Precise compatibility for Dyson V8 models This replacement battery is designed for the Dyson V8 Absolute cord vacuum and compatible handheld vacuum cleaner models, ensuring a fit with the 21.6V power system. The tailored design guarantees seamless integration, allowing your vacuum to restore full functionality and serving as an ideal replacement for worn or aging batteries. capacity 12800mAh for extended runtime Equipped with a 12800mAh capacity cell that provides longlasting power to support extended cleaning sessions. Whether tackling large rooms, carpets, or hard floors, this battery delivers consistent energy output, reducing the need for frequent recharges and ensuring you can complete your cleaning tasks without interruption. Stable power output and safe performance Engineered to deliver stable voltage during operation, maintaining consistent suction power throughout the cleaning process. Built with multiple protection mechanisms to prevent overcharging, overheating, and short circuits, ensuring safe use for both the battery and your vacuum cleaner, as well as peace of mind during daily use. Easy installation and maintenance No complex tools required for replacement—simply remove the old battery and snap this replacement into place with a secure, userfriendly design. The battery is ready to use after an initial charge, and its lightweight construction won't add extra bulk to your handheld vacuum, preserving maneuverability during cleaning. Use scenarios Clean a large living room with both carpeted and hardfloor areas, maximizing runtime without recharging. an aging battery to restore full suction and runtime for frequent cleaning tasks, such as daily pet hair or heavyuse sessions. Quick touchups for stairs and small spaces to keep your vacuum ready for backtoback tasks.