SPIDER Automation | BR-2/3AG 3V 1450mAh Lithium Battery | Industrial PLC Memory Backup Cell
The SPIDER Automation BR-2/3AG Lithium Battery is an industrial primary battery designed for memory backup and real-time clock retention in electronic equipment. It uses lithium poly-carbon monofluoride chemistry, commonly identified by the BR battery designation, and is intended for low-current standby applications in PLC controllers, industrial instruments and electronic systems.
The BR-2/3AG is the upgraded capacity variant of the earlier BR-2/3A battery. Its increased capacity supports extended backup operation in compatible equipment while retaining the same stated form factor and other specifications.
Technical Features & Functional Characteristics
- BR Lithium Chemistry: Uses lithium poly-carbon monofluoride chemistry for primary battery applications.
- Upgraded Capacity: The BR-2/3AG variant increases rated capacity compared with the earlier BR-2/3A version.
- Low-Current Operation: Designed for low-current backup circuits such as memory and real-time clock supplies.
- Non-Rechargeable Construction: Functions as a primary lithium cell and is not designed for recharging.
- Low Self-Discharge: Supports extended storage and standby use in compatible equipment.
- Compact Cylindrical Format: Provides a compact battery form for compatible industrial battery compartments.
Applications
The BR-2/3AG is intended for electronic equipment that uses a compatible 3V BR-series battery to maintain stored data, buffer memory or clock functions when the main power source is interrupted.
- Memory Backup (MBU): Standby power for compatible electronic memory-retention circuits.
- GE Fanuc PLC Controllers: Backup battery applications in compatible programmable logic controllers.
- Texas Instruments PLC Controllers: Memory backup for supported controller models designed for this battery type.
- Sequential Circuits Synthesizers: Backup power for compatible synthesizer memory-retention systems.
- Real-Time Clock Circuits: Maintains clock backup in equipment designed for a 3V BR-series battery.
- Industrial Electronic Meters: Backup supply for compatible metering and measurement instruments.
- Industrial Control Equipment: Battery backup for supported low-current control and data-retention circuits.
- Programmable Instruments: Standby power for compatible instruments that retain settings or stored parameters.
Package Contents
- 1 × BR-2/3AG 3V 1450mAh Lithium Battery
Product Specifications
| Parameter | Specification |
|---|---|
| Product Type | Industrial Lithium Primary Battery |
| Battery Series | BR Series |
| Model Number | BR-2/3AG 3V |
| Battery Chemistry | Lithium Poly-carbon Monofluoride (BR) |
| Nominal Voltage | 3V |
| Rated Capacity | 1450mAh (1.45Ah) |
| Previous Capacity Variant | 1200mAh (Earlier BR-2/3A Version) |
| Rechargeable | No – Primary Battery |
| Continuous Discharge Current | 2.5mA |
| Diameter | 17mm |
| Height | 33.5mm |
| Dimensions (Diameter × Height) | 17 × 33.5mm |
| Weight | Approximately 12g |
| Primary Application | PLC, Memory and Real-Time Clock Backup |
| Package Quantity | 1 Battery |
Connection & Operating Recommendations
Install the BR-2/3AG only in equipment designed for a compatible 3V BR-series primary lithium battery. In memory-backup applications, correct polarity and the equipment manufacturer’s battery replacement procedure are essential for preserving stored settings and clock information.
- Equipment Compatibility: Match the BR-2/3AG model, voltage and physical dimensions with the battery requirements in the equipment manual.
- Polarity: Align the positive and negative terminals with the markings in the battery compartment or connector assembly.
- Backup Current: Use the cell in applications compatible with its low-current discharge rating.
- Memory Retention Procedure: Follow the equipment manufacturer’s replacement procedure. Some PLC and CNC systems require the primary equipment supply to remain active during battery replacement.
- Non-Rechargeable Cell: Never connect the battery to a charging circuit or attempt to recharge it.
- Storage: Keep the battery in a dry location and protect it from excessive heat, conductive materials and accidental short circuits.
- Replacement & Disposal: Replace the cell according to equipment maintenance requirements and dispose of used batteries through appropriate battery collection channels.
