The stagnation temperature of the DualSun Spring solar panel is 70°C for the non-insulated version and 75.6°C for the insulated version.
This was measured during KIWA certification tests in accordance with ISO 9806:2017 (ex EN 12975-2) for Solar Keymark certification, with an irradiation of 1,000 W/m² and a temperature difference between the ambient air and the module of 40°C.
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