Re: [electricboats] Solar system on a sailboat for 96v battery?

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What about this? Split the battery pack in two and charge each half at 48V with it's own controller (would still need to string 2 panels together to get enough voltage).

Kinda like center tapping a transformer but center tapping the battery with the negative side of one charger and the positive side of another charger.

If you program both chargers the same, feed them with equal length wires from bus bars that are fed from all panels, and have a 16s balancer, I think it could work.

 

Those Genasun GVB-8-Li-56.8V-WP are almost exactly what I need for my boat, but they are only rated at 8A (while saying that people have been using them up to 9A without issue). My panels Max Power Current is 10.72A while the Short-Circuit Current is 11.26A.

My panels are only 370W with a VOC of 41.4V (Vmp of 34.5V) and I have been trying to figure out a way to mount 3 of these panels when I only have room for 2.

So at 405W I don't think the OP could use these (let alone the fact that the highest voltage I see for these is 62V).

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