[ARC5] UPS Transformers

[Peter Gottlieb]

Careful, many of those transformers are under-rated based on the maximum run time from internal batteries. Use an "extended run" UPS if you use big external batteries and are running over about 1/4-1/3 of rated output. 


Peter

> On Nov 19, 2015, at 10:30 AM, Mike Feher <n4fs at eozinc.com> wrote:
> 
> Dave -
> 
> What kind of batteries did you use? Just regular car batteries or the "deep cycle" style? 73 - Mike 
> 
> Mike B. Feher, N4FS
> 89 Arnold Blvd.
> Howell, NJ, 07731
> 732-886-5960 
> 
> -----Original Message-----
> From: ARC5 [mailto:arc5-bounces at mailman.qth.net] On Behalf Of arc5 at ix.netcom.com
> Sent: Thursday, November 19, 2015 10:18 AM
> To: arc5 at mailman.qth.net
> Subject: Re: [ARC5] UPS Transformers
> 
>    As a side note: I have a rack mounted APC UPS 24-volt version that used to run a computer cabinet. I took the little gel Cell out and hook them directly to to let us at 12 volt batteries big suckers. The UPS keeps them floating @ 27 volts. One day I forgot and left the ARC-2 dyna motor running for 18 hours.  The battery stayed up without any trouble. And the radio didn't mind either.
>    Sent from my ain't-so-smartphone.
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