Longlasting replacement lithiumion battery for cordless vacuum cleaners designed for reliable power, safety, and easy installation. Key benefits Extended runtime: Largecapacity design delivers longer continuous use so you can finish larger cleaning jobs with fewer interruptions for charging. Faster readiness: Supports fast charging to reduce downtime between uses. Safe and durable: Lithiumion cells with builtin overcharge, overdischarge, and shortcircuit protection minimize risk during use and charging and help extend battery life. Broad compatibility and simple installation: Size, interface shape, and electrical parameters are calibrated for compatibility with a range of vacuum cleaners; installs quickly without extra accessories or complex steps. Low selfdischarge: Holds charge well in storage so the battery is ready when you need it. Features Function: Provides steady power output to maintain suction and performance throughout typical cleaning cycles, including heavierduty tasks. Material: Uses lithiumion battery technology for stability and long service life. Safety protections: Internal safeguards include overcharge protection, overdischarge protection, and shortcircuit protection. Design and compatibility: Engineered dimensions and connector design ensure a stable electrical connection and straightforward replacement for compatible vacuum models. Charging performance: Supports fastcharge capability and exhibits low selfdischarge for reliable standby periods. Practical use scenarios Daily household cleaning: Complete routine vacuuming of living rooms, bedrooms, and kitchens without frequent recharging. Deep cleaning and stubborn dirt: Tackle carpets, pet hair, and trapped dust in corners with sustained power for longer brush and suction operation. Largearea or occasional heavy use: Clean garages, workshops, or multiroom apartments in a single session thanks to extended runtime and quick recharge when needed. Notes Designed to maximize vacuum cleaner performance while prioritizing user safety and convenience. Installation is intended to be simple and secure; no additional accessories required for stable power transmission.