How do charge an I-13/I-16 using a power bank?

Note: Follow these steps each time the Powerbank is used.

Connect the end of the power cable that has the 21 mm, angled barrel plug to the DC IN/OUT port on the Powerbank.

Long press (press and hold) the Power button to power the Powerbank.

Double press the Power button to enter the DC output mode.

Make sure the power outlet on the Powerbank o set to 19V. If not, single press the Power button until the 19V LED is on.

Connect the end of the power cable that has the 2.5 straight barrel plug to the I-13 / I-16 Power Connector.