STP250S - 20/Wd STP245S - 20/Wd 250 Watt Features.
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STP245S-20 - 250 Watt MONOCRYSTALLINE SOLAR MODULE
STP250S - 20/Wd STP245S - 20/Wd 250 Watt Features 15.2% MONOCRYSTALLINE SOLAR MODULE High module conversion efficiency (up to 15.2%), through super.