Safety and stability: A+ level Liion cells and an intelligent protection chip provide comprehensive protection against overcharge, overdischarge, overcurrent and overvoltage to ensure safety and extend battery life. It carries CE, FCC and ROHS certificates. Versatile model fit: This rechargeable battery is compatible with a range of vacuum cleaner models, making it a practical replacement option. To ensure seamless integration and reliable power, please confirm your vacuum model details before . Extended cleaning sessions: Engineered for efficient energy storage, the battery delivers longer runtime, allowing the vacuum to cover more area or tackle multiple cleaning tasks on a single charge. Its power output remains consistent from start to finish. Robust cycle durability: Constructed with materials, the battery endures hundreds of chargedischarge cycles while maintaining capacity. This longlasting performance minimizes replacements and offers lasting value. Comprehensive safety measures: Builtin safeguards protect against overcharging, short circuits and voltage fluctuations. These features support safe charging and use, safeguarding both the battery and your vacuum cleaner. Practical use scenarios: Replacing a wornout battery to extend runtime for large homes or multiroom cleaning. Providing a spare battery for busy households to ensure uninterrupted cleaning during long tasks. Using as a reliable option for vehicles, garages or offices where downtime must be minimized and power consistency is important.