Description
BR-2/3AGCT4A Battery GE Fanuc Controller
BR-2/3AGCT4A Battery Fanuc CNC / PLC (6V Lithium Backup). The BR-2/3AGCT4A is a 6V non-rechargeable lithium backup battery pack used in many
Fanuc CNC and PLC/industrial control applications to maintain memory/parameters when power is off.
Common cross-reference: Fanuc A98L-0031-0025 (CUSTOM-107) BR-2/3A4F Replacement.
This is a 4 cell lithium primary battery designed to work in Fanuc 18-T series programmable logic controllers and robot controllers and Fanuc ALPHA iSV, BETA iSV and BETA iSVSP CNC system amplifiers.
Key Features
- Voltage: 6.0V
- Chemistry: Lithium (primary / non-rechargeable)
- Leads/Terminal: Wire leads with connector
- Operating temperature (typical): -40°C to +85°C
Fit / Compatibility (common)
Often listed for use in Fanuc 18-T series controls and various Fanuc robot/CNC systems and amplifiers
(specific models vary by machine). Always match your existing battery’s connector and part number before ordering.
Connector Note (Important)
Connector styles can vary (often referenced as a T4A 2-position plug and may be described by color such as
black/brown depending on supplier). Please compare your existing connector to the product photos or contact us if unsure.
Specs (typical for BR-2/3AGCT4A packs)
- Dimensions (approx): 1.80″ L x 1.38″ W x 1.33″ H
- Capacity: commonly listed around 2400–2900mAh depending on brand/version
Cross-Reference Part Numbers
- Panasonic: BR-2/3AGCT4A
- Fanuc: A98L-0031-0025
- BR-2/3A4F
Installation / Safety
- Non-rechargeable: Do not charge, short-circuit, or disassemble.
- Follow your machine/OEM procedure—replacing a memory backup battery incorrectly may result in data loss.
- If you’re not sure, we recommend having a qualified technician perform the replacement.
Need help matching the connector? Send us a photo of your current battery pack and connector and we’ll help confirm fit.
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