A98L-0031-0006 IC693ACC301 BR-2/3A - 3V PLC CNC Memory Backup Battery for Fanuc 90-20 90-30 Power Mate A98L-0031-0006

3V non-rechargeable primary lithium memory backup battery for compatible PLC, CNC, and industrial control systems using a BR-2/3A cylindrical cell with a two-wire 2-pin connector. This battery provides standby power for retaining RAM-based programs, parameters, variables, ladder data, and other control information when main equipment power is removed. It replaces A98L-0031-0006, IC693ACC301, A02B-0177-K106, and the additional references listed below when the connector keying, polarity, voltage, and physical size match.

Technical Specifications

• Primary Part Number: A98L-0031-0006
• Alternate Catalog Part Number: IC693ACC301
• Part Type: PLC / CNC memory backup battery
• Cell Size: BR-2/3A
• Common Cell References: BR-2/3A, CR17335SE-R
• Battery Chemistry: Primary lithium
• Rechargeable: No
• Nominal Voltage: 3.0V
• Nominal Capacity: 1200mAh
• Nominal Energy: 3.6Wh
• Cell Configuration: Single-cell battery assembly
• Dimensions: Approximately 17mm diameter x 33.5mm height
• Approximate Weight: 19g
• Connector: Polarized 2-pin connector with wire leads
• Primary Function: Retention of programs, parameters, CMOS RAM, and control data
• Application Type: PLC, CNC, industrial controller, power-supply memory, and coprocessor-module backup

Interchangeable / Replacement Part Numbers

A98L-0031-0006, A98L00310006, IC693ACC301, IC693-ACC-301, IC693ACC301A, IC693ACC301B, IC693ACC301C, IC693ACC301D, IC693ACC301-CA, A02B-0177-K106, A02B0177K106, A02B-0118-K111, A02B0118K111, A02B-0200-K106, A02B0200K106, A03B-0805-K011, A03B0805K011, A06B-0168-D111, A06B0168D111, 44A724534-001, AFP8801, B9712T, BR-2/3A, BR2/3A, BR-2/3AC2SP, BR2/3AC2SP, BR-2/3AC2P, CR17335SE-R, CR17335SE, CR17335-SE, COMP-192, LCPLC-710

✅ Confirmed Compatibility

Please note that the following list is not exhaustive. Systems within the same control family may use different backup batteries depending on the CPU, power supply, control revision, or installed options. Verify the original battery part number, 3.0V rating, 17mm x 33.5mm cell size, connector keying, and wire polarity before installation.

✔️ Series 90-20 PLC Systems: Series 90-20 configurations including IC692CPU211 systems originally using IC693ACC301, A98L-0031-0006, or another listed replacement number
✔️ Series 90-30 PLC CPU Systems: IC693CPU311, IC693CPU313, IC693CPU323, IC693CPU331, IC693CPU340, IC693CPU341, IC693CPU350, IC693CPU351, IC693CPU352, IC693CPU360, IC693CPU363, IC693CPU364
✔️ Series 90-30 Power Supply Modules: IC693PWR321, IC693PWR322, IC693PWR328, IC693PWR330, IC693PWR331
✔️ Series 90-30 Programmable Coprocessor Modules: IC693PCM300, IC693PCM301, IC693PCM311
✔️ Series 90-30 State Logic Systems: IC693CSE311, IC693CSE313, IC693CSE323, IC693CSE331, IC693CSE340
✔️ CNC Series 16/18-B Controls: Series 16/18-B configurations equipped with the applicable power-supply or memory-backup circuit and originally using A98L-0031-0006
✔️ CNC Series 21-B Controls: Series 21-TB, Series 21-MB, Series 210-TB, and Series 210-MB configurations originally using A98L-0031-0006
✔️ Power Mate 0 Controls: Power Mate 0 including A02B-0166-B591 control-unit configurations
✔️ Power Mate D Controls: A02B-0166-B001, A02B-0166-B520, A02B-0166-B501, A02B-0166-B502, A02B-0166-B531
✔️ Power Mate E Controls: Power Mate E including A02B-0168-B012 control-unit configurations
✔️ Power Mate F Controls: A02B-0198-B501, A02B-0198-B531
✔️ Power Mate H Controls: Power Mate H configurations originally equipped with A98L-0031-0006, A02B-0177-K106, or another listed replacement number
✔️ Server Units: Server Unit 9010 configurations using the listed 3V BR-2/3A battery assembly

☑️ Key Features

☑️ 3.0V BR-2/3A primary lithium memory backup battery
☑️ 1200mAh nominal capacity for long-term low-current backup applications
☑️ Helps retain PLC programs, CNC parameters, ladder data, variables, and RAM contents
☑️ Compact 17mm x 33.5mm cylindrical cell configuration
☑️ Preassembled wire leads with a polarized 2-pin connector
☑️ Direct replacement for multiple PLC, CNC, power-supply, and controller battery references
☑️ Compatible with numerous legacy 90-20, 90-30, Power Mate, and CNC control configurations
☑️ Non-rechargeable design intended specifically for memory-backup applications

⚙️ Fit Notes

• Match the original battery part number whenever possible
• Confirm the original battery is rated 3.0V, not 3.6V or 6V
• Confirm the cell measures approximately 17mm x 33.5mm
• Verify the connector shape, keying, wire position, and polarity before connecting the battery
• The same control family may use different batteries depending on its power supply, CPU, main board, or revision
• Series 16/18-B systems must be checked carefully because different power-supply configurations can use different battery assemblies
• Do not substitute this battery for A98L-0031-0012 or CR17450SE-R; those references normally use a taller approximately 17mm x 45mm battery
• A single machine may contain separate batteries for control memory, servo amplifiers, encoders, or absolute pulse coders; confirm which battery is being replaced
• Back up all programs, parameters, and control data before battery replacement whenever possible
• Follow the replacement procedure in the equipment’s maintenance manual; required power and emergency-stop conditions differ between control systems
• Battery replacement in industrial equipment should be performed by qualified service personnel
• This battery is non-rechargeable and must never be connected to a charging circuit
• Do not short-circuit, crush, puncture, disassemble, incinerate, or expose the battery to excessive heat
• Dispose of the removed lithium battery according to applicable local regulations