question

joshpoget avatar image
joshpoget asked

Which inverter is best for island setup?

I am building a system for my RV while building a home so it will be moved to the off-grid him in about a year. So far I have 2 12V 100 AH Battleborn Batteries, 8 - 335 Watt Solar Panels from Rich Solar and a Victron MPPT Tr VE. Can 150V 100 amp Solar Charge Controller. My RV has a 50 AMP service with 2 AC units, however, I have a generator to run those when needed. The RV came with a basic inverter to run the fridge and the outless unless run when plugged into shore power or a generator. I am wanting to add an inverter to run these from the solar panels directly while also charging the 2 batteries that can be used when the sun goes down for small loads. Is this something the Multiplus II can handle and it can be programmed to only deliver the max charge rate of the batteries or do I need something else. I want to avoid spending a lot on additional batteries. I can provide more details if needed, any help would be greatly appreciated. Thanks!

Multiplus-IIoffgridsolar
7 comments
2 |3000

Up to 8 attachments (including images) can be used with a maximum of 190.8 MiB each and 286.6 MiB total.

seb71 avatar image seb71 commented ·

Do you plan to use those two batteries in parallel (so as a 12V battery) or in series (so as a 24V battery)? For large loads, higher battery voltage is better. And it would be best to go for a 48V system (48V battery).

0 Likes 0 ·
joshpoget avatar image joshpoget seb71 commented ·
I was thinking in series as 24 volt and I would have to get a dc converter for the 12 volt loads. I was also considering 48 volts, but I would have to buy 2 more batteries and not sure if 48 volt is ok on an RV?
0 Likes 0 ·
seb71 avatar image seb71 joshpoget commented ·
It sounded like the plan is to move this system in the new house, after the house is built.
0 Likes 0 ·
Show more comments
0 Answers