Specification:

Product name: Li-ion rechargeable battery
Type: AAA/AA
Capacity: 3800mAh/3000mAh
Voltage: 1.5V
Maximum discharge current: 2A
Temperature: -40℃~60℃
 

Feature:

[SAVE MONEY]:
AA/AAA Li-ion Batteries: high energy density li-ion cell with low self-discharge rate, no memory effects, idea for the household devices like clocks,  remote, cameras,flashlight.
Reuse the batteries repeatedly. Be eco-friendlier and more cost-effective.
[High Performance AAA/AA Li-ion Batteries]:
 3800mAh and 3000mAh 1.5V USB li-ion AAA /AA battery with high capacity, provide steady voltage until the whole cell is depleted, long lasting in the  devices.
Very low self-discharge, you can store for a long time.
[EASY CHARGING]:
You can charge 4 batteries just plug any USB port to charge four batteries at once with included 4 in 1 cable.
 Quick Charge in 2H: Advanced iQuick charging technology with DC 5V/2A USB input, full charge 4 batteries in 2 hours withBuild-in LED light shows the  charging process, Green light flashing on means charging, Green light is always on means fully charged.
[Protected AAA /AA Lithium Batteries]:
Designed for a safe operation with PCB protected chip, supports multiple safety features.