Worth reading the link below -
Just one quote however:
I’m just going to leave this here. Everything is quoted directly from samsung in their datasheets.
“Don’t heat partial area of the battery with heated objects such as soldering iron.”
“Don’t solder on the battery directly.”
“The cell should not be soldered directly with other cells. Namely, the cell should be welded with leads on its terminal and then be soldered with wire or leads to solder.”
And consequently:
“Otherwise, it may cause damage of component, such as separator and insulator, by heat generation.”
Keep in mind that there is plastic directly in contact with these components you solder and giving excessive heat WILL cause damage. That is undeniable. There is potential to melt the separator and cause an internal short no matter how brief you solder cells.
These are NOT like soldering lipos, as those have heatsinks temporarily placed between the tabs and the cell during soldering to prevent damage.
www.electric-skateboard.builders/t/the-proper-way-to-solder-18650-cells/86878
But not saying that I wouldn't do it :)
Last edited by: sherlock47 on Sun 23 Feb 20 at 17:57
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