also 1x20mm is like 0.0310001 sq-in
https://stormpowercomponents.com/resources/ampacity-tables/ampacities-of-copper-alloy-c11000-busbars
means a 150 amp load will create a 65C temp rise.
Those cells doubled can put out perhaps 1000 amps peak, but it has to go through that 1x20mm connection.
you might want to double/triple up on those, depending on the application.
https://stormpowercomponents.com/resources/ampacity-tables/ampacities-of-copper-alloy-c11000-busbars
means a 150 amp load will create a 65C temp rise.
Those cells doubled can put out perhaps 1000 amps peak, but it has to go through that 1x20mm connection.
you might want to double/triple up on those, depending on the application.