If you have a smartphone, Bluetooth headset, or a smartwatch, you'll know all too well how short battery life has become. Some of us charge our phones and gadgets twice a day, while others carry around spare USB power sources.
But what if that too goes flat and find yourself miles far from the nearest power outlet? A portable solar panel might work, but not when the sun goes down. This is where the Chargebrella could step in. Resembling an umbrella crossed with a lightsaber, this Slovak invention could revolutionise the way we charge our gadgets. But how does it work? Gavin Shoebridge spoke to Daniel Šlosár from Chargebrella to find out more.
Chargebrella
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