An important factor to consider when buying an uninterruptible power supply is its software.
Every uninterruptible power supply we’ve listed provides the software you can use to monitor the UPS. If you’re a PC user, this software can also be used to automatically shut down your PC once the UPS power backup battery life is low, which is especially great if you aren’t around to turn off the PC yourself. Aside from this basic functionality, higher-end software will also provide superior monitoring and control features.
In terms of interface, a USB interface is standard. You’ll see a USB interface for every UPS on this list, with the exception of a model that also offers serial connectivity.