To check the default voltage of your device:

Step 1a:
Refer to the "OUTPUT" label of your AC-DC adapter for your device - to check the "Output" requirement

Step 1b:
Refer to the specification label stuck at the bottom of your device - to check the "Input" requirement.

 

Step 2:
To select the output voltage, push the Voltage Selection Switch on the Power Bank casing to 16V or 19V to match the power input requirement of your laptop computer. The 16V output can be used to power 15~17V laptop computers; and the 19V can be used to power 18V~20V laptop computers.

 

Step 3:
The 16 tips that come with the Power Bank work with most laptop computers & some other digital devices. Select the tip that fits into the DC-IN socket of your laptop computer tightly and snugly.

 

Step 4:
Connect one terminal end of the power output cable (provided) to “OUT” socket of the Power Bank and the "Power" LED indicator of the power Bank will turn red.

 

Step 5:
Connect the other terminal end of the power output cable to the tip that has been inserted into the DC-IN socket of the device.

 

Step 6:
Now you can provide continuous power to your laptop computer using this Power Bank!

 

Note:
This Power Bank can provide power supply to devices with different voltages at the same time.