[CentOS] Emergency rescue help needed

Fri Jan 30 20:28:03 UTC 2009
Anne Wilson <cannewilson at googlemail.com>

On Friday 30 January 2009 19:33:24 John R Pierce wrote:
> Chris Boyd wrote:
> > On Jan 30, 2009, at 11:28 AM, Anne Wilson wrote:
> >> OK, thanks.  I'll look around.  I guess if they are selling 'standard'
> >> batteries they will have some way of making sure that what I buy is
> >> compatible.  Another adventure :-)
> >
> > There's info on the battery that will identify it.
> >
> > Voltage (typically 12V for a small UPS)
> > Ah or mAh (Amp-hours or milliamp-hours, typically 7.5 for a small UPS)
> > A manufacturer model number (they should be able to cross-reference to
> > get the equivalent)
> many of the smaller UPS's use a pair of 6V 12AH batteries wired in
> series... if these are mounted side-by-side, you can use a single 12V 12AH.
> many UPS batteries use a somewhat different rating than AH, based on
> minutes at some load factor.
> I get my batteries from
> http://search.digikey.com/scripts/DkSearch/dksus.dll?Cat=393246
> anyways... measure the size of the battery, go here, select the voltage
> on the far right, and pick the size, and  .250 spades (or whatever) and
> hit search.  BB are somewhat cheaper, Panasonic are considered premium
> grade.  a really large UPS will use M5 or M6 bolt lugs.
> prices -have- gone up.... a few years ago, Panasonic 12V 20AH were $44.
> now they are $73.  ouch.
> if this is too complex, or if your UPS uses a funky battery assembly
> you're not up for hacking, try these guys...
> http://www.refurbups.com/Catalog/By-APC-RBC-Battery-Number;jsessionid=0a010
OK.  Thanks, both of you.  Info bookmarked for investigation :-)

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