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4s 32700 LFP LiFePo4 12.8v battery case
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0.24mm layer, 2 walls, 15% infill
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5.4 h
3 plates
Open in Bambu Studio
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Description
This is a 4s LFP (LiFePo4) cell holder, to make a 12.8v (nominal) battery, from inexpensive 32700 cylindrical cells.
THIS MODEL IS STILL A WORK IN PROGRESS - I'm working on a better end cap, but for now it's just a hole to let a XT60 and some wires out.
The cells are currently (early 2026) very cheap on sites like AliExpress. I bought B grade cells and mine came out about 5Ah, which is not bad for the price and size
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