3s1p 21700 pack. I wanted a compact clean design so designed this. Suited to 12AWG wire on the two power cables. they just bend under the cells and solder/spotweld to cell. I personally used 10mm wide nickel strip and you will need to adjust the print if using wider than 10mm strip. Its fairly easy to put together and I hot glued the end caps on (spot weld them together when in one end so you get spacing correct. 4S version also avaliable

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