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Hello..my UPS was fully discharged and packed upto 2months, 2 months ago , i was taking 20 min backup from it.but now its not giving any backup when power off.....plz suggest..

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It sounds like the batteries were damaged. With the sealed lead acid type battery that are in a UPS it is best to keep them fully charged as often as possible. When the batteries are discharged too low then sulfation builds up on the lead plates inside and they wont take a charge. If you need to find batteries go to:
http://www.batteryinternational.com/ups-batteries.html

Posted on Nov 11, 2010

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Hold the reset button on UPS for 30secs while the power is turned on...
Then keep the UPS on charge for 16 hours with no load...
then check for the backup... while you shut down the computer you should not turn off the power supply to UPS...

Posted on Aug 06, 2010

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