Human power at extreme level,be nice to your battery its working hard.

Do they make something like that to power both of my kid's cell phone? It would help to keep their data usage at a minimum.
 
I wish someone would rig a computer desk with pedaling for power (option) assuming you can put out enough!
Want to browse?
Gotta pedal for it!
Think of the shape this country would be in! LOL
 
I've seen some stand alone stationary bicycle/generator devices that some humanitarian groups are supplying places with no electricity. An hour a day pedaling can supply enough juice for their household demands stored in batteries.
 
700 watts is hard to do for a minute but plenty of recreational riders can doo 200-300 watts for 1+ hours. And some pros can do 400-450 watts for an hour.
 
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