Allen-Bradley 1756-BA1
Allen-Bradley 1756-BA1
Allen-Bradley 1756-BA1
Allen-Bradley 1756-BA1
Allen-Bradley 1756-BA1
Allen-Bradley 1756-BA1
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  • Lifecycle status

    End of Life
    Discontinued date: 2027-12-31
    Replacement category: No planned RA replacement

1756-BA1

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Allen-Bradley 1756-BA1 is a non-rechargeable lithium backup battery for Series A ControlLogix 5560 controllers and documented legacy Logix platforms.
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Technical specifications for 1756-BA1

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1756-BA1
  • Product Family:
    ControlLogix
  • Product Type:
    Lithium Battery Assembly
  • Stock:
    1
  • Other Documented Platforms:
    1756-L1, 1756-L55, FlexLogix 1794-L33/L34, and DriveLogix 5720 controllers, subject to exact controller verification
  • Function:
    Controller memory backup when external power is unavailable
  • Controller Connection:
    Battery connector at the right of the battery slot
  • Low-Battery Indication:
    Steady red BAT indicator; minor fault Type 10, Code 10 on 1756-L6x
  • Low-Battery Threshold:
    Approximately 95% discharged
  • Recommended Storage:
    Cool, dry location at 25 °C with 40–60% relative humidity
  • Long-Term Storage Limit:
    Do not store above 60 °C for more than 30 days
  • Assembly Manufacturer:
    Inventus Power Inc.
  • Assembly Part Number:
    94194801
  • Lithium Content:
    0.52 g
  • Tariff Code:
    8506500090
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Compatibility Replacement Storage Application
  • Provides controller-memory backup for Series A 1756-L6x ControlLogix 5560 controllers
  • Reports a low-battery condition through the controller BAT indicator and a documented minor fault
  • Uses a temperature-based replacement schedule for higher-temperature installations

Allen-Bradley 1756-BA1 is a hermetically sealed, non-rechargeable lithium battery assembly for controller-memory backup.

Rockwell specifies it for Series A 1756-L6x controllers and documents its use with selected earlier ControlLogix, FlexLogix, and DriveLogix controllers. Series B 1756-L6x controllers use the different 1756-BA2 battery.

Before replacement, confirm the controller catalog number and series, inspect the connector, apply hazardous-location precautions, record the installation date, and follow the temperature-based maintenance schedule.

Availability, condition, price, and shipping time for Allen-Bradley 1756-BA1 are confirmed during quotation.

Allen-Bradley 1756-BA1 Lithium Battery Manuals, Datasheets, Links

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

  • Series A 1756-L6x ControlLogix 5560 controllers use 1756-BA1
  • Series B 1756-L6x controllers require 1756-BA2 and must not be fitted with 1756-BA1
  • Official legacy instructions also document 1756-BA1 for 1756-L1, 1756-L55, FlexLogix 1794-L33/L34, and DriveLogix 5720 controllers
  • Remove power or confirm a nonhazardous location before connecting or disconnecting the battery
  • Connect the plug at the right of the battery slot, snap the battery into place, and verify polarity
  • Write the installation date on the label and attach it inside the controller door
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  • Store in a cool, dry location; Rockwell recommends 25 °C and 40–60% relative humidity
  • Do not store the battery above 60 °C for more than 30 days
  • Keep spare-battery receipt dates and apply the documented temperature-based replacement schedule after installation
  • Memory backup for Series A 1756-L6x ControlLogix 5560 controllers
  • Memory backup for documented 1756-L1 and 1756-L55 legacy ControlLogix controllers
  • Memory backup for documented FlexLogix 1794-L33/L34 and DriveLogix 5720 controllers
Description
Allen-Bradley 1756-BA1 is a hermetically sealed, non-rechargeable lithium backup battery used to preserve controller memory when external power is unavailable. Rockwell identifies it as the battery for Series A 1756-L6x ControlLogix 5560 controllers; it is not interchangeable with the 1756-BA2 used by Series B controllers.

A connected 1756-BA1 is monitored by the controller. On a 1756-L6x controller, a steady red BAT indicator and minor fault Type 10, Code 10 report that the battery is approximately 95% discharged. Remaining backup time after the warning depends on temperature and whether controller power remains off, so replacement should be scheduled promptly.

Before installation, verify the complete controller catalog number and series, remove power or confirm a nonhazardous location, inspect the battery connector and polarity, follow the temperature-based replacement schedule, and record the installation date on the label inside the controller door.
Revisions

Revision Part #

Also known as

1756-BA1 Ser A
1756-BA1/A, Series A, Rev A
Alternative Names
1756-BA1 1756 BA1 1756BA1 Allen-Bradley 1756-BA1 Allen Bradley 1756-BA1 AB 1756-BA1 ControlLogix 1756-BA1 FlexLogix 1756-BA1
Technical notes
Allen-Bradley 1756-BA1 is the Series A ControlLogix 5560 backup battery; confirm controller series, connector polarity, replacement date, and storage condition before installation.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
How can I confirm whether Allen-Bradley 1756-BA1 or 1756-BA2 is correct for my controller?
Check the controller series on its nameplate. Series A 1756-L6x controllers use Allen-Bradley 1756-BA1, while Series B controllers use 1756-BA2. Rockwell warns that connecting a battery other than the specified catalog number can damage the controller.
What does the BAT warning mean for Allen-Bradley 1756-BA1?
On a 1756-L6x controller, a steady red BAT indicator and minor fault Type 10, Code 10 mean Allen-Bradley 1756-BA1 is approximately 95% discharged. At 25 °C, Rockwell's worst-case table gives about 28 hours of backup after the warning if controller power is removed, so replace it promptly.
Must controller power be removed before replacing Allen-Bradley 1756-BA1?
Rockwell warns that connecting or disconnecting Allen-Bradley 1756-BA1 can create an electrical arc. Perform the work with power removed or only after confirming that the area is nonhazardous, and follow the site's approved maintenance procedure.
How is Allen-Bradley 1756-BA1 installed in a Series A 1756-L6x controller?
Connect the plug to the port at the right of the battery slot, snap Allen-Bradley 1756-BA1 into the slot, write the installation date on the supplied label, and attach the label inside the controller door. The middle terminal is black/negative and the bottom terminal is red/positive.
Can Allen-Bradley 1756-BA1 be stored as a long-term maintenance spare?
Yes, if storage conditions are controlled. Rockwell recommends a cool, dry location at 25 °C and 40–60% relative humidity and warns not to store Allen-Bradley 1756-BA1 above 60 °C for more than 30 days. Track receipt and installation dates.
Is Allen-Bradley 1756-BA1 rechargeable?
No. Allen-Bradley 1756-BA1 is a hermetically sealed primary lithium battery containing one FDK CR17335SE cell. Do not charge, short, crush, incinerate, or treat it as a lithium-ion battery; use the approved lithium-battery disposal route.
Can Allen-Bradley 1756-BA1 be used outside a Series A ControlLogix 5560 controller?
Official legacy instructions also document Allen-Bradley 1756-BA1 for 1756-L1 and 1756-L55 controllers, FlexLogix 1794-L33/L34 controllers, and DriveLogix 5720. Confirm the exact controller catalog number and series before purchase because later platforms may use a different battery.