There are already plenty of gadgets that allow people to charge their mobile devices while off the grid. Most of those products utilize solar power, while a few have gone the thermoelectric route. The ...

The dual power options -- corded or cordless -- are a huge bonus. Plug it in for all-day use at home or take it on the go with the rechargeable lithium-ion battery, which delivers up to 12 hours of ...

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This portable new product promises energy on the go – and we don’t mean a Power Bar. Bourne Energy’s Backpack Power Plant is a hydroelectric generator that you can strap on just like a bookbag. It can ...

My flat in London can get extremely hot, thanks to the combination of it being in a new-build block and the city’s humidity during the summer. In previous years, that was a problem. But not in 2025, ...