Hi there, I'm Michael with etrailer.com. Today we're gonna take a quick look at this Go Power PWM Solar Charge Controller. This is a 20-amp solar controller that's gonna act as basically, an intermediary between your solar panels and your 12-volt or 24-volt lead-acid batteries. This is going to monitor the power that's coming from your solar panels and adjust that output as it sends that on to… see more >