The fellow who invented 5 Hour Energy (those little red bottles offered for sale on the market counter as a last chance buy) is investing his millions into sustainable energy and water purification systems for developing countries.
A result is this very interesting portable power supply that uses solar to power a light, fan, run a computer, and recharge a phone.
The video ads on YouTube are engaging. This may be a useful while on the road for emergency back up or even a minimalist approach for energy on the go.
More will be revealed...
https://hanselectric.in/products/hans-powerpack-300/
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