Dobrý den, koupil jsem si tento solární panel "Viking Solární panel SP7W" a zkouším jestli funguje. Ale zatím i když na to svítilo i slunce se mi nezačala powebanka nabíjet. Tak jsem si pořídil "V-A metr a měřič kapacity 4-20V/0-3A DC KWS-V20 - USB tester" External Link vyzkoušel jsem ho na klasických nabíječkách a fungoval. Nicméně u solárního panelu se ani nerozsvítil. Jak intenzivní musí být světlo aby měl vůbec nějaký výstup prosím? Jak jej mohu prosím otestovat? Nějak jsem čekal, že i s horšími podmínkami bude mít alespoň nějaký výstup. Děkuji za odpověď.
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