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That's open circuit voltage, not short circuit current.
Yeah, in case you wire 4 of those panels in series you would need a 250/xx solar charger. And those are expensive to be used for a small 1280W PV array.
Do you already have those panels?
What is the battery voltage?
You could wire strings of only 2 panels in series and then put those strings in parallel. But this would not be optimal for a 48V system (48V battery), because the PV array voltage would not be much above the battery voltage.Thanks a lot, seb71.
I got the panels for less than half-price through a friend, so I need to build the system around them. I'm probably just going to go with a 12v system (my friend also has access to six 100Ah Battleborn 12v batteries). My power needs aren't very high, so 600Ah should be a nice start. Just have a DC fridge/freezer, some DC lights, and I'll go with a smallish inverter to run fans, computer, etc. Heat is supplied via a wood burning stove. It's a small home in the shade with plenty of ventilation, so hopefully a few fans will suffice. The panels won't be in the shade obviously.
