I have 6 100 watt panels connected in series to power a Bluetti AC200Max. Lately they have been underperforming at around 100 watt/hr in full sun (usually I have around 450 watt/hr). If I unplug the system and wait 30 seconds or so, it seems to go back to normal. Can anyone help me diagnose this problem? It never was like this before...
Thanks in advance
Thanks in advance
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