This is a worry.
I'm waiting delivery of some used cells myself where some might have this problem... I briefly considering tig welding them myself but the thing with aluminium welding is everything gets super hot because of it's high conductivity. Steel is possible to do a quick pulse and keep...
You don't need all these fancy resistors. I was stuck on this same problem a few months ago, looking up all sorts of 12v water heater elements... eventually made a perfect load resistor in 5mins out of steel wire wrapped around a plank of wood and then submerged in a bucket of water!
It was a...