4200mWh Rechargeable Lithium AA Batteries 4 Pack with Charging Cable, 1.5V High Capacity USB-C Double A Li-ion Battery for Blink Outdoor Camera, Remote Controls, Flashlights, Toys

4200mWh High Capacity & 2000 Rechargeable CyclesThese rechargeable lithium AA batteries deliver 4200mWh high capacity and steady 1.5V stable output for extended running time. With 2000 recharge cycles and no memory effect, they are more economical and dependable than disposable alkaline batteries. Convenient USB-C Fast ChargingThese USB-C rechargeable AA batteries include a 4-in-1 charging cable, so no extra charger or adapter is required. They reach a full charge in 23 hours. A built-in LED indicator displays charging status: flashing green means charging, solid green means fully charged. Multiple Smart Safety ProtectionThe built-in safety circuit guards against overcharge, overcurrent, overvoltage, overheating, and short circuit. Charging automatically halts when full for safe everyday use. Wide USB Charging CompatibilityThese rechargeable lithium AA batteries come with built-in USB ports, enabling easy charging from laptops, power banks, wall adapters, and other USB power sources. Best UsesIdeal double A batteries suited for blink outdoor cameras, xbox controllers, remotes, wireless mice/keyboards, toy cars, flashlights, and most high-drain electronics