9volt Battery overheating.?
hello i have a question.. i have made a usb charger using a 9 v bat and a 5 v voltage regulator but the battery duracell overheats way to much... same batt connected to a led strip 12 v. it works but it overheats as well..... any ideas?
my usb charger is on my page.....
anybody have an idea why this happens? cheers