Li-Ion 21700 Cell Spacers: 2x1 to 12x3
thingiverse
These 21700 cell spacers impose structure to battery packs, as well as isolate individual cells. The spacer sizes are 2x1, 2x2, 3x1, 3x2, 3x3, 4x1, 4x2, 4x3, 5x1, 5x2, 5x3, 6x1, 6x2, 6x3, 7x1, 7x2, 7x3, 8x1, 8x2, 8x3, 9x1, 9x2, 9x3, 10x1, 10x2, 10x3, 11x1, 11x2, 11x3, 12x1, 12x2, and 12x3. These should satiate the needs of most R/C vehicle battery pack builds. Once the cells are fitted in the spacers, spot-weld nickel strips to the terminals in the desired series-parallel configuration, solder on the power lead, and apply shrink wrap around the battery pack to insulate the terminals.
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