Smart Fast Charging: The Miady exclusive smart charger can charge any slot and any number of batteries independently. A 5V 3A adapter is required for charging, and a full charge can be achieved in just 2., 5 hours compared to a standard NI-MH charger. VERSATILE DAILY USE: Featuring a 2500mWh capacity and a leak-proof design, these lithium AA batteries are perfect for LED candles, kitchen scales, garden... Independent Charging & LED Indicator Miady rechargeable battery aa Merchant video, 1 1., 5V Output 2 Up to 2000 Times 3 2., 5h Fast Charging 4 Easy to Store 5 Safety Protection Long-Lasting 1.5V 3000mWh Li-ion, 8-Pack Rechargeable AA Batteries with Built-in Smart Charging and Storage 2-in-1: Supports charging 1 to 8 Miady AA lithium batteries in any combination, with each slot providing a 375mAh output. We're happy to help. We will respond to you within 24 hours and do our best to help you out it is an ideal choice for high-power devices, suitable for game controllers, VR controllers, camera flashlights, children's toys, doorbells, door locks, etc. Durable and Rechargeable: The leak-proof design and up to 2,000 rechargeable cycles make it a longer lifespan than traditional rechargeable batteries. It is compact in size and easy to carry. 12-Pack Rechargeable Lithium aa Batteries with Charger, 1.5V Constant Output, 3400mWh High Capacity, 12-Slot Double A Li-ion Charger with Smart Charging, Multiple Charging Protections. Rochester and Tienken rd Cash only (Note: This charger is designed specifically for Miady AA lithium batteries., )