This Anker USB-C power bank solved my biggest problem with portable chargers, and it's 25% off right now

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Anker Nano 5000mah 22.5w Power Bank With Built-in Usb-c Connector - Black : Target

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Anker Power Bank Battery Pack, 20,000mAh 22.5W High Palestine

Anker Portable Charger, USB-C PortableCharger 10000mAh with 20W Power Delivery, 523 Power Bank (PowerCore Slim 10K PD) for iPhone 14/13/12 Series, S10, Pixel 4 and More (Black) : Cell Phones & Accessories

Anker's portable 30W battery pack has a built-in USB-C cable and is down to $35 now