ISSUE: (SOLVED) Low Voltage Output from MPPT
Conclusion: you are using more power than your system can resupply in a given day, thus you are continually driving your battery voltage lower, and the solar can''t keep up. In your original post, you show a battery at 12.6V while receiving 8.2A of charging - this indicates your battery is at a horrifically low state of charge. Solutions:
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