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Product specification sheet

6ES7971-0BA00Document: AV-REF-Siemens-6ES7971-0BA00
Siemens6ES7971-0BA00Product image is not available.

Siemens · PLC and HMI

Siemens PS405/PS407 backup battery,AA3.6 V2.3 Ah / 6ES7971-0BA00

6ES7971-0BA00: PS405/PS407 backup battery,AA3.6 V2.3 Ah. Specifications follow the exact manufacturer row; confirm the complete host configuration, revision and current availability before ordering.

Manufacturer part number
6ES7971-0BA00
Brand
Siemens
Category
PLC and HMI
Catalog status
Request a quotation

Technical specifications

Controller family
SIMATIC S7-400
Component role
Backup battery
Application
Listed with PS405/PS407 power-supply ordering data
Battery format
Type AA
Rated voltage
3.6 V
Capacity
2.3 Ah
Compatibility scope
Use the exact manufacturer battery specification; AA format alone does not establish substitution compatibility
Document pages
PDF 137
Current lifecycle status
Not established by historical May 2017 catalogue; confirm current lifecycle and supply separately
Manufacturer technical catalog · Siemens ST400 May 2017; exact technical/ordering row, PDF 137 · en · PDF · May 2017Manufacturer source: Siemens · Model explicitly covered in family document · Covered models: 6ES7971-0BA00 · Checked: 2026-10-22Official manufacturer source

This sheet provides a quick technical summary. For design, installation and final selection, review the latest official manufacturer documentation and verify the complete part number.