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CyberPower RB1280X2A 12V 8AH UPS Replacement Battery Cartridge

4.5 out of 5 stars 37 customer reviews
| 3 answered questions
List Price: $99.95
Price: $68.49 & FREE Shipping. Details
You Save: $31.46 (31%)
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  • Certified OEM replacement battery for CyberPower UPS
  • Maintenance-Free. Leak proof sealed lead acid battery
  • Reusable package for delivering expired batteries to a suitable recycling center
  • User Installable. Pre-assembled for easy installation. Compatibility: CP1500AVRT, CP1500AVRLCD
  • 18 Month Warranty
29 new from $68.49

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Warranty information: 18 month warranty
$68.49 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • CyberPower RB1280X2A 12V 8AH UPS Replacement Battery Cartridge
  • +
  • CyberPower CP1500AVRLCD Intelligent LCD UPS 1500VA 900W AVR Mini-Tower
  • +
  • Etekcity 10 Pack Power Extension Cord Cable Strip, 16AWG/13A, UL Listed, 2015 Upgraded Version, Black
Total price: $228.43
Buy the selected items together

Technical Details

  • Brand Name: CyberPower
  • Model Number: RB1280X2A
  • Item Height: 5.91 inches
  • Item Length: 2.56 inches
  • Item Width: 7.87 inches
› See more technical details

Product Information

Product Dimensions 2.6 x 7.9 x 5.9 inches
Item Weight 10 pounds
Shipping Weight 12.9 pounds (View shipping rates and policies)
ASIN B009ACPBXK
Item model number RB1280X2A
Customer Reviews
4.5 out of 5 stars 37 customer reviews

4.5 out of 5 stars
Best Sellers Rank #178 in Electronics > Accessories & Supplies > Batteries, Chargers & Accessories > Household Batteries > 12V
Date first available at Amazon.com September 14, 2012

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Reviews

Top Customer Reviews

4.0 out of 5 starsNot for CyberPower CP1500PCFLCD
By Olav on February 16, 2015
Verified Purchase
If you have a CyberPower CP1500PCFLCD, the manual has an error. You want RB1280X2B, which has the correct harness. If you're not sure, pop the cover - if there are two discrete wires, you want this one. If there's one large connector, you want the "B" variant.

4-stars because CyberPower customer service is awesome and is sending me replacements right away.
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5.0 out of 5 starsBatteries
By J. Sours on June 13, 2014
Verified Purchase
We have a bunch of these 1500's in the office and when the batteries go dead it's nice to have a few extras laying around to get things going again. Comes with a 1 sheet instructions for several different UPS types and DO NOT TAKE OFF THE TABS if you've never changed these batteries before. It seems tempting like that new plastic that comes on new electronics to peel the plastic off but DON'T DO IT! They help you pull the battery out of the UPS.
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5.0 out of 5 starsHalf the price of a new UPS
By ThatMouse on September 5, 2014
Verified Purchase
This fixed the issues I was having with my UPS not working despite self-tests passing. UPS's apparently have no circuitry to tell you when the battery is bad, but I checked and mine was 3 years old so that's a pretty good lifespan.

Symptoms that a new battery pack may fix:
1. All your stuff randomly powers off even though the battery reads 100% and the self-tests pass
2. Overload error, constant beep, while everything is off
3. Status occasionally shows charging, and battery reads 70% or so and does immediately charge
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5.0 out of 5 starsReliable, good value and easy to install
By Joe Mac on October 26, 2014
Verified Purchase
This has kept my PowerPanel cruising along and doing its job. About 2 weeks after I got the replacement we had a power outage for 3 hours. My UPS kept me going for almost an hour before I had to cleanly shut down. It prevented a lot of heartache.
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5.0 out of 5 starsBreathed new life into my old UPS
By Chris Gravlin on March 16, 2016
Verified Purchase
These are a perfect match replacement battery for the UPS i have. We use it to supply power in the event of blackout or brownout. We have some equipment that is sensitive to power failures and needs to be backed up by UPS like the one that these batteries fit in. SO When the batteries we already had onsite failed I immediately went shopping. I looked at several sites online and found Amazon had the best price.

