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Will you pack it in your rucksack alongside your Baylis radio and torch?
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Read more.Quote:
Will you pack it in your rucksack alongside your Baylis radio and torch?
They need to at least have the potential for cranking to provide enough power to run the thing - 1 minute cranking for 30s screen time isn't going to cut it (iPhone charger that is).
unless you want a huge cranking mechanism I can't see how you will get it to provide more power
Crank on the back of a basic 2G phone with an eInk screen would be more practical than a iphone I think.
I'm waiting for a wind powered generator. Flatulence has got to be useful for something....