Lenovo 5B11K09313 is a replacement laptop battery listed as a genuine Lenovo part. It is intended for select Lenovo laptops, supplying portable power when you use the computer away from an AC outlet or need to replace its installed battery.
The pack uses 3 lithium-ion cells and has a stated energy capacity of 47Wh at 11.31V. Its model is L22D3PF2; these identifiers describe this battery variant and can help distinguish it from other Lenovo battery options.