Thread: Aura H2O Kobo came without wall wart
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Old 04-07-2015, 10:46 PM   #5
DNSB
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Quote:
Originally Posted by Xen View Post
Thanks, I think all the USB wall warts are 5V (because that's what USB is) - so any of the chargers should be fine. Voltage matters - and the device should only draw however many amps it normally uses regardless of the maximum the wall wart can provide.

I don't know why I was thinking there might be a problem - I already knew that all USB based wall warts are going to draw the same voltage, and given voltage is the same, amperage only matters for a device that draws more current than the wall wart provides - and then only because it'll charge slower, LOL!

So we can use any wall wart intended for devices that charge over a USB connector for any of our devices.
My usual caution for aftermarket no-name USB power supplies: check the actual output voltage. I've been unpleasantly surprised a couple of times when the output was well outside the 4.75 - 5.25V (5V ± 5%) standard for USB 1/2.
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