[Public-List] Batteries, solar panel.

[Justin Riddle]

Hi Marcelo,
I have it mounted fixed on a pair of garhauer davits. There's a picture of
the setup in our blog. (Haven't updated it in forever! So lazy.)

http://www.reefknotsandrigging.com/index.php/2017/02/20/warm-weather-projects/

- Justin
Hiraeth #498

On Sun, Aug 5, 2018, 10:45 AM Marcelo D. Gentinetta via Public-List <
public-list at lists.alberg30.org> wrote:

> All great suggestions! Thank you group! One question for Justin. Where is
> your 100W panel located? Is it fixed?
>
> > On Aug 4, 2018, at 7:02 PM, greg.hounsell via Public-List <
> public-list at lists.alberg30.org> wrote:
> >
> > As John Boor mentioned about battery ages - don't mix them.
> > I would either work with the one that I have until it needs replacing
> and then buy two to increase bank size or replace the house bank now with
> two new batteries. Depends on needs and budget of course.
> > CheersGreg
> >
> > Sent from my Galaxy Tab® S2
> > -------- Original message --------From: "Marcelo D. Gentinetta via
> Public-List" <public-list at lists.alberg30.org> Date: 2018-08-04  5:55 PM
> (GMT-05:00) To: Alberg 30 Public List -- open to all <
> public-list at lists.alberg30.org> Cc: "Marcelo D. Gentinetta" <
> vanguard64 at cox.net> Subject: Re: [Public-List] Batteries, solar panel.
> > My present batteries are approximately 2 years old. So if I add a second
> house battery and alternate the two as you mention, do I then need to add a
> second battery selection switch?
> >
> >> On Aug 4, 2018, at 3:20 PM, Greg Hounsell via Public-List <
> public-list at lists.alberg30.org> wrote:
> >>
> >> Marcelo;
> >>
> >> Your house and start battery, from how you describe it, going through
> the
> >> battery selector switch are not "in parallel" unless the switch is set
> to
> >> "both". In terms of this discussion I would think of them as separate
> banks.
> >>
> >> Before adding a second house battery, how old and used is the one you
> have?
> >> The reason asking is that adding a new battery in parallel to an older
> >> battery can potentially shorten the new battery's life if there is more
> >> than say a couple years difference. An older battery slowly over time
> loses
> >> it's capacity to reach 100% charge, nor hold charge as easily as a new
> >> battery. If, say the existing battery can only ever be charged to 90%
> then
> >> when you connect the new battery to it they will try to equalize. The
> >> weaker drawing down the newer.
> >>
> >> If you are not using them in parallel but as separate banks they can be
> >> placed where most convenient. Some people do this and alternate which
> >> battery gets used each day as the other gets charged.
> >>
> >> Cheers
> >> Greg
> >>
> >>
> >> On Sat, Aug 4, 2018, 3:14 PM Marcelo D. Gentinetta via Public-List <
> >> public-list at lists.alberg30.org> wrote:
> >>
> >>> I agree with Michael that you can over analyze everything.
> Unfortunately,
> >>> I have an analytical mind so it is a battle!.
> >>> I am trying to keep the system as simple as possible though and trying
> to
> >>> learn more about the whole process. Greg’s explanations have been very
> >>> helpful. This brings me to another question. If you added a second
> house
> >>> battery, where would you locate it in a liner boat and would it be in
> >>> parallel to the present house battery which is already in parallel to
> the
> >>> starting battery?
> >>>
> >>>
> >>>
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