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There is no diagram and no way to understand how you wired it all. Just music and nothing to make it really understandable. Too bad.
I don't understand if the step up inverter/charging module is strictly necessary since I've read that all modern phones have a built in charging controller circuit and they are able to manage the ma/h and voltage. So is it true that I could connect a solar panel to the phone straight away? I just ordered a 5v, 4W module.
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