Hacker News with Generative AI: Power Supplies

Mini UPS with replaceable batteries and DC, PoE output (cnx-software.com)
Most uninterruptible power supplies (UPS) require AC voltage and use specific batteries that must be changed every few years. But those may be oversized and not the most efficient if you just want to keep single board computers (SBCs), low-power mini PCs, routers, or security cameras up and running during power failures.
USB-C PD for an industrial Cisco IR829 router (eloydegen.com)
I bought a second hand Cisco IR829 in a thrift store for 25€ without a power supply.