Description
Allen-Bradley 1747-BA SLC 500 Battery — 3V (CR14250SE)
Key Features
- Original Allen-Bradley battery, supplied with original manufacturer box
- Pre-wired with 6-pin Phoenix connector for direct plug-in installation — no soldering required
- 3V lithium battery assembly (CR14250SE-type cell), non-rechargeable
- For Allen-Bradley SLC 500 series processors (SLC 5/02, 5/03, 5/04, 5/05, 1747-L511, 1747-L514)
- Maintains CPU RAM, user program, and real-time clock during power loss
- Typical backup life around 2 years in service (up to ~5 years for the 1747-L511)
- Not compatible with ControlLogix/CompactLogix (Logix5000 platform) or MicroLogix — those use a different battery
Technical Specifications
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| Brand | Allen-Bradley |
| New (Original Allen-Bradley packaging) | |
| Part Number | 1747-BA |
| Battery Cell | CR14250SE-type (1/2 AA lithium) |
| Chemistry | Lithium, non-rechargeable |
| Voltage | 3V DC |
| Connector | 6-pin Phoenix connector, pre-wired |
| Compatible Processor Family | SLC 500 series |
| Typical Backup Life | ~2 years in service (up to ~5 years for 1747-L511) |
| Operating Temperature | 0°C to 60°C |
| Warranty | 30-Day Replacement |
Compatible Models
Allen-Bradley SLC 500 Controllers:
- SLC 5/02 Processor
- SLC 5/03 Processor
- SLC 5/04 Processor
- SLC 5/05 Processor
- 1747-L511 Processor
- 1747-L514 Processor
Not compatible with:
- ControlLogix / CompactLogix (Logix5000 platform) — these use the 1756-BA1, 1756-BATA, or 1769-BA battery instead
- MicroLogix 1100 — uses the 1763-BA battery
Disclaimer
- This is a non-rechargeable primary lithium battery. Do not attempt to charge, short-circuit, puncture, or dispose of in fire.
- Confirm your controller’s exact catalog number and battery type before ordering — the 1747-BA is specific to SLC 500 processors and is not interchangeable with ControlLogix/CompactLogix (Logix5000) or MicroLogix battery types.
- Follow your controller’s manufacturer-specified battery replacement procedure (e.g. replace with the controller powered on) to avoid loss of RAM/program data.
If you are unsure which model is suitable, chat with the NJ Bravo team before ordering. We will help you check the part number, connector, and compatibility.
Package Contents
- 1x Allen-Bradley 1747-BA battery assembly with cable and connector
- Original manufacturer box
- No PLC unit or mounting hardware included
Warranty
- 30-day replacement warranty.
Covers manufacturing defects and dead-on-arrival units only — physical damage, incorrect installation, or attempts to recharge this non-rechargeable cell are not covered.
Additional Notes
Product Description
The Allen-Bradley 1747-BA is a 3V lithium battery module used to maintain CPU RAM, the user program, and the real-time clock on Allen-Bradley SLC 500 series programmable controllers during a power loss. It ships pre-wired with a 6-pin Phoenix connector for direct plug-in replacement — no soldering or field wiring required. Typical service life is around two years, with the processor’s battery-low LED indicating when a replacement is due. Because several Allen-Bradley PLC families use differently numbered batteries, always confirm your processor’s exact catalog number before ordering.
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