Exactly what I am thinking, Loren. Cheap solution, too! <http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=92688
 >

Keith O

On May 6, 2009, at 9:00 PM, Automatic digest processor wrote:

> Date:    Wed, 6 May 2009 17:47:12 -0700
> From:    Loren Busch <starwagen@GMAIL.COM>
> Subject: Re: Surepower 1315, auxiliary fuse block,
>         Progressive Dynamics charger, and Vitrifrigo installation
> questions
>
> RE: 1314 vs 1315
> I think the issue raised between the 1315 and 1314 separators is
> probably
> valid.  When the smart charger cycles into the desulfating mode it's
> at
> about 14.4 or better.  Fine for an AGM battery but higher than the
> lead acid
> starting battery might like.  Therefore the 1314, set up to charge
> the aux
> battery when the engine is running but not charge the starting
> battery when
> the aux battery is taking the charge apperas to be a safer setup.
> Since I'm
> using a 1315 and do somtimes camp with a solar panel setup feeding
> the aux
> battery, when doing that, to keep the charge going only to the aux
> battery,
> I'll probably pull the ground strap on the starting battery or add a
> switch
> on that wire.