* Uninterruptible power supply (UPS) models incorporate rechargeable batteries that retailer just enough electricity to allow the user sufficient time, while in the occasion of the blackout or brownout, to correctly preserve information in memory and properly flip off the device. all lessons and interfaces inside the superclass hierarchy (e.g. https://kameronw3klk.blog2learn.com/81570739/the-greatest-guide-to-uninterruptible-power-supply-cyberpower