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Universal Compatibility for High-Drain Gear: Designed for high-performance reliability in Smart Door Locks (Yale, August, Schlage), Gaming Controllers (Xbox), Wireless Keyboards, Toys Includes 4x AA Batteries Rechargeable Lithium and a 4-in-1 USB-C Charging Cable, Charger—ready to power your entire smart ecosystem out of the box
2500+ Cycles & Friendly Investment: One set of our 2500-cycle rechargeable AA batteries Lithium replaces up to 10,000 disposable alkalines, saving you hundreds of dollars and significantly reducing landfill waste. With zero memory effect, you can top them up anytime without sacrificing long-term capacity—a sustainable choice for the modern home
Fast USB-C Charging with LED Indicator: No bulky charger needed! Each battery features a built-in Type-C port for direct charging via power banks or laptops. The intuitive Dual-Color LED (Flashing Green: Charging; Solid Green: Full; Red: Error) provides real-time status. AA Rechargeable Batteries Lithium Fully fueled in just 2-2.5 hours to keep your workflow uninterrupted
Variable Voltage High Capacity: 1.5V Power & 4100mWh – Experience the performance of our 4100mWh high-energy AA lithium batteries. Similar to traditional batteries, our cells feature variable voltage output, with voltage gradually decreasing as they drain. As a result, your smart locks and high-drain flashlights may experience dimming or reduced speed as power depletes – AA rechargeable lithium batteries, adaptable to various operating conditions.
SMART LOW-BATTERY ALERT — These 1.5V USB-C rechargeable AA lithium batteries lower voltage at low power to enable low-battery warnings in compatible smart door locks, keyless entry locks and door/window alarms. Check device compatibility before use.
SMART LOW-BATTERY ALERT: These 1.5V USB-C rechargeable AA lithium batteries lower voltage at low power to enable low-battery warnings in compatible smart door locks, keyless entry locks and door/window alarms. Check device compatibility before use.
