What causes UPS batteries to be damaged

　　(1) the specific gravity of electrolyte is too high

　　(2) no electrolyte, the use of a long time, the electrolyte a year can best be supplemented once.

　　(3) the use of unqualified charger charging, some chargers do not have limited flow device, the formation of battery damage.

　　(4) The UPS battery is stored for a long time (it is not charged during storage), and the battery will fail if it is not used for a long time.

　　(5) Over discharge, the discharge protection circuit of the UPS power supply is abnormal, the load of the UPS power supply is too small, and the battery deep discharge is formed.

　　(6) Charging at high temperature, due to the continuous improvement of lead acid battery skills, in the process of use, the protection rate is also relatively low.

　　(7) the UPS battery charging with too much current, charging current too much will burst the battery, the battery life greatly shortened. Battery is an important part of UPS system in the machine room. Its merits are directly related to the reliability of the whole UPS system. However, battery is the shortest mean time to failure (MTBF) in the whole UPS system. If the user can correctly use and maintain, can prolong its service life, conversely its service life will be greatly shortened.

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