Forum Discussion
DWeikert
Oct 18, 2017Explorer II
With a PWM controller you'd be better off running the panels in parallel. The higher voltage does you no good, other than cut losses in wiring. The loss across your 6' of wire is going to be minimal (.008 ohms to be precise). The PWM controller is basically a fast switch that pulses the current to limit the average voltage going into the battery. You'd be better off with the panels in parallel giving you more continuous current going into the battery as the PWM controller doesn't have to limit the voltage as much.
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