Thingiverse
DIY 6w Solar Charger
by EpicHardware
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The solar panel is 9v 3W (search on eBay "9v 3w solar panel").
You can use 5v or 6v solar panel if you only want to use it for 5v output, i decided to go with 9v because i want to be able to charge 2 cell lithium battery pack (8.4v).
The two solar panels are connected in parallel and the maximum they can supply is about 550mA at 9v which then you can use a dc to dc step down converter to 5v.
You can use 5v or 6v solar panel if you only want to use it for 5v output, i decided to go with 9v because i want to be able to charge 2 cell lithium battery pack (8.4v).
The two solar panels are connected in parallel and the maximum they can supply is about 550mA at 9v which then you can use a dc to dc step down converter to 5v.
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