This is exactly what ToughTested has done with its range of power banks. Here, I'm looking at a pack from the ROC series, consisting of high-end power banks with built-in solar panels.
Presenter: Chris Vallance
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“We just need to be crystal clear on who we are,” he said. “We haven’t, over the last few years, always done the best job.”
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BMW's i3 prototype on a course in SwedenBMW