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Sir I have Homage UPS it charge the battery but not fully charge but show s fully charged and stop charging so when Electricity off after half hour ups off.and stop working plz send solution on my email also ok

Search for Homage UPS issues, problems, etc. How old is your ups? Rechargeable lead acid gel batteries have a limited life so testing each battery (if more than one) may be necessary to determine if they’re at the end of their useful life and replacement needed. If not justified replacing batteries then it may be time to replace the entire ups unit.