The ABB SB822 Rechargeable Battery Unit (3BSE018172R1) is an external lithium-ion battery backup solution developed for ABB AC 800M controllers within the ABB 800xA distributed control system. It delivers uninterrupted backup power, helping maintain system availability and protecting critical process data during power outages. Its compact DIN-rail design allows easy installation in industrial control cabinets while ensuring dependable performance in demanding automation environments.
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ABB SB822 is a rechargeable battery backup unit specifically engineered for ABB AC 800M controller systems. The module incorporates a high-performance lithium-ion battery, 24V DC connector, and TK821V020 connection cable to provide reliable power backup when the primary power source is unavailable.
Designed for industrial automation applications, the SB822 helps prevent unexpected shutdowns, minimizes downtime, and protects controller memory and process data. Its DIN-rail mounting design enables quick installation and seamless integration into ABB 800xA control architectures.
The battery unit is suitable for process industries requiring high system availability, including power generation, oil and gas, chemical processing, water treatment, and manufacturing facilities.

Provides continuous power support to AC 800M controllers during temporary power failures.
Utilizes rechargeable lithium-ion technology for long service life and dependable performance.
Compact DIN-rail mounted design simplifies installation and maintenance.
Helps reduce process interruptions and protects critical automation data.
Engineered for operation in demanding industrial environments.
Optimized for seamless integration with ABB AC 800M and 800xA automation systems.

| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Model | SB822 |
| Product ID | 3BSE018172R1 |
| Product Type | Rechargeable Battery Unit |
| Compatible System | ABB AC 800M Controllers |
| Battery Type | Lithium-Ion |
| Rated Output Voltage | 3.6 V |
| Battery Capacity | 3.75 V / 2.3 Ah |
| Maximum Output Current | 0.05 A |
| Mounting Method | DIN Rail |
| Protection Rating | IP20 |
| Maximum Ambient Temperature | +55°C |
| Width | 85 mm |
| Height | 136 mm |
| Weight | Approximately 0.55 kg |
| Included Accessories | 24V DC Connector, TK821V020 Cable |
| Compliance | CE, RoHS, WEEE |
| Lithium Content | 0.8 g |

Provides emergency backup power for ABB 800xA process control environments.
Maintains controller functionality during electrical disturbances.
Supports critical process automation systems where continuous operation is essential.
Ensures uninterrupted controller operation and data retention.
Improves control system reliability and process stability.
Protects production systems against unexpected power interruptions.
A: The SB822 provides rechargeable battery backup for ABB AC 800M controllers, maintaining controller operation and memory retention during power failures.
A: The SB822 is designed specifically for ABB AC 800M controllers used within ABB 800xA automation systems.
A: Yes. The SB822 includes an integrated lithium-ion battery, 24V DC connector, and TK821V020 connection cable.
A: The unit is designed for DIN-rail mounting, enabling quick installation inside industrial control cabinets.
A: The SB822 has an IP20 protection rating according to IEC 60529 standards.
A: Battery backup prevents data loss, maintains controller memory, and minimizes production downtime during power interruptions.
Do you provide global shipping services?
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How many parts do you currently have in stock?
We have a vast inventory of thousands of new, refurbished, and outdated automation components, including products from well-known manufacturers such as ABB and Schneider. If you cannot find the required parts, please do not worry. We work closely with a global network of professional suppliers to provide you with tailored quotes even if the part is not listed on our website.
Who can I contact if I encounter any problems?
Our experienced customer service team will handle any issues after you place your order.