Question Charging Asus VivoBook 15 with a power bank

Jan 31, 2022
I have an Asus VivoBook 15 (input: +20V = 7.5A, 150W) and would like to charge with a power bank.

I have bought a Momax power bank with the below spec:

Capacity: 20000mAh (74Wh)
Input TYPE C: 5V / 3A, 9V / 2A, 12V / 2A, 15V / 3A, 20V / 2.25A
Output 1 TYPE C : 5V / 3A, 9V / 3A, 12V / 3A, 15V / 3A, 20V / 2.25A
Output 2 USB: 5V / 3A, 9V / 2A, 12V / 1.5A
Output 3 USB : 5V / 2.4A (MAX)
Output 2&3: 5V / 3.4A (MAX)
Total output: 63W (MAX.)
Size: 171 X 75.3 X 22.5MM
Weight: 415.7g

Then I have found out my VivoBook does not support a Type C port. So I turn to look for a connector which connects the computer power port to the Type C port. However, I am told that those kinds of connector does not support my VivoBook. Now I have come to a difficult situation. I do not know how I can charge my VivoBook with a power bank. Do I have to buy another power bank? Do I have to buy another connector? Which model shall I buy?

I would appreciate if anyone can help me with this. Thank you very much in advance!
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