yes but.  the panels never generate the rated watts in the real world. best to 
monitor output in your specific locale / application.  No need to make an 
expensive upgrade for something that will never happen.  I run 2x 100/30 amp 
controllers on 2 sets of 4 x 150 watt panels in the baja.  They never make more 
than 10 amps.

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________________________________
From: Marek Dziedzic via CnC-List <cnc-list@cnc-list.com>
Sent: Friday, December 9, 2022 8:29:20 AM
To: Stus-List <cnc-list@cnc-list.com>
Cc: Marek Dziedzic <dziedzi...@hotmail.com>
Subject: Stus-List Re: Solar switch?


Actually, the controller should be even bigger (400 W/12 V = 33.333 A). A 30 A 
controller will be marginal, at best. If you run it like that, it may generate 
excessive heat and may fail prematurely.



The voltage would depend on how the panels are connected. If all in parallel, 
then the voltage should not exceed 20-22 V.



Marek

1994 C270 Legato

Ottawa ON







From: Korbey Hunt via CnC-List <cnc-list@cnc-list.com>
Sent: Friday, December 9, 2022 10:10 AM
To: Stus-List <cnc-list@cnc-list.com>
Cc: Kevin Wright <kcwright...@gmail.com>; Korbey Hunt <kampf2...@hotmail.com>
Subject: Stus-List Re: Solar switch?



sounds OK.  Note the rating on your Victron controller.  A 100v/ 30amp 
controller is likely needed for 4 panels.  they could generate over 80 volts.  
Your Victron has a switch for different battery types if you change system in 
the future.  Also be sure to fuse or use a breaker in the system between panels 
and battery.



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From: Kevin Wright via CnC-List 
<cnc-list@cnc-list.com<mailto:cnc-list@cnc-list.com>>
Sent: Friday, December 9, 2022 7:44:47 AM
To: Stus-List <cnc-list@cnc-list.com<mailto:cnc-list@cnc-list.com>>
Cc: Kevin Wright <kcwright...@gmail.com<mailto:kcwright...@gmail.com>>
Subject: Stus-List Solar switch?



Hi All,

Starting to look at the project list for the spring and I have a question for 
the group.

I have 4 100 watt solar panels that are connected directly to a solar generator 
(Bluetti AC200P) that is wired to the AC panel. When I want to charge the house 
bank I flip the switch for the House bank/start bank charger. Obviously not the 
most efficient way to charge but works. I have a Victron solar charge 
controller that came with the panels that I would like to use. The question is, 
can I run the solar panels into a two way switch. One side going to the charge 
controller and the other going to the solar generator? That way I could charge 
the house bank till full then switch it over to the lithium.

Thanks everyone.



Kevin Wright

Landfall 43

Raven

Midland ON.
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