APC 1500VA UPS is best featured product in Back-UPS. It comes with many firsts: It comes with an LCD screen where you can actually see and monitor every UPS parameter even without any prior knowledge of power or UPS functioning. It has power saving feature there is a master outlet where you can connect your PC and one slave outlet where you can connect a load like printer. When you switch off your PC printer will automatically switch off and not be on power saving mode where it still consumes minimum power. It has two 9Ah batteries onboard for good runtime and you can buy external battery packs BR24BPG-IN for extended runtime that will ensure that your PC continues to work long after the power shutdown. It comes with 4 battery backed cum surge protected sockets to connect your computer and peripherals (one of them is master socket). Two surge only sockets can be used to protect a larger load like printer, scanner etc that do not need power backup (one socket is slave). It allows graceful shutdown of PC when battery is fully discharged so that you don’t loose any unsaved work. Built in AVR ensures that your PC can continue to work on grid power even in low or high voltage conditions preserving battery for the time when you really need it. Surge protection ensures that your connected loads are protected from incoming surges. There is also protection from surge that travel thru LAN or ADSL broadband networks. It comes with 2 year warranty that includes battery. The feature list can go on when it comes to protection from power outages millions of people around the world only trust one brand name APC the name that stands for quality and reliability.