Dual Balanced Brush Head: Featuring an automatic rotating dual brush head, this tool effectively targets stubborn stains on Solar Panels. Crafted with high-density nylon filaments, the photovoltaic fiber brush offers just the right hardness to clean thoroughly while protecting your Solar Panels and other surfaces from damage. Ideal for efficient maintenance and care. Efficient Automatic Cleaning: The Solar Cleaning Brush features a 65cm width, allowing one person to clean 500-750 square meters per hour. Its Water-Saving Design minimizes water usage to approximately 1.5-3L per square meter, with total cleaning water consumption around 9-15 tons per MW, making it an eco-friendly choice for Solar Panel Maintenance. 【APPLICABLE SCENARIOS】: The Photovoltaic Panel Cleaning Brush features two modes: Dry Cleaning and Water Washing, allowing you to easily switch between them. This versatile Cleaning Tool is perfect for Solar Panels and is also an excellent choice for Outdoor High-Rise Window Cleaning. Keep your surfaces spotless with ease and efficiency! 【2 POWER SUPPLY OPTIONS】: Wireless(Lithium Battery Powered) and Wired(Power Converter Powered). the lithium battery power is 24V 26AH and can be used continuously for about 4-6 hours. 【APPLICABLE SCENARIOS】: The photovoltaic panel cleaning brush has two modes: dry cleaning and water washing and you can switch between the two. This cleaning tool is not only suitable for solar panels but also the first choice for outdoor high-rise window cleaning.