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Replacement Batteries for Allen Bradley PLCs

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Allen Bradley PLC Batteries for Reliable Control Memory

Allen Bradley PLC batteries are essential replacement parts for maintaining program memory, real-time clock settings and controller configuration in industrial automation systems. In this category you can find lithium PLC battery options for popular Allen Bradley and Allen-Bradley references, including 1747-BA, 1756-BA2, 1770-XYB, 1770-XYC 9556902-LITH, MicroLogix 1100, Kinetix 2000 and other compatible part numbers.

Battery for Allen Bradley 1747-BA - 3.0V

Compatible replacements for classic PLC systems

The Allen Bradley 1747-BA battery is commonly used in SLC and related automation equipment where stable backup power is needed. Choosing the correct voltage and connector type helps reduce downtime during scheduled maintenance and prevents unnecessary loss of stored parameters.

Before replacing a PLC battery, always compare the model number printed on the existing battery with the reference listed on the product page.

Battery for Allen Bradley 1756-BA2 - 3V Li-MnO2

3V lithium batteries for ControlLogix applications

Many Allen Bradley controllers use 3V Li-MnO2 battery packs for backup functions. The 1756-BA2 is one of the frequently searched replacement references for ControlLogix environments. Lithium manganese dioxide chemistry is valued for dependable shelf life and stable output in low-drain memory backup applications.

How to choose the right Allen Bradley replacement battery

Industrial PLCs are often installed in demanding environments, so battery selection should be based on the exact part number rather than only the physical shape. A visually similar cell may have different chemistry, connector polarity or cable length. For best results, check the controller manual and the label of the old battery.

  • Match the reference: look for codes such as 1747-BA, 1756-BA2, 1770-XYB, 1770-XR or COMP-295.
  • Check the voltage: this category includes common 3.0V and 3.6V PLC batteries.
  • Confirm the chemistry: Li-MnO2 and Li-SOCl2 batteries are not interchangeable unless the device documentation confirms compatibility.
  • Plan replacement in advance: change batteries during scheduled service to avoid unexpected production interruptions.
Battery for Allen Bradley 1770-XYB - 3V Li-MnO2

Support for legacy Allen Bradley part numbers

Older automation equipment can remain in operation for many years, and suitable battery replacements are still important for maintenance teams. References such as 1770-XYB and 1770-XYC are included for users servicing established installations where a direct, clearly identified replacement is required.

Battery for Allen Bradley 1770-XYC 9556902-LITH - 3V Li-MnO2

Order with confidence

BatteryMarket.bg offers a focused selection of Allen Bradley PLC battery replacements for maintenance engineers, automation technicians and purchasing departments. Browse the products above, compare the specifications and select the battery that matches your controller model.

Tip: Replace the PLC battery while the controller is powered and follow the manufacturer procedure whenever possible.

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