kony wrote:
> On Sat, 29 Sep 2007 19:42:39 -0700, meow2222@care2.com
> wrote:

> >PS for 10 seconds of use one could possibly go with no
> >output regulation and stay in spec.
> >12v is 10x nicds, (and is non critical anyway.)

> It's not so easy to assume a cell is 1.2V. They range from
> 1.45 or so (float, typical might be closer to 1.35V with a
> load) down to 0.8 per cell depending on remaining capacity
> and cell impedance vs discharge rate. This could easily put
> the pack outside of a stable (ATX spec) voltage range.

If they only need power the pc for 10 seconds, and are forever on
trickle charge, when in use theyre always going to be fully charged,
under load, and with no charging source running. That gives a much
narrower voltage window. Whether its narrow enough is another
question, as you say.


NT