Digital guide
You are here:
Fanuc BR-23AGCT4A
Product Name
Fanuc BR-23AGCT4A programmable logic controller backup lithium battery pack, also listed by suppliers as BR-2/3AGCT4A or BR-2-3AGCT4A for GE Fanuc PLC and robotics systems.
Product Introduction
This battery provides retained power for PLC memory, servo amplifier parameters and real-time clock circuits during main power loss. It is used as a direct replacement for Fanuc 18-T series controllers, GE Fanuc robotics backups and compatible industrial automation systems.
Detailed content
Technical Specifications
Rated voltage is 6 V. Documented cell configurations use lithium cells in a 2/3A-size pack format. Published replacement capacities include 2400 mAh primary lithium and 4400 mAh replacement pack depending on supplier and cell arrangement. Physical size listed by replacement suppliers is 33 mm x 34 mm x 34 mm. Compatible Fanuc and GE reference numbers include A98L-0031-0025 and A06B-6114-K504.
Functional Features
The pack maintains nonvolatile controller memory without external power. High-grade lithium cells provide stable discharge voltage across the operating life. Certified variants support CE, UL, RoHS, ISO 9001 and ISO 9002 compliance. Some replacement versions include self-protection against overcharge and deep discharge.
Application Scenarios
GE Fanuc 18-T PLC cabinets, Fanuc CNC servo amplifier backups, robotic controller memory retention, industrial automation panels requiring 6 V lithium backup power.
Performance Parameters
Nominal voltage 6 V, lithium chemistry, low self-discharge, continuous backup duty, operating temperature range according to cell specification, long shelf retention when stored in dry conditions.
Material Composition
Lithium primary cells or lithium-ion replacement cells, plastic or shrink-wrap cell housing, nickel-plated or tin-plated terminals, internal protection circuit where fitted.
Structural Characteristics
Compact rectangular 2/3A battery pack, fixed connector or lead termination according to compatible controller requirement, balanced cell stacking, insulated separator layers.
Working Principle
During main power operation the PLC power supply handles logic and memory. During power loss the battery pack supplies a regulated 6 V backup rail to static memory and clock circuits, preventing parameter corruption and program deletion.
Installation Requirements
Confirm original controller part number before fitting. Match voltage, terminal orientation and physical dimensions. Install in the designated battery holder or wired compartment. For non-removable internal packs use qualified personnel and proper insulation tools.
Usage Precautions
Do not short circuit terminals. Do not mix lithium primary and rechargeable chemistries. Replace at the controller-specified interval or when low-battery alarms appear. Recycle discharged lithium batteries through approved battery disposal channels. Store spare packs in dry conditions away from heat sources.
