Need your $0.02 on charge controllers
Currently I have a 50 watt panel with a Sun Saver 10A charge controller. Based on my needs/wants/calculations/funds/roof space etc, I want to add another (2) 100-150 watt panels. I am going to do t...
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Hi BFL13,
It is not quite that simple. There is no question pwm is cheaper, and no question that MPPT will drag more amps out of the panels given the same total wattage. It's that simple.
The cost differential is mitigated a bit by the cost per watt on higher voltage panels being lower. It doesn't level the playing field. pwm is still cheaper, over all.
It is not quite that simple. There is no question pwm is cheaper, and no question that MPPT will drag more amps out of the panels given the same total wattage. It's that simple.
The cost differential is mitigated a bit by the cost per watt on higher voltage panels being lower. It doesn't level the playing field. pwm is still cheaper, over all.
