On Thu, 3 Jan 2002, Roman Black wrote:

> Peter Mcalpine wrote:
> >
> > Hi Herbet,
> > supposed had not really looked at small UPS as though the
> > cost was a bit much, will do some web searching.
> >
> > Can anyone recommend a good small UPS?
> > (Would actually prefer rack mount also :)
>
> > > 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).
>
>
> I'd try something a little different, use 3x 6v
> gell batteries, I think 18v is about right, then
> 2 simple smps buck regulators to give 12v and 5v
> at the decent amps. Maybe you could run 12v battery
> and no/minimal 12v regulation?
>
> It could be a good system if you can charge the
> thing from a car battery or truck (24v) battery,
> or even solar.
>
> But what about the monitor?

Use a small 100va 12vdc->120vac inverter and power it right from the
battery supply.

-- Mitch

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