Vodafone’s Booster Brolly is an umbrella that uses on-board solar cells and a micro antenna to charge your phone and boost its 3G signal. The umbrella, which is sadly just a prototype at the time of writing, is the result of a collaboration between Vodafone and University College London. There are 12 silicon solar cells integrated into the canopy; together they provide enough juice to run the signal booster, a LED flashlight and a USB phone charger which is able to charge a phone in around three hours. That is a lot of technology for the world’s most commonly misplaced […]
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