The cell won't last if you solder them. You can' help overheating the
terminals. This ruins the separators. They are designed to be spot welded.
You really need to use an inverter welder instead of a capacitance
welder. Should be 4000 amps peak (at least 3000 amps).
Bill D.
On 8/10/2020 6:29 AM, Lawrence Rhodes via EV wrote:
Connecting the A123 cells I am dividing into buddy pairs seems tenuous. I am
thinking soldering may damage the batteries and maybe getting a spot welder
might be smart. I want to use the original case. Gives good separation and
stability. For a 40 amp 60v pack I need 10 gauge wire. Not sure I want to
solder any but the end connections and I'm think a hybrid where I solder to a
metal piece and then spot weld to the pack for safety. Any suggestions?
Lawrence Rhodes
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