Are you talking the the large (3.5") Western Digital Elements External Hard Drive? The 3.5" drives can't be powered off the USB port (if that's what you are ...
Apr 29, 2023 ˇ Hart 20V Power Tools Battery Interface. 20 volt input with the slim terminal as Positive + (wire is even red) it's also labeled as such on ...
HART 20V Power Tools Battery Conversion Guide. Looking for a HART 20V battery adapter to use other brands' battery packs on your HART 20V power tools?