Update after 1 week I only used it 2 times to charge after a longer period of cloudy weather - that's why I bought it. This is with their IQ equalizer module and it's almost perfect for my four GC2 Deep Cycle batteries. A 55 amp charger also works well but is not required. After a discharge of 50-60 amp hours, the batteries only draw the full 45 amps for 10-15 minutes. Thereafter, the internal voltage increases to the point where the current begins its downward curve. In just 40 minutes, the…