Forum Discussion
Almot
Feb 24, 2014Explorer III
If this is without controller, then you didn't even have to measure :)... I bet this is - more or less - what it says on the back of the panel, ex. Isc = 4-something Amps, Voc = 22V. Direct measurement without controller confirms that panel isn't dead though.
What is more interesting, is how your batteries work with this panel. What voltage they start from, do they ever get to Bulk 14-something volt, and do they ever get to Float. Measuring amps in line while battery is charging, is a useful info as well, but this has to be "in line", i.e. in series, with controller output connected to battery.
What is more interesting, is how your batteries work with this panel. What voltage they start from, do they ever get to Bulk 14-something volt, and do they ever get to Float. Measuring amps in line while battery is charging, is a useful info as well, but this has to be "in line", i.e. in series, with controller output connected to battery.
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