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21700 4S li-ion enclosure
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An enclosure for an in-line 4S 21700 lithium ion cells. I use this for FPV goggles.
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Model information
- Source
- Printables
- Category
- Other Gadgets
- License
- Creative Commons — Attribution
21700 4S lithium ion enclosure. There is enough room on either side for welded zinc tabs. The lid screws on top with M2x6 screws and the case needs M2 threaded inserts. The wire opening is big enough for 14AWG main wires and 22AWG balance wires.
I recommend printing this in either PETG or TPU to allow some crash resistance. Brittle PLA would crack easily.
I was able to get 6000mAh cells (10A max drain), so obviously I went with that.