18650 battery holder for 24 pairs of cells
thingiverse
This is an update on my previous design. Summary I designed a battery holder to fit 24 pairs of 18650 cells from recycled laptop batteries in two rows. The purpose is to create a parallel block for use in a small DIY powerwall with 48P configuration. The "bus bar" slot will accept a 6mm2 twisted copper cable, which I harvested from a mains power cable. Print two per block. I printed one in red and the other in black. To assemble a 7S48P pack producing a 24v output, you'll need to print 14 of these battery holders. For more context and add-ons, check out my old design: https://www.thingiverse.com/thing:1729730 Additional details about this project can be found here: http://www.myonlinediary.com/index.php/Energy/PowerWall
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