UPS or an uninterruptible power supply is a device which immediately provides backup power during power failure. A UPS is normally used for computers or other devices such as networking equipments, cctv security surveillance, WiFi, printers, dasktop etc. This will allow the users to save everything to avoid data loss and properly shut the computer down. Having a UPS in a company is mandatory. Based from our experience, it has to be taken at first priority to have a UPS in order to prevent downtime.