Question about CyberPower 525SL (CPS525SL) UPS System

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Unit does not back-up (stay on-line at all) when power goes out.

Everything with my Cyber Power 525SL operates normally except when the power in the house goes out. The unit just does not run at all after the power goes out. No beeps, no noises, nothing, just shuts off like there is no battery power at all inside the unit. What are possible causes? My unit is about 3 years old.

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If the battery is over 3 years old then it most likely needs to be replaced. Since it works fine except for when it is relying on power from the battery, then a new battery should make it just like new. http://www.batteryinternational.com/ups-batteries.html should have the battery you need. Hope that helps.

Posted on Jun 24, 2009

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I have the exact same issue with my 525SL.
When you push in the red button - the green power light comes on for about 5 seconds = then the light goes out and the device plays a single long beep for about 5-8 seconds.

Given the dialogue here - I took out the battery and bough a brand new BB replacement battery and returned it into the unit as it should. The device continues to have the same behavior.

So it is NOT always a new battery that will fix the system.
Don't jump into spending $30.00 for a replacement.
Look into this further or you'll wind up wasting your money.



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Regards,
Joel Gerlach
Cyber Power Systems (USA), Inc.
877-297-6937 x7917

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