Here is Some Reviews And Description About the XIAOMI 10400mAh Power Bank
Battery capacity: 3.6V 10400mAh
Battery type: 18650 battery
Interface: Micro USB(input), USB(output)
Input: DC 5V, 2.0A
Output: DC 5.1V, 2.1A
Charging time: about 5.5 hours with 5V/2A charger
Charge temperature: 0℃-45℃
Discharge temperature: -20℃~+60℃
Color: Silver, Gold, Red
Size: 90.5 x 77 x 21.6mm
Compatible with iPhone, HTC, Samsung, smartphone and Tablet PC(the power bank will adjust the output power automatically to meet different devices’ needs)
Human engineering round conner design, more comfortable to handle.
With anodic oxidation technology, the color will keep fresh.
Function: Short-circuit Protection, Input Overvoltage Protection, Output Over-Current Protection, Output Overvoltage Protection, Over-charge Protection.
Four LEDs to show battery level.
1 x Power Bank
1 x USB Cable
More Details You Can Get From The Below Videos: