Allen Bradley 1756-BA2 ControlLogix Lithium Battery

Product Introduction

The Allen-Bradley 1756-BA2 is a ControlLogix lithium backup battery designed to preserve critical controller memory and system data during power interruptions. It is an essential accessory for ControlLogix controllers, ensuring that configuration data, user programs, and operational states remain intact when external power is unavailable.

With a compact form factor and stable electrical characteristics, the 1756-BA2 battery is optimized for industrial automation environments where data integrity, system reliability, and predictable performance are required. It is commonly used in ControlLogix systems that operate continuously or experience periodic power cycling.

---

Product Specifications

---

Applications

• Used for retaining ControlLogix controller memory during power loss or shutdown

• Suitable for industrial automation systems where program and configuration protection is required

• Applied in manufacturing, process control, and infrastructure automation

• Commonly installed in systems with frequent power interruptions or maintenance cycles

• Ideal for mission-critical control systems requiring secure data retention

---

Advantages

• Stable 3 VDC output ensures consistent memory retention

• 1200 mAh capacity provides reliable backup support for controller data

• Compact dimensions allow easy installation in confined controller housings

• Lightweight design simplifies handling and replacement

• Wide operating temperature range supports industrial operating conditions

• Native compatibility with ControlLogix controllers ensures safe and reliable operation

FAQ

1. What is the primary purpose of the 1756-BA2 battery?
   It maintains controller memory and configuration data when main system power is removed.

2. Which controllers are compatible with this battery?
   It is designed for use with compatible ControlLogix controllers that support lithium backup batteries.

3. Does the battery power the controller CPU?
   No, it only supplies backup power for memory retention, not for controller operation.

4. How does battery capacity affect system behavior?
   Adequate capacity ensures reliable data retention during extended power interruptions.

5. Can the battery be replaced without shutting down the system?
   Yes, replacement can typically be performed while the controller is powered to prevent data loss.

6. Is the 1756-BA2 rechargeable?
   No, it is a non-rechargeable lithium battery designed for long-term backup use.

7. What happens if the battery voltage drops below nominal level?
   Controller memory retention may be compromised, indicating that replacement is required.

8. Does operating temperature influence battery performance?
   Yes, operating within 0–60 °C ensures stable voltage and reliable capacity.

9. Is any configuration needed after battery installation?
   No additional configuration is required; the controller automatically uses the battery for backup.

10. Why should an original ControlLogix battery be used?
    Using a compatible battery ensures correct voltage, capacity, and safe operation within the controller design.

Related Models

---

Popular Models

Excellent PLC Co., Ltd. has a large number of brand new and original PLC and DCS spare parts, with more than 60 cooperative countries. All products are guaranteed for 1 year and delivered to you by high-quality express. We are committed to using the best products and the most favorable prices to meet the needs and friendship of our customers. We have won the trust of thousands of customers, including these excellent customers.

As for the delivery time, when we receive your order requirements, we will arrange for warehouse personnel to test and verify the products. After you place the order, we will send it to you within 24 hours.