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What should I do if the Hua Xu water meter is out of power?

The battery of Hua Xu water meter is dead. It costs 100 yuan to change the battery in the property or water meter factory. Users can change it by themselves. First, find the battery location. The model of 3.6V lithium battery for water meters in Hua Xu is ER 14505M with plug-in. Just plug in a new battery and check the ic card.