Battery For Cyberpower Rb1290 UPS, 1 X 12v, 9ah - 108wh
Please double-check that the batteries you're ordering match the ones in your unit before completing your purchase.
Please note: We only supply the batteries shown in the images. Product images of devices are shown for reference only.
UPS Battery for CyberPower RB1290 – 12V 9Ah AGM Replacement Battery (1 Pack)
Keep your CyberPower RB1290 UPS operating reliably with this premium 12V 9Ah sealed lead acid (AGM) replacement battery. Built for dependable backup performance, stable output, and easy installation, this replacement battery helps ensure your UPS is ready when power interruptions occur.
Technical Specifications
Key Benefits
- Reliable Backup Power: Delivers 12V 9Ah performance to keep your UPS ready during outages.
- Maintenance-Free AGM Design: Spill-proof sealed construction for clean, hassle-free use.
- Direct UPS Replacement Fit: Sized for a precise fit in compatible CyberPower systems.
- Stable Energy Output: Designed for dependable, consistent power delivery.
- Durable Construction: Built with quality materials for long service life and strong energy retention.
- Easy Installation: Uses T2 terminals for secure connection with your existing setup.
Compatible Models
CyberPower
Designed as a replacement battery for compatible CyberPower RB1290 UPS applications.
What’s Included
- 1 × 12V 9Ah AGM battery
- T2 terminal configuration
- Battery only — re-use your existing connectors and cables
Warranty & Returns
- 30-Day Return Policy
- 1-Year Warranty
Please verify your battery size, terminal type, and model compatibility before ordering.
Important Notice
- Re-use your existing connectors and cables; some assembly is required.
- Ensure correct polarity and proper installation for safe, optimal performance.
- Always handle sealed lead acid batteries with appropriate care.
Why Choose This Replacement Battery?
This CB Range CB129 replacement battery is a dependable solution for restoring the performance of your CyberPower RB1290. With robust AGM construction, 12V 9Ah output, and a precise UPS-friendly footprint, it is built to provide reliable backup power when it matters most.
Reliable Power for Uninterrupted Performance
Choose this 12V 9Ah AGM UPS replacement battery for CyberPower RB1290 to keep your backup power system operating at peak performance. A smart replacement choice for dependable runtime, secure fitment, and long-lasting value.
Want Instant Shipping Costs?
Want Instant Shipping Costs?
🚚 Instant Shipping Costs?
It’s super simple! Just add the product you want to your cart, enter the quantity and your postal code, and you'll instantly see real-time shipping rates for all in-stock items. Fast, easy, and totally hassle-free!
💡 Shipping heavy or bulk items?
If your order includes multiple heavy products, we recommend requesting a custom quote — we may be able to arrange a better rate with a transport truck!
Please note: We reserve the right to send heavier items by transport truck if the carrier's maximum weight per package is exceeded or if we consider it too risky to place with a courier due to the possibility of damage occurring.
🔋 What’s mAh All About?
🔋 What’s mAh All About?
mAh stands for milliamp hours—basically, how much "fuel" your battery can hold. A higher or lower mAh than your original battery? No worries! 🙌 It won’t affect charging or operation—just means your device might run a bit longer or shorter between charges. Still 100% compatible. Still 100% awesome. 💪✨
Before ordering please read
Before ordering please read
Ensure the original battery model number is mentioned in our product description and verify that your device model number is also listed in the description.
How to Look after your new lithium battery!!
How to Look after your new lithium battery!!
See how to look after your battery if its lithium Lithium Care
Delivery and Shipping
Delivery and Shipping
See our shipping policy and details at this link Shipping Details
ADVISORY:- ABOUT OUR IMAGES
📸 Send Us Your Battery Image
Not sure which replacement battery you need? Just snap a Photo / Video of your current battery and send it our way! Our team will quickly identify the exact match and recommend the perfect replacement model — no guesswork, no hassle.
🔍 Fast, Expert Assistance
We’ve helped thousands of customers find the right battery — let us do the same for you. Whether it’s for an alarm system, emergency light, or industrial equipment, we’ve got you covered.
📤 Click below to post your image and get started:
POST YOUR IMAGEImages from our customers
Technical Specifications
| Product Information | |
|---|---|
| Product Model | Battery For Cyberpower Rb1290 UPS, 1 x 12V, 9Ah - 108Wh |
| Brand | CB Range |
| Type | UPS Battery |
| SKU Number | CB129X1-10402 |
| Individual Battery Model | CB129 |
| Compatible Replacement For | Cyberpower Rb1290 UPS, 1 x 12V, 9Ah - 108Wh |
| Battery Chemistry | AGM (Sealed Lead Acid) |
| Voltage | 12V |
| Capacity | 9Ah |
| Energy | 108Wh |
| Number of Batteries in Kit | 1 |
| Terminal Type | T2 |
| Gross Weight | 2.5 Kg / 5.51 Lbs |
| Battery Dimensions | |
| Length | 5.95 inches / 151 mm |
| Width | 2.56 inches / 65 mm |
| Height | 3.7 inches / 94 mm |
| Height to Top of Terminal | 3.94 inches / 100 mm |
OEM Battery Cross Reference
| Device Model | Original Battery | Replacement | Kit Size | Terminal |
|---|---|---|---|---|
| Cyberpower Rb1290 UPS | RB1290 | CB Range CB129X1-10402 | 1 Battery | T2 |
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
