1 The fire-side charger
What charges your phone while
warming your soup? It is a BioLite’s CampStove. A portable stove for the
outdoor gadgeteer, this nifty contraption uses the heat from a campfire to
generate electricity by way of a thermoelectric generator, which then powers a
fan to create airflow for improved combustion. Surplus electricity is sent to
the USB port for use in charging electronic devices. Basically, plug in your
phone, sit around burning wood and toasting marshmallows for a while and, after
around two hours, your empty smartphone will be back to life. The BioLite CampStove might not be the most
useful phone charger in the market, but it certainly works and you have to give
its creators points for out-of-the-box thinking.
The
sun
If you’re really keen on using
fire to charge your phone, you may just want to consider going all out by using
the sun You know that massive ball of burning gas at the centre of the solar
system. Well, it turns out that it throws off astonishing 400 trillion watts on
regular basis – roughly the amount of energy it will take to power 500,000
years of our current civilisation in a single second. And, yes, that includes
charging phones. Of course, harnessing the sun’s rays is the tricky bit — which
is why we can be thankful for the Solio Bolt Solar Charger + Battery Pack from
the aptly-named Better Energy Systems. With its on-board battery and rotating
solar panels, the Solio Bolt charges can charge USB-powered gadgets ranging
from smartphone to MP3 player, e-reader and cameras. The maximum voltage is 5V;
but there are a few more ingenious ways to recharge your batteries. On average,
a smartphone will take around three hours to go from zero to full. Hey, who
could dislike a gadget whose slogan tells us to just ‘Plug into the sun’?
Read
more at: http://punchng.com/five-ways-charge-smartphones-without-chargers/
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