6ES7 971-0BA00 Backup Battery for Siemens S7-400 PLC, 3.6V Lithium Thionyl Chloride

Product Overview

The 6ES7 971-0BA00 is a high-performance backup battery designed as a direct replacement for Siemens SIMATIC S7-400 series PLC CPU modules. It provides reliable power to retain user program, parameter settings and real-time clock data during main power outages, ensuring uninterrupted operation of industrial automation systems. This 3.6V lithium thionyl chloride battery features long shelf life, stable voltage output and excellent low-temperature performance, making it ideal for harsh industrial environments.

Key Features

• Direct replacement for 6ES7971-0BA00 / 6ES7 971-0BA00, fully compatible with Siemens S7-400 CPU modules
• 3.6V nominal voltage, high capacity lithium thionyl chloride chemistry for extended service life
• Low self-discharge rate, up to 10-year shelf life under proper storage conditions
• Wide operating temperature range, suitable for -40°C to +85°C industrial environments
• Built-in safety mechanism to prevent over-discharge and short circuit
• Easy plug-and-play installation, no modification required

Specifications

Applications

This backup battery is widely used in industrial automation scenarios that require reliable data retention for PLC systems, including manufacturing production lines, power distribution systems, water treatment plants, chemical processing facilities, automotive assembly lines, and other industrial control systems equipped with Siemens S7-400 series PLCs. It is also suitable for OEM equipment manufacturers, system integrators and industrial maintenance teams as a routine maintenance spare part.

Package Contents

• 1 x 6ES7 971-0BA00 PLC Backup Battery
• 1 x Anti-static packaging bag