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CB Generic  |  SKU: CB1228H-176

12V, 26Ah, replacement battery for Tcs Sl12-24a 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 Tcs Sl12-24a | 312Wh High-Capacity Power

Power your UPS systems, mobility equipment, emergency lighting, and more with the CB1228H 12V 26Ah Sealed Lead Acid (AGM) battery, built for dependable backup power and high-demand performance. This reliable replacement for Tcs Sl12-24a delivers consistent, long-lasting energy across 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.

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

Technical Specifications

ModelCB1228H
Replaces ModelTcs Sl12-24a
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 demanding backup and mobility applications.
  • AGM Technology: Spill-proof, valve-regulated, and completely maintenance-free design.
  • Multipurpose Use: Ideal for UPS systems, electric scooters, mobility aids, alarm systems, solar setups, and telecom equipment.
  • Durable Construction: Rugged ABS casing with optional UL94-HB and UL94-V0 flame-retardant versions available.
  • Compact Tall Format: Space-efficient footprint with strong capacity for high-demand applications.
  • High Discharge Capability: Rated for strong discharge performance when reliable power is essential.
  • Wide Temperature Range: Operates efficiently from -20°C to 50°C (-4°F to 122°F).
  • Flexible Installation: F3 - Nut & Bolt terminals support secure connection in a wide range of equipment.

Direct Replacement For

Tcs Sl12-24a

This battery is a suitable replacement for the model listed above. The 26Ah capacity may be slightly lower than some original 26Ah units but will still function correctly, with only a minor reduction in runtime.

Physical & Terminal Details

167mm x 125mm x 177mm 6.57" x 4.92" x 6.97" F3 - Nut & Bolt Terminal Approx. 9.5 kg / 20.95 lbs Tall Format Case

Important Fitment Notes

  • Please verify terminal type: Confirm your existing battery uses F3 - Nut & Bolt terminals.
  • Check dimensions before ordering: Ensure the battery compartment matches the listed size.

Minor connector adjustments may be required depending on your current setup, although existing cables are often reusable.

Typical Applications

  • UPS backup systems
  • Mobility equipment
  • Emergency lighting
  • Electric scooters
  • Alarm and security systems
  • Solar power storage setups
  • Telecom equipment

Why Choose the CB1228H Battery?

  • Canadian Company: Fast, reliable shipping from Canada with dedicated local support.
  • Heavy-Duty Build: Designed for high-performance backup and mobility systems.
  • Maintenance-Free: No water top-ups or active monitoring required.
  • Easy Installation: Straightforward replacement for many compatible systems.
  • Peace of Mind: Includes a 1-Year Replacement Warranty and 30-Day Return Policy.

Important Notice

Always verify dimensions, terminal type, and battery compartment clearance before purchase. While this battery is designed as a replacement for Tcs Sl12-24a, some installations may require minor connector adjustments depending on your equipment.

Reliable Backup Power for Demanding Applications

Upgrade today with the CB1228H 12V 26Ah AGM battery and enjoy strong, dependable power for backup systems, mobility devices, and commercial equipment. Built for reliability, durability, and long service life, it is an excellent choice when performance matters most.

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🔋 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.

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Technical Specifications

CB1228H - 12V 26Ah Sealed Lead Acid Battery Replacement for Tcs Sl12-24a
Battery Details
Model CB1228H
Replaces Model Tcs Sl12-24a
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"
Case Format Tall Format
SKU CB1228H
Typical Applications
Applications UPS backup systems, mobility equipment, emergency lighting, electric scooters, alarm and security systems, solar power storage setups, telecom equipment
Built for dependable backup power and high-demand performance across UPS systems, mobility equipment, emergency lighting, and other commercial applications.
Latest Update: 4 April 2026

Battery Cross Reference

Confirmed Device / Battery Model Original Battery Replacement
Tcs Sl12-24a Tcs Sl12-24a CB1228H
This replacement battery is confirmed for the model shown above. A 26Ah battery can also replace some 28Ah versions in the same size format, with only a minor reduction in runtime where applicable.
Confirmed model coverage

The following model is confirmed for this replacement battery:

Tcs Sl12-24a
Replacement battery specification

Replacement battery: CB1228H

Voltage: 12V

Capacity: 26Ah

Energy: 312Wh

Battery type: Sealed Lead Acid (AGM)

Terminal: F3 - Nut & Bolt

Size and fitment details

Dimensions: 167mm x 125mm x 177mm / 6.57" x 4.92" x 6.97"

Weight: Approx. 9.5 kg / 20.95 lbs

Case style: Tall format case

Please verify battery compartment clearance and terminal configuration before ordering.

26Ah replacing 24Ah or 28Ah versions

This 12V 26Ah battery is a suitable replacement for the confirmed model listed above.

Where equipment originally used a 24Ah or 28Ah battery in the same case size and terminal layout, the difference mainly affects runtime rather than core compatibility.

Important installation notes

Check that your current battery uses an F3 - Nut & Bolt terminal arrangement.

Confirm the listed dimensions match your existing battery and compartment space.

Minor connector adjustments may be required in some installations, although existing cables are often reusable.

Payment & Security

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