针对汉川电厂多组UPS电池在不到5年的使用时间里，连续失效报废所造成的巨大损失和惨痛教训，探讨了UPS蓄电池在运行和维护中的科学方法，并强调对免维电池的正确认识；

In the light of heavy loss and bitter lesson from the lose efficiency of many UPS battery being less than 5 years service in Hanchuan Power Plant, its operation and maintenance method was discussed.

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