A 550-watt solar panel made of mono-crystalline cells is a high-efficiency photovoltaic module designed to convert sunlight into electricity. Mono-crystalline cells are made from a single silicon crystal, making them highly efficient and long-lasting. This panel can be used for a variety of applications, such as residential or commercial solar systems, RVs, boats, and off-grid power systems. It is designed to be durable and withstand harsh weather conditions, with a sturdy aluminum frame and tempered glass covering. The 550-watt rating indicates the maximum power output of the panel under ideal conditions.