Recharging via generator and/or solar panels
Since I have both options, from a power management perspective, since the 120W folding panel has diodes... must I only run one, or the other, and have a complete disconnect of the input from the solar...
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Not much. The 120 watt panels at 17.2 volts generate just under 7 amps, 225 AH @ 75% you are down 56 amps. In theory you will need 8 hours of direct sunlight just to fill the bank. With the fridge and propane detector running at the same time you are likely closer to 10 hours. On a cloudy day you may be seeing 30% output - which doesn't matter, as there isn't 10 hours of daylight anyway.
Where things get exciting is if you are closer to 90% SOC, then several hours of clear sun can get expensive.
Where things get exciting is if you are closer to 90% SOC, then several hours of clear sun can get expensive.
