It's heavily overcast today, so the PV output isn't very high. Maybe a few watts.
But that's not real important, since 11.2 Ah total yesterday topped off the system.
When the SOC is high, even a overcast day will maintain the charge.
During the test period the SOC did get low a few times. When we used extra hotwater
and during bad solar days, we had lower nighttime bank voltage. (Red LED blinking)
But the reserve power in the bank was actually enough to run the A7 until the sun came back to recharge the bank.
The dual Sanyos use too much on startup to be driven by small solar.
And that project would require more PV, another battery bank(large), plus a large 230vac inverter. Way too much $$$
The very best way to use a small PV array is to go grid-tie.
But, even that's too expensive, compared to buying power at 16.33 cents per kWh.
GTI is the way to go. Maybe someday I'll plant a large post in the back yard for a high post mounted PV tracking array.
That would be
almost as good as roof mounting.
Maybe like this, but with a taller post..
