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Frequently Asked Question
Q3: What is the difference between nominal output and actual
output of solar panel?
The nominal maximum output power (rated output) of solar battery is a
value calculated according to standard state. "Standard state" means
that surface temperature of solar battery module is 25°C and sunlight
intensity is 1000 W/㎡.
Generally actual output is lower than the nominal maximum
output power due to the following reasons:
① Installation environment.
② Characteristics of solar battery.
③ Dirt on the panel surface.
④ The generating capacity decreases due to energy loss.
⑤ When only a part of the solar panels are exposed to sunlight, the power
generation efficiency decreases and the power output becomes weak.
Please fully expand the solar panel and do not shade it from the sun.
In fact, the output power is only 70-85% of the rated power when the
solar power system runs even in sunny weather.
EN-08
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