Principal crítica positiva para Painel solar em Banggood

26% OFF ainel solar dobrável Sunpower 50W 18V Carregador de bateria solar para camping, caminhadas, mochila USB fonte de alimentação. US$49.99 US$67.19 View It

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BG121625255 01/08/2020

The main parameter on is tested under a ideal condition of AM1.5 1000W/m² 25℃, so the actual output is related to the condition for using like temperature, sunlight direction, shadow, etc. Pmax 50 W is debatable, tested at Tmax 28 and UV = 9, the required I = amp from 2 to 3 A does not come close to this panel. Measured Voltage is 20 V. Not suitable for charging power banks of 44000 mAh or 60000 mAh. Charging smartphones via 5V / 2A is no problem Power banks charged with other solar panel 35 W in 4-6 hours

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