The batteries arrived on time and well packaged for being as heavy as they are. Once opened was pleasantly surprised by the instructions to replace these batteries. I removed the bezel and found the tab to pull to remove the current battery. Once out it was super easy to disconnect and slide the new ones in place. Then connecting was a snap. Plus the actual connectors have guards on them to prevent you accidentally touching them.

This was a great choice and it was way cheaper to DIY the battery replacement than to replace the whole unit. I think anyone could do this and save themselves some money. Plus it allows you to swap them out during use which is a huge advantage, no need to power down equipment and risk data loss or equipment malfunction at all.
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5.0 out of 5 starsCyberpower battery replacement
By Lord Swordley on October 27, 2014
Verified Purchase
I bought the Cyberpower 1500AVR about 7 years ago and although it was used for light duty, with an average draw of less than 200 watts, it never gave me any problem, and worked as expected on several occasions with power outages. When the battery died, I was very happy with the past performance so I decided to replace the batteries instead of buying a new unit, for about half the cost. I went with the Cyberpower battery instead of other brands because I know the performance and how long I can expect them to last.
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4.0 out of 5 stars5 min swap - CP1350AVRLCD
By TunaMan on April 16, 2016
Verified Purchase
Quick swap after my 1350 Cyberpower LCD failed - CP1350AVRLCD is the exact model. Of course, it failed immediately at the start of a 45 sec power loss and took 1 computer and 3 external disk arrays down without warning. That's more about the unit than the batteries. The original batteries were probably 6+ yrs old, so well beyond the expected lifetime.

These batteries were a 5 minute swap - 1 screw, 2 extremely tight electrical connections (used 2 pliers to free and reconnect them) and 6 hr charge to get the UPS back and happy again. Ran for about a week without any protection before I ordered these replacements, which made me nervous.

Cut my hand during the replacement. Clumsy. Like a paper cut - nothing serious, just very inconvenient.

Seems odd that these same batteries are listed for both the 1350VA and 1500VA Cyberpower UPSes. Own both and plan to replace the 1500 batteries next year, proactively.
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5.0 out of 5 starsEasy Enough
By David Y on January 27, 2015
Verified Purchase
Took about 4min to install. Just remove the one screw at the bottom of the front face, slide it down until the front pulls out, then install the new battery. Just make sure you turn it on to get the beep to make sure you did it correct. Now I'm just letting it charge for 16hrs before I plug anything in. It comes with instruction with pictures.
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Most Recent Customer Reviews

4.0 out of 5 starsGood batteries but wrong bracket

Original batteries from the manufacture as described. Not much else you can say about batteries. I will say the bracket that connects the two batteries was not the correct one for... Read more

Published 6 days ago by Outlander0088
4.0 out of 5 starsAfter about a month it seems fine now. Stays at 100% after a self test

Had some issues at first. Self test would result in the battery only showing 50% charged. After about a month it seems fine now. Stays at 100% after a self test.

Published 14 days ago by Matt
5.0 out of 5 starsFive Stars

Very good replacement. Very easy to install.

Published 14 days ago by Ruben O.
5.0 out of 5 starsFive Stars

It was a struggle to get the old batteries out, but the new ones are working well.

Published 25 days ago by Annette C. Klause
5.0 out of 5 starsFive Stars

They have improved the way one replaces batteries - easy now, Frightening and difficult before!

Published 1 month ago by hugh person
5.0 out of 5 stars9 years on the orginal! Great so far!

My first battery lasted 9 years (not sure if life was bad at the end but I was still able to shutdown my pc if a black out occurred. Read more

Published 2 months ago by D-rack
5.0 out of 5 starsFive Stars

these replacement batteries made the UPS swap very easy.

Published 3 months ago by Ted from Ohio
5.0 out of 5 starsSimple restoration of original performance.

My ancient CP1500 had years of gradually diminishing battery life, and finally started screaming about complete battery failure. Read more

Published 3 months ago by Stephen Champion
5.0 out of 5 starsMy 6 year old Cyberpower UPS I thought had failed ...

My 6 year old Cyberpower UPS I thought had failed. I called Cyberpower and based on the symptoms of beeping and not turning on they suggested the battery replacement. Read more

Published 5 months ago by John Thomason
4.0 out of 5 starsRestored the UPS to working condition. Little bit tricky ...

Restored the UPS to working condition. Little bit tricky getting the wires placed so the front panel would slide in place.

Published 5 months ago by Robert Woolever

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