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Computer UPS Batteries and Components

It is very frustrating to have a power blackout while working on a project on your computer. You can easily lose all the data you spent hours analysing and compiling. Even worse, a power surge can fry your computer and leave you shopping for a new one. Having computer uninterruptible power supplies can help you prevent such instances. A UPS provides emergency backup power in case power from the mains supply fails. Having an understanding of the various components that make up a UPS system can help you know what to look for when buying components for servicing or upgrading purposes.


Batteries are the energy storage components and are the heart of a UPS. They are kept charged by a separate charger or rectifier. Batteries use AH (ampere hour) as a measure of their storage capacity. The capacity tells the number of amperes of current a battery can provide within an hour of use. UPS Batteries can be described as either having short or long autonomies. A short autonomy allows the battery to be drained to lower levels while a long autonomy does not allow this. Autonomies help achieve the maximum design life. Tell us what you think - opens in new window or tab