Battery：18650 lithium-ion battery
Capacity ：10400mAh
Material：aluminum + ABS
Color：gold, silver, red, blue
Dimension：36 x 98 x 28mm
Weight：386g
Input：5V/1A
Dual output：5V/1A , 5V/2.1A
Charging time：10 -12 hours
LED indicator：4 LED indicators

LED working principle：
when power is ≤25%, 1 LED bright
when power is 25%-50%, 2 LED bright
when power is 50%-75%, 3 LED bright
when power is 75%-100%, 4 LED bright

Cycle life：more than 500 times
Efficiency of conversion：more than 80%
Working temperature：-10°C-45°C
Internal safety：short circuit protection
over current protection
over charging protection
over discharging protection
Certificate：UL,CE,FCC,RoHS
Support device：mobile phones,tablet PC,GPS,PMP,digital camera,MP3/4/5 and so on