How to test the working voltage of solar panels
240KW/400KW industrial rooftop - commercial rooftop - home rooftop, solar power generation system.
How to Test Caravan Solar Panels. Testing your solar panels involves a few simple steps that you can easily perform: Step 1: Measure Open Circuit Voltage (Voc) with a Multimeter. The open-circuit voltage is the maximum voltage that the solar panel can produce. To measure this: Set your multimeter to Direct Current (DC) Voltage.