I have 8 x 100 watt flex panels charging my 48 volt battery bank with 2 x Victron 100/20 48 volt MPPT solar controllers. I think you will be much better off with 4 panels in series to each controller and then parallel the controllers.
I run the solar banks port and starboard so most shading degradation only affects one or the other solar bank at a time. A shadow on all or part of any panel drops the output of the whole series string.
I run the solar banks port and starboard so most shading degradation only affects one or the other solar bank at a time. A shadow on all or part of any panel drops the output of the whole series string.
Slightly off topic…I am using a left over 12 volt smart solar controller as a DC-DC converter for charging my house bank from the traction bank. Charge parameters can be monitored and controlled with the Victron IPhone app. This works really nicely.
Remember….no welding!
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