Service: What type of backup battery does the Eclipse E-Pico / E32 frame use?

The Eclipse E-Pico and older E32 1RU series of frames use a 1/2AA 3V Varta 6127-201-301 lithium non-rechargeable battery.  This battery is soldered to the main PCB and to replace requires that the frame be returned to an authorized service center. 
The Clear-Com part # for this battery is 400033Z. 

CPU card will retain data so long as the battery voltage remains above 1.5V.  2.5V


Solution update low battery voltage changed to 2.5V on Feb 2021


The datasheet for this battery is attached below.