This product uses the latest A-grade battery cells and high-quality intelligent circuit protection boards integrated into a newly designed battery.

· 1.5V Rechargeable Lithium AAA Batteries Ideal for high power consuming devices. Highly Recommended for XboxX controller, Blink video Doorbell, camera, motorized toys, smart home devices, microphone etc.

· USB Recharegeable lithium AAA batteries compact and stylish design leads a new trend. Not only convenient for home storage and indoor use, but also for in backpack storage and outdoor use as your pleasure.

· The LED light displays charging status. Flashing Green indicates charging, Static Green indicated fully charged. All AAA Batteries can be fully charged in 40 minutes.

· Low-voltage battery can be activated. Even if the battery voltage is 0V, the charger can activate and refresh it. However charging unused lithium aa batteries every increase usage life.

·The battery pack comes with a USB charging cable. Please use a 5V charger to charge the battery, such as your phone charger.

If you have any other question or concern regarding this product, please contact us to help you resolve the problem. We will respond to your question within 24 hours. Thank you!