Put the Solar to the test.
So just a bit of back ground. I tried to dig up my original post for a reference but failed to find it. So the long and the short of it is: I bought a 20fq Creek Side and had 300w of solar installed ...
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If batteries were down to 11 volts under zero load, you would know it, because the water pump would probably hardly run, and the lites would go out when the pump tried to start. 11 no load volts is a dead battery.
Here is a "no load" chart
Here is a "no load" chart
