DIY FPV field pack from refurbished li-po cells

I made a DIY field charging pack for flying FPV drones and simultaneously charging your packs while on the field. It is made from 24 rufurbished li-po cells wired in 6S4P configuration. It has a capacity of 22000 mAh on 22,2 V or 490Wh. It can charge up to 20 pacs with a single charge.

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