Allen-Bradley 1770-XR Lithium Battery With Fuse

Allen-Bradley 1770-XR Lithium Battery With Fuse is a lithium D-cell backup battery with an inline fuse and tabs, designed to preserve PLC-3 memory when main power is removed. The 1770-XR battery assembly, often listed as 1770-XR-BATTERY, is intended for use with Allen-Bradley PLC-3 controllers to maintain processor memory during power interruptions. It is described as a Lithium D Cell Battery with Tabs and Fuse, providing the memory retention function for PLC-3 systems. Replacement part numbers associated with this model include 955168 and 96546904, and it is part of the Rockwell Automation 1770-XR family of PLC-3 memory backup batteries.