HP 848234-001 RTC battery is a replacement component for the real-time clock system in the HP ZBook 15 G3 Mobile Workstation. HP’s service guide identifies this exact part number for that model.
The assembly includes a cable and double-sided adhesive. In the documented service procedure, the cable connects to the system board and the battery detaches from the base enclosure, making it a model-specific part for servicing the clock battery assembly.
This item is suited to repair or replacement work on the ZBook 15 G3 where the RTC battery assembly is needed. The guide lists it as a spare part and describes its removal and refitting.