[Woodporterhouse] must deal with regular power black outs in his area. He recently converted a rack-mount uninterruptible power supply to feed ... and the battery backup. He already had one ...

[Brink] had some issues with the power supply in their apartment, so they set about whipping up a backup power solution ... and you’ve got a working UPS setup to keep the comms online.

An additional power source that can be used in the event of power failure. See UPS and backup. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

Punjab Health Minister Dr Balbir Singh orders comprehensive power supply and fire safety audits at all state healthcare ...

The new Bluetti AC50B is a dependable choice for casual users, campers or as an emergency backup system for small appliances ...