...excuse my lack of technical knowledge!! He has a smart pro ups, on the front there are three green lights. The battery light keeps turning from green to red and then the system shuts down and in the ...
...time they will get steady (end of problem). If they are "China new" - it worse, their real capacity usually less then 75% from declared. 2) Try to check batteries connectors, wires and their eyelets. ...
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