Allen Bradley 1756-BA2 is a 3V non-rechargeable lithium memory backup battery assembly exclusively for Series B 1756-L6x ControlLogix PAC controllers. It retains volatile RAM data, user program and real-time clock during main power loss. It is pre-wired with a dedicated connector, not interchangeable with 1756-BA1, and this spare part is scheduled for discontinuation by Rockwell.
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1756-BA2
Allen Bradley
The Allen‑Bradley 1756-BA2 Battery — a dedicated lithium backup battery purpose‑built for Allen‑Bradley 1756 ControlLogix PLC automation control systems — provides stable backup power to retain controller RAM data, tag values and program information during main power interruption in industrial automation environments. Designed for discrete manufacturing, material handling, water‑wastewater treatment, petrochemical processing, and critical process industries, the Allen‑Bradley 1756-BA2 Battery integrates high‑performance lithium cell, protective circuit board, connector assembly and insulating housing, ensuring reliable data preservation for ControlLogix processors across all operating conditions.
The Allen‑Bradley 1756-BA2 Battery is compatible with multiple ControlLogix 1756 processor models, installs directly on the front battery socket of the compatible CPU module, and operates across a wide industrial temperature range of 0 °C to +60 °C. The Allen‑Bradley 1756-BA2 Battery carries industrial EMC compliance certification for heavy‑duty workshop environments, fully complying with UL, CE and relevant international industrial control equipment standards. Whether deployed for routine PLC maintenance, system commissioning or spare part stock replacement, the Allen‑Bradley 1756-BA2 Battery delivers the dependable backup power capability that ControlLogix data retention demands.
Part Number | 1756-BA2 |
Manufacturer | Allen Bradley |
System Compatibility | Allen‑Bradley 1756 |
Country of Origin | USA |
Product Condition | 100% New & Original |
Operating Temperature Range | 0 °C to +60 °C (32 °F to +140 °F) |
Lead Time | 2-3 business days after payment confirmation |
Warranty | 1 year |
Shipping Carriers | DHL, FedEx, UPS, TNT, EMS |
Contact:Cheryl Qi |
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The Allen‑Bradley 1756-BA2 Battery stands out from comparable backup batteries in several key areas.
Original dedicated memory backup power source. The Allen‑Bradley 1756-BA2 Battery is factory‑specified backup battery for Allen‑Bradley 1756 ControlLogix series processors, the Allen‑Bradley 1756-BA2 Battery matches the CPU battery interface perfectly without modification.
Reliable lithium cell performance. The Allen‑Bradley 1756-BA2 Battery adopts stable lithium chemistry, provides consistent 3.0V output, and the Allen‑Bradley 1756-BA2 Battery maintains low self‑discharge rate for long‑term standby use.
Built‑in multiple safety protection. The Allen‑Bradley 1756-BA2 Battery integrates short‑circuit and over‑discharge protection circuits, the protective structure of the Allen‑Bradley 1756-BA2 Battery avoids damage to the ControlLogix processor and the battery itself.
Easy plug‑and‑play replacement. The Allen‑Bradley 1756-BA2 Battery features pre‑wired connector design, technicians can replace the Allen‑Bradley 1756-BA2 Battery quickly during scheduled maintenance without special tools.
Wide compatibility with ControlLogix platform. As a factory‑original accessory of Allen‑Bradley 1756 series, the Allen‑Bradley 1756-BA2 Battery works with mainstream ControlLogix processors, and system battery low alarm can be monitored via RSLogix 5000.
PLC Memory Data Protection. Dedicated backup battery within Allen‑Bradley 1756 ControlLogix PLC systems, the Allen‑Bradley 1756-BA2 Battery preserves processor RAM program and tag data when chassis main power is cut off accidentally.
Periodic Preventive Maintenance. The Allen‑Bradley 1756-BA2 Battery is used for scheduled battery replacement of running ControlLogix systems in manufacturing, water treatment and conveyor control facilities.
Automation System Commissioning & Debugging. The Allen‑Bradley 1756-BA2 Battery keeps controller data intact during repeated power cycling tests and site commissioning.
Legacy ControlLogix System Spare Replacement. The Allen‑Bradley 1756-BA2 Battery is widely stocked as spare part for aging ControlLogix cabinets to prevent unexpected data loss.
General Industrial Control System Maintenance. The Allen‑Bradley 1756-BA2 Battery is the standard memory backup accessory for all applicable 1756‑based automation projects.
The Allen‑Bradley 1756-BA2 Battery holds the following international safety and compliance approvals:
• UL listed — North‑American industrial control equipment safety approval.
• CE certification — European industrial control equipment safety and EMC compliance.
• C‑Tick marked — EMC compliance for Australian and New Zealand markets.
All units supplied are 100% new original Allen‑Bradley parts. Every Allen‑Bradley 1756-BA2 Battery unit is functionally inspected before dispatch, packed in professional anti‑static packaging, and covered by a one‑year warranty from the date of delivery.
Get the Allen Bradley 1756-BA2 with fast worldwide delivery — in‑stock units ship within 2‑3 business days of payment confirmation.
• Email: chen@htechplc.com
• WhatsApp / Phone: +86-181-5013-7565
• Shipping carriers: DHL, FedEx, UPS, TNT
Why buy from us:
• 100% new and original Allen‑Bradley 1756 series parts including the Allen‑Bradley 1756-BA2 Battery
• Every product tested before shipment
• Professional anti-static packaging
• One‑year warranty on all units
• Free online quotes and 24/7 technical support
• Competitive pricing with fast global delivery