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I think Best became Powerware (which, as Mr. Piotrowski mentioned, is a
division of Eaton).
Our Powerware didn't last very long. Not even as long as our first two
APCs. On the other hand, we have an APC to which I've fitted auxiliary
cooling fans, that hasn't yet even given a "worn-out battery" warning,
and worked just fine when we lost power a few months ago.
Cut-rate off-brand batteries have turned out to be a false economy.
My number one recommendation is, if your box doesn't have dual redundant
power (i.e., two separate AC cords, each of which can run the box by
itself) is to buy a standalone transfer switch, which will give you the
same effect.
In either case, you plug one AC input into the UPS, and plug the other
AC input either into a second UPS, or directly into the wall: that way,
both would have to fail at the same time, in order to bring your system
down.
Also, if you have a "relay contact" monitoring cable connected, and you
get shutdowns every time the UPS runs a self-test, it's a simple matter
to cut a relay into the line, that would block the monitoring signals if
the utility power is good.
--
JHHL
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