One hour of uninterrupted use. Removable and long-lasting battery. There is enough power to vacuum the entire house in one go, with a runtime of up to 1 hour. This is due to the durable, removable battery that allows you to replace it with a spare battery, giving you up to 2 hours to clean your home flawlessly. With Samsung's unique technology, the battery retains up to 70% of its original capacity over 500 charge cycles.