Charge USB C PD Power bank from laptop

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so I have a POWERADD EnergyCell 10000mAh PD Powerbank.
I can charge it using a USB C/USB C cable from my Galaxy Note 10 25W Charger.
Also I can charge it from my Laptop using USB A to USB C Cable.

But when I connect it to my Lenovo P71 via USB C/USB C, it seems to try to charge the laptop (which will not charge with 18W or the 25W charger of the Note 10).

I actually would need to tell one device, that the power should go from the laptop to the power bank.
Anybody have an idea, or a power bank which is charging that way?

My P71 still has USB A ports, but in the near future I want to charge my USB C Power Bank from my USB C Only laptop.

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power bank, power delivery

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