Lenovo CMOS battery 5B11M05349 is a replacement part for systems that use this CMOS battery configuration. The listing identifies it as a CR2016 battery with a 30 mm, 2-pin configuration and MAXELL designation, helping distinguish this assembly from other battery types.
The retailer lists it for ThinkPad P1 Gen 6, ThinkPad P1 Gen 7 and ThinkPad P1 Gen 8. Its CMOS battery classification and exact part number make the item straightforward to identify when servicing one of those listed systems. This compact component is intended for compatible devices requiring the specified battery assembly.