Simple battery (18650) spacer tray for welding (zero gap)
thingiverse
You are viewing a simple 4x4 18650 alignment tray. The purpose of this device is to align 18650 batters in a cubic/rectangular format for tab welding with a spot welder. This is a gapless design: the batteries are intended to have the walls touching on all four (some two or three) sides. I didn't clean up the tray in the picture with the cells in it, so it looks a bit messy. Whoops :) WARNING: DO NOT ATTEMPT TO SOLDER LITHIUM ION BATTERIES. THIS COULD RESULT IN A FIRE OR SMALL EXPLOSION. SERIOUSLY. DON'T. Cylindrical cells *must* be spot welded! See my write-up on my novel spot welder design "thing".
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