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CB Generic  |  SKU: CB125-F1-052

12V, 4.5Ah, replacement battery for Esg 6fm4.5 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 4.5Ah Sealed Lead Acid (AGM) Replacement Battery for ESG 6FM4.5

Keep your equipment operating reliably with the CB125-F1 12V 4.5Ah sealed lead acid (AGM) battery. Designed as a dependable replacement for the ESG 6FM4.5, this maintenance-free battery delivers consistent backup power for UPS systems, alarm systems, emergency lighting, mobility equipment, telecom applications, and more.

12V AGM 4.5Ah Capacity Maintenance-Free 1-Year Warranty

Technical Specifications

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Model CB125-F1
Replaces ESG 6FM4.5
Voltage 12V
Capacity 4.5Ah
Energy 60Wh
Battery Type Sealed Lead Acid (AGM)
Internal Resistance 40mΩ
Maximum Discharge Current 67.5A
Operating Temperature 25°C (77°F) Nominal
Terminal Type F1
Dimensions 90 × 70 × 107mm
Weight Approx. 1.60kg
SKU CB125-F1

Why Choose This Product

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  • Direct replacement for the ESG 6FM4.5 battery.
  • Reliable 12V AGM technology delivers consistent backup power.
  • Completely sealed, spill-proof and maintenance-free design.
  • High discharge capability for demanding applications.
  • Suitable for UPS systems, mobility equipment, alarm systems, emergency lighting, telecom equipment and more.
  • Designed for simple installation using F1 terminals.
  • If replacing a battery with a different Ah rating, the capacity only affects runtime between charges and does not prevent compatibility when the battery fits your application.

Compatible Models

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ESG 6FM4.5

Typical Applications

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  • UPS (Uninterruptible Power Supply) systems
  • Mobility equipment
  • Emergency lighting
  • Alarm and security systems
  • Solar backup systems
  • Telecommunications equipment

Product Highlights

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  • 12V 4.5Ah sealed lead acid AGM battery.
  • Valve-regulated, maintenance-free construction.
  • Rugged ABS battery case.
  • Designed for dependable backup power performance.
  • F1 terminals for secure installation.
  • Canadian company with fast shipping from Canada.

FAQs

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Is this a replacement for the ESG 6FM4.5?

Yes. The CB125-F1 is designed as a replacement battery for the ESG 6FM4.5.

Is the battery rechargeable?

Yes. This is a rechargeable sealed lead acid (AGM) battery.

Do I need to maintain the battery?

No. AGM technology provides a sealed, maintenance-free design with no water top-ups required.

Should I check the battery size before ordering?

Yes. Please verify both the terminal type and battery dimensions before purchase to ensure proper fitment.

Warranty & Returns

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  • 1-Year Replacement Warranty.
  • 30-Day Return Policy.

Buy with Confidence

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Every CB125-F1 battery is built to deliver dependable performance for your essential backup power equipment. Please verify the terminal type and battery dimensions before ordering, as minor connector adjustments may be required depending on your existing installation.

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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

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