25Ah LifePO4 12V battery brackets
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Spacing and positioning brackets that I made for building 4S lifepo4 batteries from 25Ah cells and a normal Daly BMS
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- Printables
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- Electronics
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- Creative Commons — Attribution
I like building lifepo4 batteries; one of the easier to find types of cells I've used are these 25Ah lifepo4 cells that I picked up from batteryhookup.com (they have had them from time to time).
These brackets do a few things:
- Provide fixed spacing between cells to allow for some swelling
- Keep them positioned together
- Provide protection for the terminals
- Look nice
I then added a “lid” which can hold the BMS and has holes to put wires through; I think it turned out pretty nice, so I decided to share. The source fusion360 files are included, including the ones I used to mill busbars from aluminum stock.
Hopefully either this will be useful to someone or at least may help inspire your own adaptation! While I wanted to come up with a good way to use fasteners to connect them I ended up just using tape to hold the cells together and the lid on.
Note that supports are needed for the top piece and for the lid