Kratax 3700mWh AA Rechargeable Lithium Batteries with Charger, 8 Pack high Capacity Double A li-ion Batteries 1.5v, Long Lasting, Charging Storage Box with AA Lithium Battery Rechargeable

High-Capacity & Stable Output: Kratax AA lithium batteries rechargeable with 3700mWh high capacity and stable voltage and current output ensure more stable device performance. Up to 3A of current output is ideal for high-current applications, with over 2000 cycles.
Integrated Charging Storage Case: 3-in-1 battery charger that stores, charges, and protects the battery. When not in use, the lithium battery can be stored inside the charger, saving space and making it easy to carry. Note: This charger and lithium battery are not compatible with other brands.
Smart LED Display: Flashing green light indicates charging. Solid green light indicates a full charge. Flashing red light indicates short circuit, incorrect battery type or battery +/- polarity errors. The charger has a 0V activation function that allows charging even 0V batteries.
Lower Self-Discharge & Multiple Safety Protections: Kratax AA rechargeable lithium batteries retain 80% of their charge even after months of storage, making it easy to replace depleted batteries when needed. They also feature an intelligent protection IC chip, an explosion-proof module, and multiple charging protections to ensure battery and device safety.
Widely Compatible: Suitable for outdoor cameras, game controllers, solar lanterns, remote control cars, flashlights, recorders, mouse, keyboard, clock, remote control and electric guitars etc..
3H Fast Charging: The Type-C charging port is compatible with various inputs, allowing you to charge using a PC, wall outlet, power bank, or car charger. It charges quickly about 3 hours. A 5V-3A adapter is required.