He does what he has to. Two things bother me: The literature mentions intelligent fan control, which is not true, the fan just runs constantly when charging, regardless of whether it is outputting 75 amps or is in float mode. I called Aims and confirmed it. I also wrote to Aims complaining that their literature was misleading in this regard. I also think it's not a big deal, the markings on both the charger and the inverter are printed upside down. When mounted vertically on the wall to allow airflow from bottom to top, which seems logical, the marking is reversed. Also note that the charger comes with no cables or spade lugs. Otherwise it works great.