What is the Difference Between Optimum Operating Voltage (VMP) and Open-Circuit Voltage (VOC) on a Monocrystalline Panel?

When you look at the specs on a monocrystalline solar panel, you will see VMP and VOC. Knowing the difference helps you choose the right charge controller and avoid damaging your system. VOC is the maximum voltage the panel produces with no load, like a battery. VMP is the voltage when the panel is actually … Read more