[RE-wrenches] Charging a 108V battery bank

[Dave Angelini Offgrid Solar]

If the boat is insured or is going to leave US waters and hopes to be
insured, better CYA it and check this out. NMEA may be of help also.
https://www.nmea.org/content/STANDARDS/nmea_2000_certified_products 

We
did Marine electronics on the side and cruised our sailboat for a decade.
It was great until we lost insurance and then learned to live with it. It
got good again. Same thing now with offgrid and wildfires. Whatever I get
into ends up with loss of insurance. Good Luck !  
Dave Angelini Offgrid
Solar
"we go where powerlines don't"
http://members.sti.net/offgridsolar/
[1]
e-mail offgridsolar at sti.net [2]
text 209 813 0060

On Wed, 30 Jun 2021
15:50:15 -0400, Dave Tedeyan  wrote:  Hi All,   I am going to be working
with someone who plans to completely electrify a boat. The electric motor
is meant to run on nine 12V batteries, or 108V. The motor manufacturer
recommends a charger that can run on 120V or 240V. But has anyone seen a
charger that can take solar power and directly charge a battery bank of
108V? The alternative that I see here is to have two separate battery
banks, one for the motor, and one for house loads. Then we would have the
solar charge a 48V battery bank, and then use an inverter to charge the
108V battery bank. It seems inefficient, although that may be the only
choice.   A separate but related question: what is special about a marine
inverter? If there is a 5kw charger for the battery bank, we will need a
large inverter to handle this plus other AC loads, and I am not sure if
there are "marine" inverters this large. And so other than concerns about
getting wet, is there harm to putting a Radian, or a Sol-Ark on a boat?  
Cheers, Dave   -- 

 		 [3]

 Dave Tedeyan, P.E.
Owner | Sungineer Solar


p: he | him | his
a: 1653 Slaterville Rd. | Ithaca, NY 14850
w:
www.sungineersolar.com [4]
c: (607) 288-2898 

       

Links:
------
[1]
http://members.sti.net/offgridsolar/
[2] mailto:offgridsolar at sti.net
[3]
https://www.sungineersolar.com/
[4] http://www.sungineersolar.com/
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