Siemens SIMATIC S7-400, Backup battery 3.6 V/2.3 AH for PS 405 4 A/10 A/20 A and PS 407 4 A/10 A/20 A

Indent 4 to 6 weeks

The Siemens SIMATIC S7-400 Backup Battery, 6ES7971-0BA00 is a 3.6 V, 2.3 Ah lithium backup battery designed specifically for SIMATIC S7-400 automation systems. It is used with PS 405 and PS 407 power supply modules in 4 A, 10 A, and 20 A versions. 

The battery provides backup power to the S7-400 system when the primary power supply is switched off or interrupted, helping maintain backed-up data and system information. Siemens specifies it as a Type AA lithium battery, with a nominal voltage of 3.6 V and capacity of 2.3 Ah. Its approximate weight is 25 g. 

Key Features

• Brand: Siemens
• Product family: SIMATIC S7-400
• Article/MLFB: 6ES7971-0BA00
• Battery type: Lithium, Type AA
• Nominal voltage: 3.6 V DC
• Nominal capacity: 2.3 Ah
• Compatible power supplies: PS 405 and PS 407
• Compatible ratings: 4 A / 10 A / 20 A
• Approx. weight: 25 g