What Size Charge Controller For 200w Solar Panel If you have a 200W solar panel, you may have wondered what size charge controller you need to use. The charge controller is an essential component of any solar power system, as it helps regulate the flow of electricity from the panel to the battery bank.
You can use this calculator to select the right size charge controller for a 200W solar panel. For my case, I selected the following parameters for the calculator: Solar Panel Watts: 200W. Battery Voltage: 12V. Voc of solar panel: 23.85V. Based on these parameters, the calculator gave me a result of a 20.8A charge controller. An 800 watt solar panel set up is a good size for 4 people with a large RV or camper with roof space for the panels. 800 Watt Solar Panel Wiring Diagram in Series with 4 x 200w panels. the fuse between the solar panel and the solar charge controller should be 1.3 times the size of the lowest Optimum Operating Current of the panels in