CyberPower RB1280X2A UPS Replacement Battery Cartridge, Maintenance-Free, User Installable, 12V/9Ah

I bought 1 of these and used it to replace the battery in my CyberPower unit. It was easy to do and now it works great once again. This saves a lot of money to just replace the batteries rather than buying a whole new unit. I used to use APC brand battery backup and AVR units, but then I realized they are pretty much a scam. With APC, you buy an expensive unit, it comes with the battery. Then 3 or 4 years down the road, the battery starts failing as you might expect. But with 2 different APC units I've had, I went on their site to buy a replacement battery, and it wasn't in stock. It appeared to be discontinued. Then I started looking up batteries for other APC units and realized that they seemingly only stocked batteries for the latest units. None of the ones for older units... you know, the ones where you would actually need a replacement. However, they offered a seemingly large discount on buying an entirely new battery backup unit, but only if you bought it off their site at their super-inflated regular price. With the discount on their regular price, it brought the price down to about what you expect off amazon or best buy or whatever. In other words, the discount was worthless. So at the end of all this, I concluded that the APC units were a scam that you wouldn't discover until many years down the road. That was about 11 years ago when I came to that final conclusion. Since then, I've stuck with CyberPower because they keep the same models of backup units in service for a very long time. The unit I bought 10 years ago (the one that takes THIS battery) is still sold on Amazon for example. And getting genuine replacement batteries for them is easy and not a ripoff. In conclusion, APC lost me as a customer 10+ years ago, and I'm not going back. It was a no-brainer to switch to any unit that didn't pull these shenanigans. So I started using CyberPower units and haven't ever regretted it. Maybe APC has changed their philosophy since then? But I'm not going to look into that matter because... who cares...

My cyberpower UPS (CP1500AVRLCD ser.# starting CPA) stopped working due to suspected battery failure (over 5 years old). I considered a generic battery, and I have used them on other UPS' in the past, but decided to spend the extra on a quality OEM replacement. Per instructions, I removed the old battery, installed the replacement. It fit perfectly, no fiddling with the batteries to stick together, the replacement had the same wiring harness as the original and the replacement fit perfectly. The UPS is functional again. Very happy. FWIW, I checked and one of the old batteries reads 13.4 volts sitting, but any load and and it drops to 0 volts. The other battery is useable, but likely has reduced capacity. So if your Cyberpower UPS is not working, it is likely to be old batteries. The OEM replacement are easy to use, and known quality. I expect another 5 years from these. The replacement is easy. Remove one screw, slide the front panel down to open the front. Unplug the red and black wires (They are polarized, so you can't hook up backwards). SLide the old battery pack out, slide the new one in. reconnect the wires. Replace the front panel, install the screw. Voila', functioning UPS.

Easy to replace the old battery, as these cells were already wired together. Some of the less expensive replacement batteries are not. I decided to spend more on these batteries since I experienced short life on some non-OEM computer batteries in the past. Well packed -- double boxed. The leads could be a tad bit longer.

Fit, wired and worked just like new.

These fit my CyberPower AVR1500 UPS. The price is a bit much at half the price of a new UPS. There also seems to be a lot of variability in the price. It is easy to replace the battery on my unit. Remove one screw in the bottom and slide the front up to remove. Unplug the old battery and pull it out. After installing the new battery, I tested it before putting the front back on. The failure symptom I had was an overload error message and no output. Apparently, the battery had degraded over time. When it hit a low enough voltage, it just stopped working. I need to recheck to see if the USB connection to the computer is still active as there was no warning of impending doom. I use this on my router and other network components and it just went down. I removed the battery and it measured just 9V. I put the batteries on an external charger and I could not bring them up to 12V so replacing the battery looked like a fix. I was concerned that perhaps the charging system in the UPS failed but since I could not charge them outside the UPS, I did not think that was the error. I had replaced the battery about 3 years ago. I used lower cost batteries and I had to assemble them into a unit before I could install them. This unit comes ready to install. UPDATE: FAIL! batteries failed today, both of them are bad only days after turning 2 years. The original batteries and the first replacements lasted 3 years or more. These cost a premium but did not last. Not a good bargain.

This was my second order of the same battery. I originally ordered from a marketplace vendor, but cancelled after one week as the battery was never shipped. I reordered through Amazon Prime, and received my battery in 2 days fulfilled by Amazon. This is a new replacement for my CP1500 LCD intelligent UPS system. The UPS actually takes 2 batteries connected to each other with piece of plastic conduit with connectors. These replacements come assembled and connected. It was a 10 minute easy job to remove the cover of the UPS, disconnect the leads, slide out the old battery, slide in the number battery, and reconnect the leads. One of the leads required a little extra push to insert fully. Overall, the UPS now provides many more hours of operation. I advise against the purchase of generic replacement batteries for three reasons. First, you'll have to recycle the plastic connector piece from the old batter pack, as the replacements usually come as 2 individual batteries. This is not the deal breaker. The second reason is that the generic batteries may not hold up as long. I haven't done a study, but my experience with cheap generics is that they last perhaps half as long. Third, after all of the problems with Samsung phone batteries exploding, I'm nervous about quality of batteries in general, especially generics. I've only had these for one week, so I cannot comment on how long they'll hold up.

seem to work as advertised; arrived with two batteries properly attached together with a plastic adapter, so easy to install.

Replaced old batteries (would no longer hold a charge) with these new ones on Jan 15, 2025. Plugged the UPS in with nothing connected (no load) for 24 hours to fully charge the batteries. New batteries died today (19 Jan 2025) with no notice or alarm. Will not charge and UPS shuts down. These are a second set of replacement batteries and the first replacement set (same model) lasted almost 7 years. These batteries are defective and didn't last a full 4 days! UPDATE (21 Jan 2025): Contacted CyberPower product support since Amazon won't do anything. CyberPower support person was not English as a first language and wanted me to check the leads from the unit with the UPS turned on and battery disconnected. This is not helpful since the UPS turns off with the batteries disconnected. Waste of time and waste of money for the set of replacement batteries.