Hello,
I have a problem with a Cyberpower CP900EPFCLCD UPS unit that seems not charging the battery.
With AC power connected I measure 13,50V on battery terminals.
If I unplug AC cord, voltage drops below 10V after no more than 30 seconds causing UPS to shut off.
I'm testing with a load of 20W.
Plugging AC power again UPS turns on and battery charge level indicates 100% (even if I disconnect battery!!!!).
Tried with new battery same behaviour.
Therre is no sign of blown components. Could you help me troubleshooting this issue?
thanks in advance
I have a problem with a Cyberpower CP900EPFCLCD UPS unit that seems not charging the battery.
With AC power connected I measure 13,50V on battery terminals.
If I unplug AC cord, voltage drops below 10V after no more than 30 seconds causing UPS to shut off.
I'm testing with a load of 20W.
Plugging AC power again UPS turns on and battery charge level indicates 100% (even if I disconnect battery!!!!).
Tried with new battery same behaviour.
Therre is no sign of blown components. Could you help me troubleshooting this issue?
thanks in advance
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