Generally, the ups battery’s design life is five years. However, some batteries can be used 6-7 years, others begin to have problems when use one year. How could this be? The main reason is product quality and daily maintenance. So choose better ups battery and maintenance it are important to the battery service life.
The method of maintain ups battery is similar to maintain low pressure system battery. When bring in new batteries, to acceptance of work, the depth of discharge. When the new battery put into use, the work condition is required to keep in proper temperature. Have regular time checking the terminal voltage is normal. When the voltage different is over, going average charge. Have regular the battery capacity test or exploratory depth of discharge, in order to check the performance of the battery pack and keep the battery activity.
But in the virtually application, due to various constraints, very few people maintain ups battery exactly following above methods. Firstly, acceptance of new batteries, as a long time, nor convenient tools are available, a lot of people don’t acceptance of work put batteries into use directly. According to statistics, in mainland china, over 95% ups batteries lack of necessary maintenance, which lay hidden to Ups power supply failure for the future. Secondly, when new batteries put into use, because of ups batteries are installed in cabinet, measuring and divorcing is inconvenience, few measuring voltage, regular depth of discharge is impossible. According to existing conditions (98% of ups batteries are not installed monitoring equipment), the maintenance personnel can carried out only from time to time, turn off electricity to ups batteries discharge for a while, only excite batteries to keep battery packs activity. But some important data is unknown such as batteries performance and the rest of capacity, etc.
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