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UPS batteries are one of the most important parts of your uninterrupted power supply backup system. Without the battery, the entire system is pretty much useless for backing up your desktop computer. If you have important information that may be lost in a sudden power outage, you may wish to check into a replacement battery now, to be safe. Manufacturer It is a good idea to contact the manufacturer of your backup power supply unit. They may have the perfect replacement battery for you. This battery will be specially made and designed for your unit. As there are many different types of units on the market, the battery design may be different on a lot of them. Calculating Your Needs When you think about a replacement battery, make sure that it has enough reserve for your needs. In fact, it may be a good idea to be sure that your present battery has everything that you need in a backup system. For example, most people simply want something that will give them time to back up their data, and then shut down the computer. This will not take a lot of reserve. However, you may want something for a longer period of time, and you will need a much larger battery. You need to figure out how many watts of power your computer uses. Check with the UL or product label for peak wattage. You may need to contact the manufacturer, if you cannot find it. Your computer wattage will be equal to the volt amp rating of a battery. If your computer uses 300 watts, it would seem to take a minimum of 300 volt amps to cover it. However, in order to be safe, the minimum is actually about 450 volt amps for about two minutes of operation. Summary Finding the best UPS batteries is not too hard. Check with the manufacturer for the best matches. If not, make sure that you get at least 450 volt amps for a home desktop computer.
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