I used a high current (~250A continuous) relay, and
just connected the extra batteries to the car with it (I have a
toggle that turns it on).
I was able to start the dak when the regular battery finally died.
No clever placement, though: I just mounted them in the front of
the bed.
> Bill Pitz wrote:
> >
> > I've been thinking about a multiple battery setup for a
> > while... figured I'd post here first to see if anyone has
> > already thought up a good way to do this.
> >
> > I'd like to add a second battery to my truck -- something more
> > suited for deep cycle use. The idea would be to have a power
> > source to use for the stereo, light air compressor use (for
> > tire inflation), etc. when camping and such.
> >
> > In a perfect world, I'd like to have the starting battery
> > completely disconnected from the vehicle's electrical system
> > when the truck is off (a manual switch that I could activate
> > when parked at the campsite would be fine, too). Both the deep
> > cycle and the starting battery should be able to charge off of
> > the truck's alternator when the engine is running.
> >
> >
> > I know I need a battery isolator to accomplish this -- but what
> > about the switch between starting/deep cycle once stopped?
> >
> > I'm also curious where others who may have done this have put
> > the additional battery and the isolator. I'd like to avoid
> > losing any space in the bed if possible.
This archive was generated by hypermail 2b29 : Tue Jan 01 2008 - 00:38:35 EST