Thread: Solar Power?
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Old 02-23-2023, 01:33 PM   #16
j.p.s
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Quote:
Originally Posted by Calenorn View Post
Thanks all. Sounds like the power demands in smart phones has grown faster that the ability of solar cells. I got the impression that solar cells are lighter and less expensive than they were, but I guess they haven't gotten any faster.
They have by a lot, just nowhere near as much as the power demands of handheld devices. There were inbuilt solar cell calculators over 40 years ago that would run on office lighting. The total solar cell area was a few square cm. Cheap solar cells are around 3 times more efficient now, but a phone needs around 1000 times more power.

Quote:
Originally Posted by Calenorn View Post
If I designed the world I would make an eink reader with a solar panel on one side and the screen on the other. Waterproof with a rugged case for camping.
It was tried around 10 years ago, but it didn't pan out.

https://www.mobileread.com/forums/sh...d.php?t=213065
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