Lenovo 5B11N46039 is a four-cell laptop battery, model L22X4PA0, intended to replace the battery in compatible Lenovo laptops.
It has a stated energy capacity of 60Wh and a nominal voltage of 15.44V. Lenovo documentation also associates this model with ASM part number SB11N46013 and a rated capacity of 3789mAh. These identifiers and electrical specifications describe this battery variant and help distinguish it from other Lenovo parts.
Use it to restore battery power in a laptop designed for this battery model.