The Xiaomi Mi Robot Vacuum Cleaner is equipped with a long-lasting battery that allows for extended cleaning sessions. With a single charge, it can clean large areas without interruption. When the battery is running low, the robot automatically returns to its charging dock to recharge. Once fully charged, it resumes cleaning from where it left off, ensuring that your cleaning tasks are completed without any hassle. The long battery life and auto recharge feature make this robot vacuum cleaner a reliable and efficient cleaning companion.