Connect the panels of a solar bank together, if there are more than one. They are usually wired in parallel to preserve the voltage of each panel, but you can also wire sets of them together in series to increase the voltage to conform to the voltage of the battery bank, if need be.
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Once you have obtained the daily and/or total production figures from your inverter, you can cross check them with the production estimate supplied to you by Zigbee in your post install documentation. aditionally check inverter review, for more info.