Thingiverse
18650 cell pairs battery holder for DIY powerwalls
by paulkennett
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This is a battery holder for 2 rows of pairs of 18650 cells (from recycled laptop batteries). It is used to create a parallel block for use in a small-ish DIY powerwall.
The "bus bar" slot will accept a 7mmx.5mm wide nickel strip OR a 6mm2 twisted copper cable (usually harvested from a main power cable).
Print two per block. I printed one in red and the other in black. So if you want a "24v" pack you'll need 14 of these in total.
The early design had a 1 layer skirt to reduce warping on
The "bus bar" slot will accept a 7mmx.5mm wide nickel strip OR a 6mm2 twisted copper cable (usually harvested from a main power cable).
Print two per block. I printed one in red and the other in black. So if you want a "24v" pack you'll need 14 of these in total.
The early design had a 1 layer skirt to reduce warping on
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