What do you mean by "better job of charging both batteries"?

The reason I ask is that the isolator and fittings for futzing with the
Bosch alternator to force it to work with an isolator came to more than
$120, while the solenoid was $18. How much 'better' can batteries be
charged?

G. Matthew Bulley
Director
Bulley-Hewlett & Associates
www.bulley-hewlett.com
Cary, NC USA
888.468.4880 tollfree

-----Original Message-----
From:   Mark McCulley [SMTP:transporter99@HOTMAIL.COM]
Sent:   Wednesday, November 03, 1999 10:23 AM
To:     vanagon@GERRY.VANAGON.COM
Subject:        Re: Is battery isolator better than a relay?

>I have heard that some folks have located the remote sensing connection in
>the alternator regulator and added a wire to remote sense.
>

The SurePower isolator is designed to be connected to remote sense for the
voltage regulator. This requires a modification to the regulator, but it's
not very hard to do.

>The good news is that the relay is not as bad as it first sounds.  Lead
>acid batteries have charging characteristics that allow them to charge in
>parallel and share the charging current fairly well.  And, connecting a
>discharged battery across a charged one isn't all that dramatic either.
>  Again, they quickly adjust to one another and as long as you drive long
>enough to charge the low battery there should be no problem.

I've used both approaches and the isolator definately does a better job of
keeping both batteries fully charged.

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