A UPS battery has some basic functions, such as for example the automatic load test, which is performed every 24 hours. A UPS battery has some basic functions, such as for example the automatic load test, which is performed every 24 hours. This automatic load test, the UPS will battery during operation. If using a UPS battery that has a duration of 5 years, then you should replace fully their batteries after about 4 years, so that there can be no losses. When a UPS battery with a 10-year period you should make this Exchange after about eight years.
For particularly sensitive devices requires a special backup battery or an online UPS battery, for example a line-interactive ups. These two types of battery ups are namely in the location, within a very few milliseconds can to switch, so that the power supply is interrupted hardly perceptible and the equipment therefore take no damage. If one laser printer or copier with a UPS battery want to hedge, it especially to this suit, because these devices consume the multiple amount of energy when they are in the warm-up phase. That can in extreme cases even to the destruction of the UPS lead battery and to connected devices. Therefore, you should use only an online UPS battery for this purpose. If it is a cut in the power supply, so no more electricity is fed, then the UPS takes over battery automatically within a few milliseconds the power supply for the equipment connected to it. The UPS prevents battery, that possible damage may occur due to the sudden separation from the power supply. As well, the UPS is battery able to disturbances in the power supply to compensate. Such errors can be for example a low voltage or a surge. Also frequency changes and harmonics will meet recognized and balanced because the utilities unable to this task completely battery from the ups.