Analysis of daily maintenance of UPS power lead-acid battery

1. Maintain a proper ambient temperature Generally speaking, the major factor affecting UPS battery life is ambient temperature. Generally, the better ambient temperature required by battery manufacturers is between 20-25°C. Although the increase in temperature improves the discharge capacity of the battery, the price paid is that the life of the battery is greatly shortened. According to experiments, once the ambient temperature exceeds 25°C, the battery life will be shortened by half for every 10°C increase. 2. Periodic charging and discharging The float voltage and discharge voltage in the UPS power supply have been adjusted to the rated value at the factory, and the size of the discharge current is increased with the increase of the load. The load should be adjusted reasonably during use. Such as controlling the number of electronic devices such as microcomputers. Under normal circumstances, the load should not exceed 60% of the UPS rated load. Within this range, the discharge current of the battery will not be over-discharged. 3. Communication function At present, most large and medium-sized UPSs have operability such as communication with microcomputer and program control. Install the corresponding software on the microcomputer, connect the UPS through the serial/parallel port, and run the program, then the microcomputer can be used to communicate with the UPS. Generally, it has functions such as information query, parameter setting, on-time setting, automatic shutdown and alarm. Through information query, you can obtain information such as mains input voltage, UPS output voltage, load utilization, battery capacity utilization, internal temperature and mains frequency; through parameter settings, you can set the basic characteristics of UPS, battery life and The battery runs out of warning, etc. Through these intelligent operations, it greatly facilitates the use and management of the UPS power supply and its storage battery. 3. Replace waste/bad batteries in time. The number of batteries currently equipped with large and medium-sized UPS power supplies ranges from 3 to 96, or even more. These individual batteries are connected by circuits to form a battery pack to meet the requirements of UPS DC power supply. In the continuous operation and use of UPS, due to differences in performance and quality, it is inevitable that individual batteries will be damaged due to performance degradation and insufficient power storage capacity. When one/some batteries in the battery pack are damaged, the maintenance personnel should inspect and detect each UPS power battery to eliminate the damaged battery. When replacing new batteries, you should try to buy batteries of the same manufacturer and the same model, and it is forbidden to mix acid-proof batteries, sealed batteries, and batteries of different specifications. Disclaimer: Some pictures and content of the articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous: Briefly describe the development prospects of lithium batteries in the field of power tools