Material Li-polymer battery
Color black/silver/blue/rose pink 
Voltage/Current Input:DC5V/1000mA      Output:DC5V/1000mA 
Charging time 5 hours 
Lifecycle ≥500 times 
Power indicator Yes, four indicators show remaining power 
LED flash light No 
LCD display No 
Input/Output Micro input for charging | One USB output interface 

Capacity 5000-6000mAh for optional