1756-BA2 | Allen-Bradley ControlLogix Lithium Metal Battery Assembly For 1756-L6x Processors

Allen-Bradley · HMIs & Displays

Description  The Allen-Bradley 1756-BA2 is a lithium metal battery assembly designed to provide backup power for ControlLogix processor memory and real-time clock retention. This part number ensures stored data remains intact during power loss, supporting reliable controller operation. Manufactured by Rockwell Automation, the battery offers stable long-term performance for ControlLogix systems.     Technical Specifications  Condition New/Never Used Surplus Brand Allen-Bradley Category Lithium Battery Part Number 1756-BA2 Subcategory ControlLogix Battery Assemblies Series ControlLogix Manufacturer Rockwell Automation Part Type Lithium battery assembly Rated Voltage 3 VDC Battery Capacity 1200 mAh (approx.) Slots Supported 7 Termination Type Wire leads to connector Power Dissipation (Max) 4.5 W Backplane Current (5 VDC) 10 A Backplane Current (24 VDC) 2.8 A Mounting Horizontal Enclosure Open Dimensions 20 × 24 × 8 in Operating Temperature 0 to 35 °C for rated life Storage Temperature –45 to 85 °C (short-term) Recommended Storage 25 °C, 40–60% RH     Information About 1756-BA2 The 1756-BA2 is part of the ControlLogix Series B controller accessories and is engineered to maintain non-volatile memory and clock functions when the processor is powered down. It uses a lithium cell connected via wire-lead termination and installs directly into the chassis for secure integration. With a nominal 3 VDC output and approximately 1200 mAh capacity, the battery provides multi-year backup life under recommended operating temperatures. Typical use is within 1756-L6x processor modules where continuous memory retention is required for automation tasks, sequencing, and controller configuration. Key Features: Lithium Metal Battery Assembly: Provides non-volatile memory backup for ControlLogix processors. Compatible with 1756-L6x Series B: Designed for direct use with ControlLogix controllers. 3 VDC Output: Ensures stable retention voltage for memory and clock operations. Wire-Lead Termination: Offers secure and simple connection to the processor module. Multi-Year Service Life: Rated for long duration when used within recommended temperature limits. Open-Style Installation: Fits horizontally within the chassis environment. The 1756-BA2 delivers the reliability and precision required for secure memory retention in industrial ControlLogix systems.

Brand: Allen-Bradley · Category: HMIs & Displays

Key features

• Lithium Metal Battery Assembly: Provides non-volatile memory backup for ControlLogix processors.
• Compatible with 1756-L6x Series B: Designed for direct use with ControlLogix controllers.
• 3 VDC Output: Ensures stable retention voltage for memory and clock operations.
• Wire-Lead Termination: Offers secure and simple connection to the processor module.
• Multi-Year Service Life: Rated for long duration when used within recommended temperature limits.
• Open-Style Installation: Fits horizontally within the chassis environment.

Specifications

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