Tag Archives: battery

Conclusions: Where, how and when a solar powered mobile phone works best

According to the Guinness Book of World Records, the city of Yuma in Arizona is the sunniest place on earth. Of the possible 4,456 hours of daylight each year, the sun shines in Yuma for roughly 4,174 hours, or about…

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Conclusions: A solar mobile phone’s performance is affected by lifestyle

After four months, our solar charging project has come to an end. In that time we’ve collected huge amounts of invaluable data from places as far apart as the Arctic and Kenya. We already knew that for solar charging to…

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4 solar powered gadgets you can charge your mobile with today

Gadgets for collecting the sun’s rays have been around since the 1830s when British astronomer John Herschel famously used a solar thermal collector box to cook food during an expedition to South Africa. These days, there is a whole host…

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Hiking the Arctic Highlands with a solar powered mobile

The Arctic Char is one of Norway’s most appreciated fish. Not only is it very tasty, but it’s also well known for putting up an epic struggle. It’s this combination of attributes, which made Esa Karpoff, one of our Lokki…

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Trekking in the Arctic wilderness with a solar powered phone

With a population of just 184 000 people, or just two people per square kilometer, Finnish Lapland is one of the least densely populated places in the world. If, then, your job involves spending days in the wilderness, you want…

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Why’s it so challenging to make a solar powered mobile phone?

The sun has been used to power gadgets ever since 1834 when British astronomer Sir John Herschel invented a solar thermal collector box to cook food during an expedition to South Africa. Why then, after nearly two centuries, are we…

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