How many solar panels do I need to load 16 eve Lifepo4 batteries (48v system)?

[iamrich]

So would 6 of these work if I have 4 aimed at South and 2 at west?

No matter what array you decide on, make sure all of the panels on each MC4 input to the controller are facing the same direction. In the example you mentioned, run the 4 aimed south on one string (4 in series), and run the 2 pointed west on one string (2 in series).