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Old 03-04-2015, 03:33 PM   #16
auspex
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Originally Posted by Phogg View Post
More like seven hours sunlight per week, not necessarily continuous.
and not necessarily whilst reading.
Well, not quite that much. But on that order, for sure.
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Lying on the kitchen table in a sunbeam next to your car keys while you are doing the laundry or vacuuming could fit part of the bill. or sitting on the dashboard while you are driving.

If there are charging cells on the bezel I suspect clear TPU cases will be popular for this reader.
If you're going to hope to charge it through windows and possibly a clear case, you'll probably need to get twice as many hours of charging.

But the simple fact is that a solar charger for an e-reader is easily technologically feasible.
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Old 03-05-2015, 08:02 AM   #17
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Here is an interesting article (in french, sorry), about a phone made with the sunpartner technology.

http://www.frandroid.com/smartphone/...aique#comments

google translate, in english:
https://translate.google.fr/translat...photovoltaique

Among other things, it speaks of a 10% loos of luminosity. (Don't apply as is to e-ink screen, because of frontlight.)
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Old 03-05-2015, 03:58 PM   #18
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Among other things, it speaks of a 10% loos of luminosity. (Don't apply as is to e-ink screen, because of frontlight.)
Doesn't the frontlight aim the light down through the text, and then it is reflected back to the reader?
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Old 03-16-2015, 01:35 PM   #19
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Yeah, I have a little external solar charger in case of emergency. I also have a little AAA battery powered one. I'd rather have those in reserve than count on the device being solely solar-charged, though I can see its use in improving reading access in some areas of the world where power is hard to come by.
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