The Lenovo 5B11Q51975 is a one-cell, 3 V CMOS battery identified as JHT/Maxell. It is a specific Lenovo replacement part for the computer’s CMOS battery position.
The distributor lists this exact part number under CMOS batteries and describes it as an original Lenovo battery. Its one-cell format and 3 V rating distinguish it from larger multi-cell batteries that power a laptop.
It is intended for the CMOS battery function in a compatible Lenovo computer. No compatible model list, connector details, or package contents are provided in the source.