Solar Panel can be used for many applications, our high-quality monocrystalline 550w solar panel works in both sunny and overcast conditions. Ideally suited for a motorhome or large caravan. Description And Features: This 550w solar panel is powerful enough to keep your battery charged over long periods away without starting the generator or plugging it into an external source. Comes with MC4 connectors so they are easily added to a string and protected from the wet weather. MCS certified, fully weatherproof, and professionally made with high-quality components. You will require a charge controller to regulate the flow of energy into the battery. What's in the box 1 x Monocrystalline Solar Module 550w