Quote:
Originally Posted by surquizu
- Cable USB micro (about 4 eur.)
- Pair of solar panels 5v (about 6 eur in aliexpress)
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Don't you mean a pair of 2.5V panels?
1)USB is 5V
2)It appears you wired them in series (black wire between) without a charge controller. Did I obsevve incorrectly? I now see the attachment to the USB wires has them in parallel
3) Great job
Aliexpress had a 5V 5W folding charger (almost the same current as a standard Kindle charger) for a fast charge, but it is a bit larger than the device