The Black Pearl Ultra is built for serious cleaning power. Its external battery design allows for a larger internal debris chamberperfect for collecting leaves, twigs, and more without clogging. A powerful battery delivers up to 150 minutes of runtime, ideal for larger pools.The 7-quart washable debris basket is easy to remove and clean, ensuring peak performance every time. Designed to scrub both floors and walls, the Black Pearl Ultra reaches every corner with its advanced navigation and Super GELPRO anti-microbial brushes, promoting a cleaner, healthier pool.With simple controls, fast 4-hour charging, and effortless operation, the Black Pearl Ultra makes pool maintenance easy. Just drop it in, and enjoy a sparkling clean poolno hassle, no effort.Experience the future of pool cleaning with the Black Pearl Ultra.