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Why you should stop using your solar-powered power bank
I've spent the summer testing solar-powered power banks. It turns out the devices are universally rubbish and potentially unsafe. Here's what to use instead.
I've tested nearly two dozen solar-powered power banks, ranging from devices purchased online to ones bought from camping and outdoor supply stores. Using such a device means placing a power bank, a box filled with lithium-ion batteries, in direct sunlight. The bottom line is that I can't recommend a single solar-powered power bank.
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