Hi, My name is Marcus Riddle from the USA. Looking for a cleaning tool for a solar panel then one of the most common types of solar panel cleaning equipment is a soft-bristled brush. These brushes are made of synthetic or natural fibers and are designed to gently remove dirt, dust, and other debris from the surface of solar panels. They may also use specialized cleaning tools, such as squeegees or pressure washers, to remove stubborn dirt and debris.