21.6V Liion battery for cordless vacuums efficiency power: This 21.6V Liion battery provides robust runtime for cordless vacuums, enabling thorough cleaning of small to medium spaces. It maintains consistent suction to tackle dust, dirt and pet hair with ease. Wide compatibility: Engineered to fit multiple handheld vacuum models, this battery offers seamless integration. Its universal design simplifies replacements and delivers reliable performance across various cordless cleaning devices. Durable lithiumion cells: Featuring advanced Liion technology, this battery maintains stable power output over numerous cycles. Its energy density supports longterm use and reduces the need for frequent replacements. Easy tool installation: With a compact size approx. 127 x 75 x 90 mm, this battery installs quickly without tools. Its sturdy build ensures a secure fit and lowmaintenance reliability for uninterrupted cleaning tasks. Use scenarios Home quick cleans: Ideal for small to medium rooms, stairs, and closets where a cordless vacuum is used for rapid tidying and frequent dust collection. Car interior care: Suitable for vacuuming seats, floor mats and trunk areas to remove dust, dirt and pet hair without swapping batteries. Regular upholstery and workspaces: Useful for maintaining upholstered furniture, office spaces and other areas where a dependable, tool replacement battery supports steady cleaning performance.