CALB 72Ah and CA100 cells have stopped production and the production line has been disassembled.
Our 75Ah cells is a good replacement with exactly same dimension as CALB CAM72Ah but higher energy density, you don't need any change on your current battery system design.
Here is the parameter comparation for your reference:
And our LF100 offers 60% higher energy density
Our 75Ah cell pictures: