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Post by 1handyguy on Aug 23, 2016 15:05:13 GMT -8
I received my solar kit with 2 100 watt solar panels connected in parallel and a 30 amp Wanderer charge controller. I wanted a PWM charge controller with an LCD screen to view the stats. I have installed a new charge controller and the Volts is reading 20.1 and the amps from the solar panels is only 0.3A not even 1 amp. The panels are rated Vmp 18.9 and Imp 5.29A. It was a sunny hot day here and I would have expected the panels to be working at rated output. Can someone explain why the low amp output.
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Post by ron1 on Aug 23, 2016 16:19:22 GMT -8
PV (panel) voltage or 20.1?
is it possible to share some identifying info of the new charge controller and the capacity of the battery?
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Post by 1handyguy on Aug 24, 2016 16:42:01 GMT -8
The LCD screen on the charge controller showing 20.1 volts and 0.3 Amps from the panels. The CC is a Patec 30 Amp PWM charger. I have two 6 Volt golf cart batteries wired in series and they are rated at 208 Ah @ 20 hrs.
The numbers above were taken when the battery voltage displayed 12.67 volts.
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Post by ron1 on Aug 24, 2016 17:46:11 GMT -8
charge controllers limit charge when the battery is near full, I certainly have no idea why yours limits charge with batt voltage well below 14v.
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