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Circuit diagram of a solar charger.
where the wires should be connected in the usb out connector <br>
<p>To the positive and the negative wires (the data wires just for data sending / receiving like files from computer)</p>
I tried another project based on this and nearly fried the solar panel and I figured out that the positive from the solar panel should be attached to the negative of the battery pack
How many watts from the solar panel?

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