Herbert Graf email (remove spam text)
> I want to make a small UPS, one that would be able to run my
> PC for a little while if the power failed (enough so it can
> shutdown it self down properly).
> 2 ways I have thought of doing it.
> 1st would be a 240V to 12Vbattery back to 240V that can be run
> in series with the incoming supply.
> 2nd would be to modify the existing switch mode computer power
> supply to include the battery.
> I would like to do the second method as that sounds easier :)
> Any suggestions or pointers to websites that may help me out?
I'd suggest you buy one. Making one generally is more work then it is
worth, and dangerous to boot. Small UPSs can be found very cheaply these
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