Using a Power Supply
02-07-2017, 10:39 AM
#16
Tech Fanatic
If you're wondering about powering a charger through its USB port, or charging batteries from that alone, it doesn't. It's just a USB port, & can only power devices that are meant to run off a USB port(like the charge cable from your phone, or MP3 player, etc.). It's just a 5V, 1 amp current through a USB port....
Ha Ha!...Thanks for the info. . .But; I know you can't charge a battery from the USB. But; those Power Supplies has some (small) charging ability. How?
Thanks
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