• UNIQUE USB CHARGING DESIGN RECHARGEABLE LITHIUM AA BATTERIES: Unlike traditional rechargeable batteries that require a charger, the SPYONG aa battery rechargeable uses USB charging method and can be charged anywhere there is a USB port for devices, such as computers, wall sockets, mobile power, cars and other devices with a 4-in-1 adapter. Type C adapter can charge 4 batteries at the same time, very convenient and fast
• LONG BATTERY LIFE AND LOW SELF-DISCHARGE 1500 TIMES CYCLE: Our lithium ion aa batteries with type-c charging design, can be recycled, a usb rechargeable batteries can replace more than 1500 alkaline disposable batteries, rechargeable Lithium AA batteries are a convenient power source,providing a reliable and long-lasting energy supply for everyday use, reduce the waste and money expenditure, reduce the pollution of our living environment
• HIGH-DENSITY ENERGY-GATHERING FORMULA: New generation of lithium ion rechargeable batteries adopts a high-density energy-gathering formula, which deeply releases stronger endurance and avoids overheating, short circuits, etc. It is continuously strong, has stable performance, ultra-low self-discharge, and has a long standby time. More than 1 year.Our modern lithium ion chemistry works just like the battery in your phone or laptop so you never have to deal with leaking batteries
• 40MINUTE FAST CHARGING, BUILT-IN INDICATOR: Our aa lithium batteries charging speed than the traditional lithium batteries aa faster than 10 times more, 5 minutes to charge 20%, 30-40 minutes can be fully charged, than nickel-metal hydride rechargeable batteries need to be fully charged in 3 hours to be much faster, charging the LED indicator light blinking, fully charged stop blinking,No more batteries ruining expensive electronic devices
• 1.5V CONSTANT VOLTAGE LARGE CAPACITY: AA large capacity battery rechargeable, embedded with innovative technology, providing constant voltage and optimal performance even under very heavy loads, every section The battery capacity is 3450 mWh, which allows for a high number of charge/discharge cycles and a long lifespan.Constant output of 1.5V for the entire process until the power is completely depleted, keeping your device in top condition at all times