Dual brush head rotation balance force: This electric solar panel cleaning brush features an automatic rotating brush head designed to remove stubborn stains, increasing work efficiency by up to 80% compared to manual wiping and reducing manpower needs. Flexible size options: Available with extendable poles in various lengths to accommodate different height requirements, ensuring convenience for cleaning tasks at elevated positions. Dual power supply design: Offers two power connection methods, including a lithium battery model for portable use and a power converter model, with options for continuous operation and easy charging. Efficient automatic cleaning: With a brush width of up to 65cm, this tool allows a single person to clean large areas per hour, featuring a water-saving design and high-density nylon filaments that prevent damage to surfaces. Applicable scenes: Supports both dry and water cleaning modes, making it versatile for use on solar panels, outdoor windows, RV glass, store signs, and other similar surfaces.