Pool Cleaner Upgrade Our Cordless Pool Cleaning Robot with upgraded 8-blade rolling brush and sliding basket with fine mesh design collects leaves, petals, dirt, hair and insects to clean your pool more efficiently. Solar Charging/Battery Charging The Robotic Pool Skimmer comes with a rechargeable 2500mAh battery and a solar charging system that can be fully charged in just 2-3 hours with an adapter or solar battery. If it's working in the sun, it will recharge itself and keep working. Turn it on in the morning before you go to work and enjoy a clean pool when you get home. Smart Cleaning Our smart pool skimmer robot with ultrasonic radar senses obstacles and automatically turns around or changes course until the entire pool surface is cleaned. You can also control the route remotely using your mobile app to clean your pool as fast as possible.