444WH DIY Field Power Bank for Mavic 3 or any drone.

[zeusfl]

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DIY 444WH (120,000 Mah) Power Bank for charging drone batteries at the field.

I want to share one of my projects that I finished to charge batteries at the field, but also can charge any USB-C/A device including 2 120W port charging. This DYI power bank using 24 Cells of Samsung 21700 5000 Mah 25C can produce 444 Watts Hour or 120,000 Mah of capacity. Can output 320W...

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