Allen-Bradley 1771-BA PLC Backup Battery - 1.5V 17,000 mAh

Product Overview

The 1771-BA is a standard D-cell battery from Allen-Bradley. It delivers 1.5 volts and 17,000 mAh capacity. This alkaline battery provides reliable backup power for industrial controllers. The button-top terminals make installation simple. It is a single-use battery with no recharge capability.

Application Scenarios

This battery supports PLC-2/20 and PLC-2/30 controllers. Each controller needs two 1771-BA batteries. They maintain program memory during power loss. The backup time reaches 6 months at 60°C. At 45°C, backup time extends to 12 months. Use in manufacturing plants, assembly lines, and automation systems.

Technical Specifications

• Manufacturer: Allen-Bradley
• Series: PLC 5
• Part Number: 1771-BA
• Product Type: Standard D-cell backup battery
• Terminals: Button top
• Capacity: 17,000 mAh
• Voltage: 1.5 Volts
• Chemical Property: Alkaline
• Application: Battery backup for PLC-2/20 and PLC-2/30 controllers
• Number of Batteries per Controller: 2
• Battery Backup Time: Approx. 6 months at 60°C, 12 months at 45°C
• Rechargeable: No

Installation & Maintenance Guide

Turn off controller power before replacing batteries. Insert two 1771-BA batteries with correct polarity. Use only alkaline D-cell batteries. Do not attempt to recharge. Replace both batteries when voltage drops. Dispose of used batteries according to local regulations. Store in a cool, dry place. Expected shelf life is several years.

Packing List

Each package contains one 1771-BA battery. For a full controller setup, order two batteries. Ships via FedEx, UPS, or DHL.