Anker iPhone 17 USB-C Car Charger, 167.5W Max 3-Port Ultra-Compact Type-C Fast Car Charger for MacBook Pro/Air, iPhone 17/16/15 Series, Samsung S25/S26, iPad Pro, AirPods and More

To help OOP, here is one that will work: https://a.co/d/09wLiKyk Note that only the first port does 100W (which is typically needed for laptop powering).

You can just get a 12v USB adapter, something like this should work just fine: https://www.amazon.com/dp/B0CZ7BL16W The Switch 2 dock just requires a >50w USB adapter to work. Battery pack is completely unnecessary complication here.

Assuming you have 12v sockets, something like this should work just fine: https://www.amazon.com/dp/B0CZ7BL16W The Switch 2 dock just requires a >50w USB adapter to work.