Solar charger (was Re: News Openmoko Shop Pulster)
lida_mail at 163.com
Wed May 6 01:01:02 CEST 2009
On Tue, 2009-05-05 at 23:33 +0100, George Brooke wrote:
> On Tuesday 05 May 2009 13:19:53 Robin Paulson wrote:
> > 2009/5/5 Christian Gagneraud <cgagneraud at techworks.ie>:
> > > Yeah, why not! :) I never went to the deep jungle, but i like to make
> > > trips in the wild, with just my bike and my tent, and the solar
> > > charger is the only solution to keep my GPS up and running for several
> > > days/weeks.
> > or a hand-crank charger
> > imo, this is a more reliable way of charging the battery - it'll work
> > anywhere (in a building, underground, when it's raining), anytime
> > (night) and is going to produce a bigger current than this size of
> > solar panel
> > does anyone know of any decent crank chargers that will output over usb?
> Some wind-up torches can charge mobile phones, I've emailed one place to see
> if they can tell me what power theirs can output but no reply yet.
I think the theory might be the same.
solar board charge internal battery, and then battery charge phone.
crank output charge internal battery, and then battery charge phone.
The question is how much mAh crank output and how much time it take to
charge the internal battery. :)
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Daniel.Li <lida_mail at 163.com>
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