[Asterisk-Users] UPS rating for SOHO asterisk box

[Dave Cotton]

On Tue, 2005-05-31 at 13:22 +0400, Jean-Michel Hiver wrote:
> > Another thing to consider regarding the ups is the runtime, depending 
> > on the hours and minutes you want the ups to supply power to your 
> > 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 
> monstruous UPS capacity... the only trouble with it is that re-charging 
> the batteries may take some time.

And place the battery in a well ventilated environment :)

You could give it a boost with a car charger.

-- 
Dave Cotton <dcotton at linuxautrement.com>