Allen-Bradley | 1756-BA2 | ControlLogix (1756 Series)

Product Description: Allen-Bradley 1756-BA2

The Allen-Bradley 1756-BA2 is a lithium battery pack used to provide backup power to retain user memory in ControlLogix processors during power loss. It ensures that volatile memory, including data and logic, is preserved when the controller is powered down or during an unexpected outage. Compact and easy to install, this battery is essential for maintaining system continuity in critical industrial applications.

Key Features

• Provides backup power to maintain controller memory
• Long-life lithium chemistry (3V nominal)
• Easy plug-in replacement – no tools required
• Supports ControlLogix controllers such as 1756-L6x series
• Factory-installed in many controllers and field-replaceable
• Helps prevent data loss in power- down conditions

Technical Specifications

• Battery Chemistry: Lithium (non-rechargeable)
• Nominal Voltage: 3.0V
• Capacity: Approx. 1200 mAh
• Shelf Life: Up to 10 years (uninstalled)
• Expected Life in Use: 2 to 5 years (depending on usage conditions)
• Operating Temperature: 0°C to 60°C
• Storage Temperature: -40°C to 85°C
• Dimensions: Compact form factor for direct controller installation
• Certifications: UL Recognized, CE, RoHS

Application Areas

• ControlLogix systems requiring memory retention
• Process industries with long-duration runtime requirements
• Remote or unmanned installations where power loss is possible
• OEM systems that must retain user programs and critical data
• Any application using volatile memory in Allen-Bradley 1756-L6x CPUs

Advantages

• Protects against data loss during power outages
• Simple field replacement without specialized tools
• Long-lasting battery life reduces maintenance frequency
• Ensures operational readiness upon power restoration
• Fully compatible with ControlLogix platform standards