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CB Generic  |  SKU: CB1228H-173

12V, 26Ah, replacement battery for Acedis St240 with F3 - Nut & Bolt terminals

🚀 In stock and ready for shipment from our warehouse. Pickup NOT available for this product
Sale price $130.99 CAD Regular price $144.95

⚠️ 12V 26Ah Replacement Notice

This battery is suitable as a replacement for compatible tall-format 12V backup and mobility batteries where the dimensions, voltage, and terminal configuration match. To support this format, we supply the 12V 26Ah version, which is a suitable replacement for 24Ah, 26Ah, and 28Ah models.

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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!

CB1228H - 12V, 26Ah Sealed Lead Acid Battery Replacement for Acedis St240 | 312Wh High-Capacity Power

Power your UPS systems, mobility equipment, emergency lighting, and more with the CB1228H 12V 26Ah Sealed Lead Acid (AGM) battery, designed for high-demand performance. This reliable replacement for Acedis St240 delivers consistent, long-lasting energy in a wide range of applications. Our team of experts have ascertained that this battery will work as a drop-in replacement for this model. Do not worry if the capacity is different, as the Ah is simply an indication of the maximum runtime between charges, and a 26Ah battery will replace a 26Ah model with minimal difference in runtime.

26Ah Capacity 12V Output 312Wh AGM Sealed Lead Acid

Technical Specifications

ModelCB1228H
Replaces ModelAcedis St240
Battery TypeSealed Lead Acid (AGM)
Voltage12V
Capacity26Ah
Energy312Wh
Internal Resistance14mΩ
Max Discharge Current420A
Operating Temperature25°C (77°F) nominal
Working Temperature Range-20°C to 50°C (-4°F to 122°F)
Terminal TypeF3 - Nut & Bolt
WeightApprox. 9.5 kg / 20.95 lbs
Dimensions167mm x 125mm x 177mm / 6.57" x 4.92" x 6.97"
SKUCB1228H

Key Benefits

  • Reliable Power Output: 12V, 26Ah performance for dependable operation across multiple devices.
  • AGM Technology: Spill-proof, valve-regulated, and completely maintenance-free.
  • High Energy Capacity: 312Wh of stored energy for backup and standby applications.
  • Durable Construction: Rugged ABS plastic casing for dependable everyday use.
  • Compact Tall Format Design: Space-efficient footprint for compatible systems and equipment.
  • High Discharge Capability: Suitable for demanding backup and mobility applications.
  • Wide Temperature Operation: Performs efficiently from -20°C to 50°C.

Compatible Models

Acedis St240

This battery is suitable as a replacement for compatible tall-format 12V backup and mobility batteries where dimensions, voltage, and terminal configuration match.

Applications

UPS Systems Mobility Equipment Emergency Lighting Alarm Systems Solar Setups Telecom Equipment Electric Scooters Backup Power Systems

Terminal & Fitment Notes

  • Terminal Type: F3 - Nut & Bolt
  • Installation: Some connector adjustments may be required depending on your setup.

Please verify terminal type, cable orientation, and battery dimensions before ordering to ensure proper fitment.

Why Choose the CB1228H Battery?

  • Fast, reliable shipping from a Canadian company
  • Designed for high-performance backup and mobility systems
  • Maintenance-free AGM design with no water top-ups required
  • Strong high-discharge capability for demanding applications
  • Easy replacement for many compatible 12V tall-format batteries
  • Includes 1-year replacement warranty
  • Backed by a 30-day return policy

Performance Highlights

  • Voltage: 12V nominal output
  • Capacity: 26Ah runtime support
  • Energy: 312Wh total energy
  • Internal Resistance: 14mΩ
  • Max Discharge Current: 420A
  • Format: Tall-profile sealed AGM battery
  • Built for: Backup, standby, and mobility use

Important Notice

Please verify your original battery’s dimensions, terminal type, and cable configuration before purchase. While this battery is a compatible replacement for Acedis St240, minor connector adjustments may be necessary depending on your existing setup.

Reliable Backup Power You Can Count On

Choose the CB1228H 12V 26Ah AGM battery for dependable backup performance, maintenance-free operation, and long-lasting durability across UPS systems, mobility equipment, emergency lighting, and more.

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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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🔍 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.

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Technical Specifications

CB1228H – 12V 26Ah Sealed Lead Acid (AGM) Battery
Battery Details
Model CB1228H
Replaces Model Acedis St240
Battery Type Sealed Lead Acid (AGM)
Voltage 12V
Capacity 26Ah
Energy 312Wh
Internal Resistance 14mΩ
Max Discharge Current 420A
Operating Temperature 25°C (77°F) nominal
Working Temperature Range -20°C to 50°C (-4°F to 122°F)
Terminal Type F3 - Nut & Bolt
Weight Approx. 9.5 kg / 20.95 lbs
Dimensions 167mm x 125mm x 177mm / 6.57" x 4.92" x 6.97"
SKU CB1228H
Applications
Typical Use UPS Systems, Mobility Equipment, Emergency Lighting, Alarm Systems, Solar Setups, Telecom Equipment, Electric Scooters, Backup Power Systems
Built for dependable backup and standby performance in compatible tall-format 12V systems where voltage, terminal configuration, and physical dimensions match.
Latest Update: 4 April 2026

Battery Cross Reference

Compatible Model Original Battery Replacement
Acedis St240 Acedis St240 CB1228H
This replacement battery is confirmed for the model shown below when the required voltage, dimensions, and terminal configuration match the original installation.
Confirmed compatible model

The following model is confirmed from the supplied fitment data:

Acedis St240
Original battery reference

Original battery reference: Acedis St240.

Match the original battery reference together with voltage, size, and terminal layout before installation.

Replacement battery details

Replacement battery: CB1228H.

This is a 12V 26Ah sealed lead acid AGM battery with a tall-format case and F3 nut and bolt terminals.

Terminal and fitment notes

Terminal type: F3 - Nut & Bolt.

Some connector adjustments may be required depending on the cable orientation and existing setup.

Please verify terminal position, cable reach, and battery dimensions before ordering.

Use and performance overview

The CB1228H provides 12V nominal output, 26Ah capacity, and 312Wh of stored energy for backup, standby, and mobility applications.

Its AGM construction is sealed, spill-proof, and maintenance-free, making it suitable for dependable daily use across compatible systems.

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