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CB Generic  |  SKU: CB125-F1-581

12V, 4Ah, replacement battery for Universal Ub1240 with F1 terminals

🚀 In stock and ready for shipment from our warehouse. Pickup NOT available for this product
Sale price $29.99 CAD Regular price $32.30
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Compatibility Reminder:
Please make sure that the termination style shown in this listing will work for your application, as connector types can vary between models.

It’s also important to confirm that the dimensions of our suggested replacement match the battery you’re replacing to ensure a proper fit in your device or battery compartment.
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Just a Quick Reminder!

Please double-check that the batteries you're ordering match the ones in your unit before completing your purchase. We want to make sure you get exactly what you need!

CB125-F1 12V 4Ah Sealed Lead Acid Battery Replacement for Universal UB1240

Buy a high-quality CB125-F1 replacement battery for Universal UB1240. This dependable 12V 4Ah sealed lead acid AGM battery delivers reliable power for UPS systems, emergency lighting, alarm systems, mobility equipment, telecom equipment, solar setups, and other compatible 12V applications.

4Ah Capacity 12V Output 60Wh Energy F1 Terminals

Technical Specifications

ModelCB125-F1
Replacement ForUniversal UB1240
Battery TypeSealed Lead Acid AGM
Voltage12V
Capacity4Ah
Energy60Wh
Terminal TypeF1
Internal Resistance40mΩ
Max Discharge Current67.5A
Operating Temperature-20°C to 50°C
Nominal Temperature25°C / 77°F
Dimensions90 × 70 × 101mm
Total Height107mm with terminal
Imperial Size3.54" × 2.76" × 3.98"
Total Height4.21" with terminal
WeightApprox. 1.60kg / 3.53 lbs
SKUCB125-F1
Warranty1 Year Replacement

Why Choose This CB125-F1 Battery?

  • Reliable 12V Power: Delivers dependable output for backup power and everyday standby applications.
  • AGM Maintenance-Free Design: Sealed, spill-proof, and valve-regulated for easy ownership.
  • Direct Replacement Fit: Suitable replacement for Universal UB1240 where dimensions and terminals match.
  • Compact Build: Ideal for tight battery compartments in UPS, alarm, lighting, and mobility equipment.
  • F1 Terminal Connection: Equipped with F1 terminals for compatible installations.
  • Canadian Company Support: Fast, reliable shipping with dedicated support and straightforward warranty coverage.

Compatible Model Numbers

Universal UB1240 UB1240 CB125-F1

Always check your existing battery code, terminal type, voltage, and dimensions before ordering to confirm fitment.

Typical Applications

  • UPS backup power systems
  • Emergency lighting systems
  • Alarm and security systems
  • Mobility equipment
  • Electric scooters and small ride-on equipment
  • Solar and energy storage setups
  • Telecom and monitoring equipment

CB125-F1 Battery FAQs

  • Is this battery a replacement for Universal UB1240?
    Yes, this CB125-F1 battery is listed as a replacement for Universal UB1240, provided the voltage, dimensions, and F1 terminal type match your device.
  • Does the Ah rating need to be exactly the same?
    The Ah rating mainly affects runtime. If the battery has the correct voltage, physical size, and terminal type, a slight capacity difference can still work in many compatible applications.
  • Is the CB125-F1 rechargeable?
    Yes. This is a rechargeable sealed lead acid AGM battery designed for compatible SLA charging systems.
  • What terminal type does this battery use?
    This model uses F1 terminals. Please compare your existing battery terminals before ordering.
  • Is this battery maintenance-free?
    Yes. The sealed AGM design requires no water top-ups or regular maintenance.
  • Will I need to change connectors?
    Some connector changes may be required depending on your existing setup. In many cases, existing cables can be reused.

Product Highlights

  • Voltage: 12V
  • Capacity: 4Ah
  • Energy: 60Wh
  • Chemistry: Sealed Lead Acid AGM
  • Terminal: F1
  • Dimensions: 90 × 70 × 101mm
  • Total Height: 107mm with terminal
  • Weight: Approx. 1.60kg / 3.53 lbs
  • Warranty: 1 Year Replacement
  • Return Window: 30 Days

Important Fitment Note

Please verify your original battery’s 12V voltage, F1 terminal type, and physical dimensions before purchase. Minor connector adjustments may be necessary depending on the equipment and original cable setup.

Reliable Universal UB1240 Replacement Power

The CB125-F1 12V 4Ah sealed lead acid battery is a dependable Universal UB1240 replacement battery built for reliable backup power, easy installation, and maintenance-free AGM performance. A strong choice for UPS systems, emergency lighting, alarms, mobility equipment, and other compatible 12V applications.

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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

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