SolarDIY

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SolarDIY is a vibrant community dedicated to embracing the power of solar energy. Here, we encourage you to showcase your ingenious ideas, innovative projects, and inspiring stories, while also seeking valuable advice, fresh ideas, and fostering meaningful connections.

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Is it safe to connect a small 5W 5V solar panel directly into a portable power bank? (self.solardiy)

submitted 9 months ago* (last edited 9 months ago) by toaster to c/solardiy@lemmy.world

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Can I connect a 5w 5w solar panel directly into a 10k mAh portable battery bank safely via USB 2.0, or does it need some sort of protection in-between like a solar charge controller or a schottky diode?

Example of battery bank (except one with usb 2.0 input): https://www.anker.com/ca/products/a1229

Example of solar panel: https://www.aliexpress.com/item/1005006012344670.html

5W 5V Solar Panel

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[–] Cooljimy84@lemmy.world 1 points 9 months ago (1 children)

Just cause it has a USB plug doesn'tmeans its regulated output.... I suspect its just welded across the output of the panel...

[–] toaster 1 points 9 months ago (1 children)

Would the overcharge protection be handled by the power bank in this case?

[–] Pretzilla@lemmy.world 2 points 9 months ago

Yes it should be fine.

You can measure and the input should become around 5v when charging