What is the opinion of Reddit about the
Makita DCM501Z 18V LXT® / 12V max CXT® Lithium-Ion Cordless Coffee Maker, Tool Only?

Don’t know how well it works but this could be a decent option.

Just bring your Makita Coffee Machine and you can have it brewed fresh at your seat.

https://www.amazon.com/dp/B072FQ3YN4/ref=cm_sw_r_cp_apa_fabc_K6XE1MDG43JC8M86Y6S4