A USB solar charger from Portapow. A two solar panel solution that’s rated at 11 watts.
This is one of the smallest and lightest USB solar chargers on the market. They’re able to provide more watts in a smaller space by using high efficiency monocrystalline solar cells.
Although it’s rated at 11 watts, the most I was able to get out of it is 7.5 watts and the official maximum output is stated as 8.5 watts.
I guess that while the solar panels themselves might be rated at 11 watts, the excess is just used to bump up the voltage when the sun isn’t so strong and the output power is still limited to 7.5 – 8.5 watts.
This video was shot in Jan/Feb 2016 in the Philippines. Solar in the Philippines is growing at an extremely fast rate with access to solar becoming easier and more affordable.
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Post time: Jun-19-2017