At that efficiency, a 5-inch by 3-inch panel would generate a maximum of about 1.6 watts.
Obviously, only when it is in good lighting (i.e., not in your pocket).The standard Apple iPhone charge charges at, I believe, 5 watts.
It was more tongue in cheek Jim, but on the other hand, if it charged at 1.6 watts thats probably more than wireless.
I would not want to be working in an office and leaving my iPhone on the windowsill across the room most of the time I'm there, unattended, to get a decent charge.
Perhaps a holder to keep it in place on the roof of the car as you drive around… and then try not to forget you eft it there.
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Posted by: Jim Saklad <jimdoc@icloud.com>
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