1.Capacity:5500mAh(Lithium polymer)

2.Output:DC 5V,16V,19V,3.75A(16V),60W Max

3.Input Voltage:15V-23V

4.Color:silver grey

5.Weight:about 530g

6.Dimension:Lmax185mm xWmax126mmxHmax13.5mm

7.Button:the output voltage and capacity checking indicated through the same button.

8.Indicator:5 green when LED to indicate the capacity . The last LED in green when full charged , it's red when charging.

9.Charge port:DC port

10.Discharge port:USB ,out DC port.

11.Product Description :This is universal external battery pack,Applicable for 80% models of laptop,compatible with all digital devices  charged by USB port.11.Product

characteristic:Elegant appearance, Power your laptop up to 3-5 hours' run time.

12.Supply emergency power to 80% models of laptop,compatible with all digital devices charged by USB port.