Here's the reference you want in the Pacific NW. 6-volt batteries which you
mount in series - two for 12V with great amp-hours. Use two banks with a
switch. For us, it replaces a generator at a quiet anchorage using an inverter.
Once we get underway we recharge with a cruise generator. And I use a CPAP
machine all night. Plenty of power. And all the guys at this place have been
to the Trojan factory to learn batteries from the box up.



Schoonertrash wrote:
The old boat had a couple of 4D's at 220 Amp each. The new boat is
currently using fairly standard 12 volt RV size batteries at 110 ratings
each. I'm thinking of going to the 6 volt variety as I have to go back up
to or near 400 Amp hours of storage. Which size, which voltage, and why?
If six volt are the fairly inexpensive one's from Costco (golf cart
batteries)useful or should I just spend the money at West Marine?

Tanks
Michael