Smart & Safe Charging:Granicell smart charger passed US safety certification with chip control, automatically stops charging when full and features an LED indicator Independent Charging Slots:Freely charge any number of AA or AAA Ni-MH/Ni-Cd batteries simultaneously for easier charging High Performance & Long Lifespan:Batteries can be recharged up to 1300 times with 2800mAh high capacity, eco-friendly and free of harmful substances Versatile Compatibility:Works well with a variety of electronics under 1.5V, including high-power devices like digital cameras, electric toothbrushes, and flashlights USB High-Speed Charging:Type-C input allows convenient charging from an adapter, car, power bank, or computer, anywhere and anytime Granicell presents a complete charging solution with 4 packs of 1100mAh high capacity low self-discharge AAA Ni-MH batteries and a smart 4 bay charger. The Granicell smart charger features advanced chip control technology and has passed US safety certification, ensuring a safe and reliable charging process. The charger automatically powers off when the batteries are fully charged and features an LED charging status indicator. Equipped with 8 independent charging slots, the charger allows you to freely charge any number of AA or AAA Ni-MH/Ni-Cd batteries, making charging more flexible and convenient. Each slot uses trickle charge to extend battery life and achieves up to 99% charging efficiency. Granicell's AA rechargeable batteries can be recharged up to 1300 times, maintaining high performance even after full or partial discharge. These batteries are eco-friendly and free of any harmful substances, making them more cost-effective and environmentally friendly in the long run. These high-capacity 1.2V Ni-MH batteries are compatible with a variety of electronics, including high-power devices such as digital cameras, electric toothbrushes, and flashlights, providing your devices with long-lasting and stable power support. Additionally, our charger supports USB high-speed charging with a Type-C input, allowing you to conveniently charge your batteries from an adapter, car, power bank, or computer, anytime and anywhere, meeting your diverse needs.