Why solar-powered portable batteries are not as reliable as you think (and the best alternative)

The article discusses the reliability of solar-powered portable batteries and provides an alternative recommendation. The author tested a range of solar-powered power banks and found them to be disappointing and potentially unsafe. The article suggests that solar-powered portable batteries may not be as reliable as consumers think, and that there is a better alternative available. The article does not provide specific details about the performance or safety issues encountered with the tested solar-powered power banks, but it does recommend an alternative option that the author considers to be a better choice.
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