Need to return a product:- Click Here for returns

Need to track your order:- Track here

Check out our new website, faster smarter and easier to use.

CB Range  |  SKU: CB126-SX650U

Battery For CyberPower 650VA SX650U UPS, 1 X 12v, 6ah - 72wh

🚀 In stock and ready for shipment from our warehouse. Pickup NOT available for this product
Sale price $59.99 CAD Regular price $65.99
🔔
Just a Quick Reminder!
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.

Battery for CyberPower 650VA SX650U UPS – 12V, 6Ah (1-Pack)

Reliable 12V 6Ah Sealed Lead Acid (AGM) replacement battery built to keep your CyberPower 650VA SX650U UPS operating at peak performance. Designed for dependable backup power, long service life, and stable energy delivery during unexpected outages.

12V Output 6Ah Capacity AGM Sealed Lead Acid 1-Pack

Technical Specifications

BrandCB Range
Battery ModelCB126
SKUCB126-SX650U
ChemistrySealed Lead Acid (AGM)
Voltage12V
Capacity6Ah
Battery Quantity1
Terminal TypeT1 & T2
Dimensions5.94" × 2.01" × 3.87"
Metric Size151 × 51 × 98mm
Max Height3.93"
Gross Weight1.95 Kg / 4.3 lbs

Key Benefits

  • Reliable Backup Power: Supplies 12V, 6Ah for dependable UPS support during outages.
  • Maintenance-Free AGM Design: Spill-proof sealed construction for clean, worry-free operation.
  • Optimized Fit: Tailored for the CyberPower 650VA SX650U UPS for proper fit and function.
  • Durable Performance: High-quality internal construction supports long service life and strong energy retention.
  • Flexible Installation: Compatible with T1 & T2 terminals for fast, secure setup.
  • Complete Replacement: Includes 1 x 12V 6Ah battery for a full single-battery swap.

Compatible Models

CyberPower

650VA SX650U UPS SX650U

Designed as a dependable replacement battery for CyberPower SX650U UPS systems.

What’s Included & Important Notice

  • Included: 1 x 12V 6Ah AGM replacement battery.
  • Assembly Note: Re-use your existing connectors and cables; some assembly is required.
  • Canadian Shipping: Proudly shipped directly from Canada.
  • Support: Backed by dependable customer service and product support.

Warranty & Returns

  • 30-Day Return Policy for a full refund
  • 1-Year Warranty for added confidence

Always verify battery size, terminal type, and UPS model before ordering to ensure correct fitment.

Trusted Replacement Power for Your UPS

Keep your CyberPower 650VA SX650U UPS ready when it matters most with this dependable CB Range CB126 12V 6Ah AGM battery. Built for stable backup performance, compact fitment, and reliable day-to-day protection for your essential devices.

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?

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

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!!

See how to look after your battery if its lithium Lithium Care

Delivery and Shipping

See our shipping policy and details at this link Shipping Details

📸 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 IMAGE

Technical Specifications

CB126 Battery – CyberPower SX650U UPS
Battery Details
Category UPS Battery Replacement
Brand CB Range
Battery Model CB126
Battery Chemistry Sealed Lead Acid (AGM)
Voltage 12V
Capacity 6Ah
Number of Batteries 1
Terminal Type T1 & T2
Dimensions 151mm x 51mm x 98mm (5.94” x 2.01” x 3.87”)
Gross Weight 1.95 kg / 4.3 lbs
SKU CB126-SX650U
Compatibility
Fits Brand CyberPower
Confirmed Device Model CyberPower 650VA SX650U UPS
Battery Type 12V 6Ah Sealed Lead Acid Battery (AGM)
Replacement battery for CyberPower SX650U UPS units using a 12V 6Ah sealed lead acid battery configuration.
Latest Update: 18 April 2025

OEM Battery Cross Reference

Confirmed device and replacement details shown below.
Device Model Original Battery Type Replacement
CyberPower 650VA SX650U UPS 12V 6Ah Sealed Lead Acid Battery (AGM) CB126
Confirmed Compatible Model
CyberPower 650VA SX650U UPS
Replacement Battery Details
CB126 12V 6Ah AGM T1 & T2 Terminals
This replacement battery is suitable for the confirmed model listed above and matches the required 12V 6Ah sealed lead acid AGM battery format.

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.