?Applicable for Milwaukee Power Tool ?-- Compatible with Milwaukee cordless power tool: 16 Gauge Angled Finish Nailer, 15 Gauge Finish Nailer,21 Degree Framing Nailer, 30 Degree Framing Nailer, Jigsaw, D-Handle, Jobsite Radio, 18 Gauge Double Cut Shear, 21mm Random Orbital Polisher, 15mm Random Orbital Polisher, ?Kindly Notice?-- The Adapter works fine with tools where the battery hangs freely in the open, but not in an enclosed area, like the rocket light has. (Not For Milwaukee NICD V18 18V tool ) .