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Wisconsin | A deep freeze will be fine with running a couple hours in the morning and evening. Depending on outside temp of course.
If you want to extend the run, then I'd hook the freezer up to a Killawatt meter to see what it draws for watts running, and KWH per day or week, and then size a battery bank to that. I think you'll find it cheaper to charge the battery up with the PTO generator, then let the freezer run on an inverter after the tractor is off.
Pretty hard to get a payback on solar if you only use it when the power is out... | |
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Solar generators?
