| If you have ever lost important data due to a power | | | | expensive. The primary power for an offline UPS is |
| failure then you will be perfectly aware of how | | | | from the AC line. When the input voltage falls below |
| inconvenient and annoying it is, especially if all the work | | | | that of a specified window the UPS will automatically |
| needs to be done by a business deadline. For those of | | | | start supplying power via the inverter. Once mains |
| us who have never experienced this problem, just | | | | power is restored the inverter is turned off. An offline |
| imagine that you have been working on a report or | | | | UPS only provides minimal power protection and can |
| presentation for hours but have forgotten to save it | | | | offer no failsafe should the inverter fail. |
| regularly, when all of a sudden the power cuts out and | | | | - Line Interactive UPS |
| all the data is lost. Not only can this be extremely | | | | This is perhaps the most popular UPS used today and |
| costly but also very arduous if all the data needs to be | | | | works very similar to an offline UPS. It is cheaper than |
| inputted again. | | | | online UPS whilst providing better protection than an |
| There are however, ways to avoid this scenario. An | | | | offline UPS. However, as with offline UPS there will a |
| Uninterruptible Power Supply or UPS is a device that | | | | break in the transfer to and from the battery mode |
| provides battery backup if electrical power supplies fail. | | | | and there is also no failsafe should the battery/inverter |
| Available in a variety of sizes, smaller UPS devices will | | | | fail. |
| provide you with power for a few minutes enabling | | | | - Online UPS |
| you to shut down your computer safely, larger UPS | | | | Online UPS provides the highest level of uninterruptible |
| devices on the other hand will last for a few hours or | | | | power supply of any UPS technology and can |
| until electrical generators take over. | | | | withstand large fluctuations in input voltage before |
| In order for your computer systems to operate | | | | switching to battery power; this means that there are |
| effectively the power supply that they are connected | | | | no unnecessary battery discharges. Online UPS also |
| to must also remain constant without surges or | | | | provides a failsafe if there is a failure within the UPS |
| fluctuations as these can also cause you to lose data | | | | hardware. Due to the technology used, online UPS |
| or damage your equipment permanently. A UPS can | | | | usually costs a lot more that other UPS technologies. |
| also help maintain a power supply as they are capable | | | | Whatever type of UPS you decide to purchase you |
| of regulating and filtering utility power and can sense if | | | | may find it more convenient to buy it over the internet |
| power drops to an unacceptable level. | | | | as this can both save you time and money. Pyramid is |
| There are three different types of UPS used for | | | | an online store supplying a large variety of home |
| computer systems: | | | | electronic products and components from all well |
| - Offline UPS | | | | known brand names. |
| This is the simplest type of UPS and is also the least | | | | |