I found a battery pack with an AC outlet, strapped it to the Mac mini, and turned it into a portable, headless computer ...

Apple's new compact Mac draws very little power. One owner has combined it with a battery pack and uses the Mac mini M4 as a ...

and it’s obvious in the Mac mini. For example, the CMOS battery is designed for access without diving deeper into the machine. In fact, it’s the only component that’s readily accessible.