Winter sun behind light clouds
Only 19 degree above the horizont is the sun behind light clouds. At horizontal photovoltaic, this brings only double compared to yesterday noon under clouds.To avoid that the charge controller switches off, a AA battery charger is connected to the lead acid battery.
The crystalline photovoltaic delivers direct adjusted towards the sun 4 times more.power.
12,5 W / m²
13,0 W / m²
( 2005-12-08 12:00 )
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