Eco Factor: Backpacks harness solar energy for charging mobile phones.
For the hikers and vacationers of the future, here is a green backpack that should add an element of solar to your explorations. Allowing you to charge your dying cell phone batteries anytime from anywhere, the Max Solar backpacks from Sun-Plugged will help you keep in touch with your kinfolks always.
max solar backpacks for charging cellphones on the
max solar backpacks for charging cellphones on the
The solar backpacks produce about 4.5 watts on 1 hour of sunlight, which is just enough to provide your cell phone with 1.5 hours of talk time. Another version generates 2.1 watts of power, so 1 hour of sunlight means 1 hour of cell phone talk time. Each backpack retails at around $160. Quite affordable, aren’t these?
Via: Treehugger
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