Continuous cleaning and reliable power Continuous cleaning: with a fullcharge battery, you can clean the entire house in one go without interruptions. Ready on demand: full power is on standby so you can activate strong suction instantly when sudden dust appears. No extra storage drama: spare batteries are compact and easy to store, simplifying cleaning preparation and planning. Extend the life of older robots: lowcost battery replacement helps older robot vacuums stay effective for many years. Key attributes and practical benefits Function: spare batteries and battery replacement option to maintain performance of robot vacuums. Performance: consistent fullpower capability for thorough cleaning sessions. Size and storage: compact spare batteries designed for easy storage and quick swapping. Longevity: affordable upgrade to refresh older machines and delay replacement. Use scenarios After cooking or in traffic areas: quickly switch to full power to tackle lingering crumbs and dust in the kitchen and dining room. Wholehouse daily cleaning: run a single charge through all rooms for a complete home refresh without recharging. Reviving an older robot vacuum: the battery to restore functionality and extend the device's useful life without a unit.