Quote:
Originally Posted by HarryT
The solar cells would almost unquestionably cost a heck of a lot more than the savings in electricity. And how many people are away from power for the several weeks that the typical eInk device will last on a battery charge?
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Solar garden lights cost £1 or less.they have a battery and inverter and solar cell and circuit board.
all for less that a pond.
so cost is not an issue.
i bought a 2 inch by 4 inch panel from ebay for a fiver.
gives about 50 milliamps at 9 volts.