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The CPS425SL 12V 4.5Ah UPS Battery by AJC is a direct replacement for CyberPower UPS units, delivering reliable backup power with easy installation. Lightweight and compact, it offers a cost-effective solution to extend your UPS lifespan, backed by positive user reviews and fast delivery.








| ASIN | B00A82IRRS |
| Battery Capacity | 4.5 Amp Hours |
| Battery Cell Composition | Sealed Lead Acid |
| Battery Type | Sealed Lead Acid |
| Best Sellers Rank | #646 in Computer Uninterruptible Power Supply Units |
| Brand | AJC |
| Brand Name | AJC |
| Customer Reviews | 4.0 out of 5 stars 36 Reviews |
| Item Weight | 3.3 Pounds |
| Manufacturer | AJC Battery |
| Manufacturer Part Number | CPS425SL |
| Manufacturer Warranty Description | 12 Months |
| Model Number | CPS425SL |
| UPC | 683498677932 683498679790 |
| Unit Count | 1.0 Count |
| Voltage | 12 Volts |
C**G
Works great, I guess I ordered the wrong one though...
Not the fault of the battery, but it didn't fit the device I bought it for... Oh well.
A**Y
perfect fit.
This is perfect. Love my older battery backup power surge protector. Far less expensive than a new unit. fits perfectly and as soon as I plugged it in, the insessant beeping quit. great value
M**W
Did not fit my CPS425SL, but it's a good battery nonetheless
Did not fit into my 425VA CPS425SL. I'm guessing my unit is an older model. My mistake as I should have taken it apart to get the information from the battery that my model contained (12V 3.4AH SLA, BP3.6-12). I can't fault the seller on this.
G**9
Check model number on bottom of existing ups
Does not fit Cyberpower ST425. Unfortunately I only looked at the top of my ups and asked if works with cyberpower 425VA, and it said yes. But not my model. Now I waited to long to to get around to this and missed the return window.
K**N
Wrong Battery!
Wrong size, even though I supplied all requested information when ordering it.
L**S
Lucky if you get a year
Doesn't really last long. It shows in the description: no warranty
A**R
Woould buy this again.
Great! It fit and was easy to install in the APC. Works and no problems. Just what you would hope for.
B**.
Good product and price.
The OEM battery was 4.0 Ah. This battery has slightly more capacity, which should be good. Delivery was prompt, and it installed easily in my CyberPower UPS. You do have to be careful not to short out the positive and negative leads on the old and new batteries. The new battery charged up readily. Time will tell how long the new battery lasts. The price was right.
Trustpilot
1 month ago
5 days ago