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iFixit wants to fix the soldering iron
(www.engadget.com)
This is a most excellent place for technology news and articles.
Have they not heard of the TS100 or the Pinecil?
Both run an open-source firmware and work with any USB-C PD battery pack and still allow you to configure the temperature.
Ts80 that runs on qc3 is also very good. It keeps up with my large soldering station in real world use