Still Don't Get It (Solar)
What will charge 2 6v golf cart batteries better, a single 270 watt high voltage panel with mppt or two 135 watt 12v panels (parallel) with PWM and why???? Thanks. Gman
Forum Discussion
One system might charge marginally better than the other but practical considerations like space and cost should rule in the end.
For a small 2 battery system, both should be able to keep up unless you are in marginal light conditions or you are draining the batteries way down at night and still drawing significant amounts during the day, but in that case, you probably want to upgrade the battery bank also or add another charging source.
The first step should really be an energy audit where you estimate how many amp-hrs you will use when off grid. Then based on that, you can determine how big of a battery bank you need and how much charging capability you need.
For a small 2 battery system, both should be able to keep up unless you are in marginal light conditions or you are draining the batteries way down at night and still drawing significant amounts during the day, but in that case, you probably want to upgrade the battery bank also or add another charging source.
The first step should really be an energy audit where you estimate how many amp-hrs you will use when off grid. Then based on that, you can determine how big of a battery bank you need and how much charging capability you need.
