There are 4 bands: 1, 2, 3, 4
The manual said 1 and 3 are supplied by the same module, if my terminology is correct. Same for 2 and 4. So, if charging 2 batteries, should use band 1 and 3, and 2, 4. Am I correct? If so, why?
In my opinion, I would do 1 and 2, or 3 and 4. So that each of the 2...