I'm sharing my experience with the Solar Panel Multimeter WS400A from Elejoy. I wanted to know if this could have saved me some money with the last lot of used solar panels I bought. Some of them deliver only half of the power and we could not really find out why (It's not the diodes!).
The multimeter can measure open circuit voltage as well as determine the maximum power point parameters of your solar panel under the current conditions. As we have already some results with testing the solar panels with the MPPT solar charge controller ( • Solar panel testing. G... ) it is now time to confirm these numbers with this all-in-one tester. Can it deliver?
I also have a look how it actually works and explain why it can handle 400W of solar power without the need of a heatsink or fan.
Elejoy WS400A Solar Panel Tester:
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Special thanks to Timo again, who gave me the tip with this tester.
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Негізгі бет Ғылым және технология Solar Panel Multimeter WS400A - can it identify faulty and bad solar panels?
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