[Asterisk-Users] UPS rating for SOHO asterisk box

Nick nick at pelagiris.org
Tue May 31 13:17:41 MST 2005


Use "deep cycle marine batteries" or similar.  Car batteries arn't
really designed for "long low power", they're designed for CCA, high
output short burst.
	Nick
On Tue, May 31, 2005 at 01:22:09PM +0400, Jean-Michel Hiver wrote:
> 
> >Another thing to consider regarding the ups is the runtime, depending=20
> >on the hours and minutes you want the ups to supply power to your=20
> >asterisk box, you may need to add more batteries to the ups.
> 
> Regarding this, I have done this hack yesterday:
> 
> - Remove the battery from an existing UPS
> - Rewire the UPS onto biggest car lead acid battery (12v) you can find.
> 
> Et voila! Bigger capacity. Put the batteries in parrallel and you do get=20
> monstruous UPS capacity... the only trouble with it is that re-charging=20
> the batteries may take some time.
> 
> --=20
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> 
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