Original German Siemens 6ES7291-8BA20-0XA0 BC291 Battery Module for S7-200 PLC Data Retention
Offer original German-manufactured Siemens 6ES7291-8BA20-0XA0 (BC291), a dedicated lithium battery module for SIMATIC S7-200 (S7-22X series) CPUs. It plugs directly into the CPU’s memory slot to sustain RAM data, programs, and clock settings during power outages, critical for avoiding data loss and downtime in industrial automation. 100% genuine, sealed packaging, 12-month Siemens warranty, global shipping.
Part No：6ES7291-8BA20-0XA0
Type：Battery Module (BC291)
Compatibility：Siemens S7-200 CPU222, CPU224, CPU224XP, CPU226
Chemistry：Lithium Voltage：3.6V
Capacity：1200mAh Life：2–5 years (ambient temp dependent)
Installation：Plug-and-play (CPU memory slot)
Function：Power-off data/program/clock retention
Origin：Germany
Weight：~6g
Dimensions：50×83×17mm