Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| [email protected] | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |

The Honeywell TC-BATT03 (51199942-300) is an industrial-grade battery module designed to provide reliable backup power for Honeywell control systems. It ensures that critical system components retain memory and continue operating during power interruptions.
This battery plays a vital role in maintaining system stability and data integrity in Distributed Control Systems (DCS) and other industrial automation environments. By delivering stable backup power, it helps prevent data loss and system downtime, ensuring continuous operation of essential control processes.
| Parameter | Details |
|---|---|
| Manufacturer | Honeywell |
| Model | TC-BATT03 |
| Part Number | 51199942-300 |
| Product Type | Industrial Battery |
| Function | Backup power supply |
| Dimensions | 77.20 × 50.80 × 25.80 mm |
| Weight | 0.315 kg |
| Installation | Control system / module slot |
| Application | Industrial automation systems |
| Environment | Industrial-grade |
| Reliability | Designed for continuous operation |
| Compatibility | Honeywell control systems |
The TC-BATT03 provides backup power to maintain system operation when the main power supply is unavailable.
Supplies backup energy to critical system components
Maintains volatile memory and system settings
Ensures uninterrupted operation during power loss
Automatically activates when primary power fails
Data retention during outages
System stability support
Continuous operation of control modules
Protection against data loss
This ensures that system configurations and operational data remain intact.
The TC-BATT03 is an essential component in Honeywell control systems, supporting:
Memory retention for controllers
Backup power for critical modules
System reliability during power fluctuations
Continuous operation of automation systems
It ensures that control systems can recover quickly after power interruptions without data loss or reconfiguration.
The Honeywell TC-BATT03 is commonly used in:
Distributed Control Systems (DCS)
Oil and gas facilities
Petrochemical and chemical plants
Power generation systems
Manufacturing automation environments
Critical industrial control applications
It is especially important in systems requiring high reliability and data integrity.
For optimal performance, the TC-BATT03 should be:
Installed in designated battery slots or modules
Properly connected to Honeywell control systems
Installed following safety and handling guidelines
Regularly inspected for performance and lifespan
Replaced as part of preventive maintenance schedules
Correct installation ensures reliable backup power and system protection.
The TC-BATT03 typically works with:
Honeywell control processors
Memory modules and controllers
Distributed control system components
Power supply systems
Industrial control racks and cabinets
These components together ensure stable and reliable system operation.
| Model | Type | Key Feature | Application |
|---|---|---|---|
| TC-BATT03 (51199942-300) | Battery Module | Original Honeywell backup battery | Honeywell systems |
| TC-BATT02 | Battery Module | Standard backup solution | General applications |
| Industrial Backup Batteries | Power Component | Extended runtime support | Critical systems |
| High-Capacity Batteries | Battery Module | Longer backup duration | High-demand environments |
| Replacement Battery Modules | Spare Component | Maintenance replacement | System upkeep |
Provides reliable backup power for critical systems
Ensures data retention during power failures
Enhances system stability and uptime
Compact and easy-to-install design
Designed for industrial environments
Supports continuous operation of control systems
What is the main function of the TC-BATT03?
It provides backup power to maintain system memory and operation during power loss.
Does it prevent data loss?
Yes, it helps preserve system data and configurations during outages.
Where is it typically used?
It is used in industrial control systems requiring reliable backup power.
The Honeywell TC-BATT03 (51199942-300) Industrial Battery Module is a critical component for maintaining system reliability and data integrity in industrial automation environments.
It offers:
Stable backup power
Protection against data loss
Reliable system operation during outages
Easy integration into Honeywell systems
For engineers and maintenance teams, this battery module ensures continuous system reliability and operational security in demanding industrial applications.