What is the exact requirement for a battery box?  Not "good practices" but
specific requirements?  Battery boxes are always so bulky and inefficient.
But a glassed in plywood box can be made to fit very exacting and efficient
spaces.

Alternatively you could just do AGM 6v golf cart batteries.

Both main and aux battery banks were installed under the starboard dinette
seat of my boat.  200 Ah forward and 400 Ah aft.  There's few other places
to put them.

The prospects of lithium technology are very encouraging.  Near 100%
charge/discharge efficiency.  Lightweight.  Energy dense.  Maybe just drag
your feet on this project until the price comes down and the boat kitty has
grown.


Josh Muckley

S/V Sea Hawk

1989 C&C 37+

Solomons, MD

On Wed, Jan 25, 2017, 5:30 PM Della Barba, Joe via CnC-List <
cnc-list@cnc-list.com> wrote:

I am thinking of switching over to golf cart batteries and am going nuts
trying to figure out where to put them. I think 2 might maybe fit the
standard battery compartment, but they might be too high. No way 4 fit in
there. Also that is not including the battery containers, which are needed
for wet cells. I also think I have enough extra weight on that side already
with the water tank.

I have thought of:

Starboard under the dinette seat up by the mast: Lots of room, but lots of
wire to run and that brings acid and fumes right under someone’s head/butt.
Good side is the weight is in the near-ideal place.

In the port cockpit locker: Pretty good place with short wire runs, but
maybe not the best place for the weight. Also obviously takes away from
useful storage.

Starboard cockpit locker someplace: This is the good side of the boat for
weight, but low down near the engine blocks access I use all the time to
work on the back end of the engine.

Any ideas?

Thanks!

Joe

Coquina

C&C 35 MK I


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