6ES7971-0BA02
Image for illustration purposes only.
If you're unsure whether this part is a perfect match, please contact us.
| Condition | Warehouse | Stock | Price | |
|---|---|---|---|---|
|
New Sealed
Full 24 months warranty Est. shipping: August 10 2026 |
WM66-6E | Enquire now | £24.50 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: July 07 2026 |
WM49-6E | 100+ in stock | - | Get Quote |
|
New Sealed
Full 24 months warranty Est. shipping: July 13 2026 |
WM44-6E | 10+ in stock | - | Get Quote |
|
New
Full 12 months warranty Est. shipping: July 13 2026 |
WM44-6E | Low stock | - | Get Quote |
|
New
Full 12 months warranty Est. shipping: July 13 2026 |
WM61-6E | Low stock | - | Get Quote |
|
Used
Full 12 months warranty Est. shipping: July 13 2026 |
WM44-6E | Low stock | - | Get Quote |
| Buying more than one? | Get Quote | |||
Full 12 months warranty
The 6ES7971-0BA02 is a backup battery designed for use with the SIMATIC S7-400 series programmable logic controllers. It provides a reliable power source with a voltage of 3.6 V and a capacity of 2.3 Ah, ensuring data retention and dependable operation during power interruptions. Compatible with PS 405 and PS 407 power supplies across extended temperature ranges, it serves as an essential accessory for maintaining system stability and performance.
Siemens is a global leader in industrial automation, digitalisation, and electrification, offering products such as PLCs, drives, industrial robots, and process control systems. Known for innovation and sustainability, Siemens’ technologies enhance efficiency, safety, and performance across industries like manufacturing, energy, and healthcare.
***CJS Automation is NOT an authorised distributor of Siemens***
Get a Quote
What Happens Next?
Email Confirmation
We’ll send you an email confirming that we’ve received your enquiry and are processing your request.
Dedicated Account Manager
A member of our team will be in contact to confirm the part(s), specifications, and condition.
Your Quote
You will receive a comprehensive quote tailored to your specific needs.
Track Your Shipment
You'll receive tracking details once your order ships so you can follow it's progress.
Online Payments Accepted
If you're happy with your quote, you can pay by Bank Transfer or through our secure payment page using any of the following payment methods, just enter your invoice number and follow the on-screen instructions.
Other Siemens Parts
Closest part codes available to buy online.
GB 
US 
DE 
DK 
ES 
FI 
FR 
IT 
NL 
NO 
PT 
SE