· 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 AA /AAA Batteries Ideal for high power consuming devices. Highly Recommended for Xbox controller, Blink video Doorbell, motorized toys, smart home devices,camera,microphone etc.

· USB Recharegeable Lthium AA /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 AA/AAA Batteries can be fully charged in 50 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 /AAA 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.

Bestely AA  AAA Lithium-ion Rechargeable Batteries 5800mAh 1.5V AA USB Li-ion Rechargeable Batteries + 3600mAh AAA 1.5V