Lenovo 5B11Q01993 is a four-cell lithium-ion battery for select Lenovo laptop configurations. Identified as model L24B4PK4, it is intended to serve as a replacement power source where compatible. Lenovo's battery safety data sheet also associates this part with assembly number SB11Q02056.
The distributor lists a rated voltage of 12.92 V and a capacity of 60 Wh. Lenovo's safety data sheet gives the same voltage and an energy rating of 58.8 Wh for this part, so both reported capacity figures are retained here.