Do It Yourself

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Charging a solar powerbank with external solar panels? (beehaw.org)

submitted 1 year ago by [email protected] to c/[email protected]

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Hiya, I hope I'm not completely in the wrong place (/c/Technology seems to only be dedicated to tech news but not questions). I have this powerbank with a built-in solar panel. The powerbank itself seems great so far, but it's a pretty tiny solar panel. I've read about the difficulty of just hooking up a regular powerbank to a solar panel (spikes and dips in voltage due to clouds, people, etc.).

But since this powerbank is already designed to be charged with solar energy, can I simply hook a big-ass solar panel onto it and recharge it much faster than the officially displayed "several days, depending on the weather"?

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[–] [email protected] 3 points 1 year ago

You would not be able to accomplish this without an inverter setup. The only way those little powerbank things work is because those panels barely charge the bank, and the charging happens at a trickle rate that doesn't harm the cells with current variation.TLDR the power bank is just normal battery cells, the panels are just a bit gimmicky.