Re: External APC Batteries?

[Stuart Poulton <stuart.poulton@xxxxxxxxxxxxxx>]

Hi,

I'd have thought you'd be better of getting a generator, probably
cheaper.

Cheers

Stuart


On 20 Dec 2007, at 15:56, Guy Clark wrote:

> HI, Everybody!!
>
> Speaking of UPSs and batteries....
>
> Has anyone here had luck attaching external batteries to a UPS?   I
> have a propane gas "on demand" water heater, that requires
mains
> power for the on-board controller, as well as the fan and ignition
> system.  We live in an area that often has power failures,
> particularly in the winter.
>
> I have a spare old APC UPS that was given to me because it is
> relatively old, and had bad internal batteries, not because it is
> broken.  My plan is to set it up in the garage and use it to power
> the heater.  With some large external batteries (like the deep-
> discharge batteries used in marine applications) I'm thinking that
> in the event of even a couple of days of power outage (not beyond
> the realm of possibility!) the UPS would allow the heater to start
> up and run when needed.
>
> I'd have to extend the battery cables to reach the external
> batteries, but that's not a big problem for me.
>
> Any comments, concerns?
>
> Thanx for your help!!!!
>