After losing my first hybrid inverter via power surge from thunderstike and unable to fix it due to lack of spare parts and good electricians here in ABA --which lead me to resort to the use of separate charge controller and inverter, the questions I ask when buying anything solar system parts include 1) Affordability --of the part & its spare 2) Availability --of the part & its spare; 3) Durability & 4) Easily repaired by locals You're doing a good job bro, keep it up.
I would want to answer this question this,way, all MPPT charge controller have different energy conversion efficiencies. So some will definitely do better than others.