Lenovo 5M11L99160 is an internal replacement battery for compatible Lenovo laptops. Its battery model is L20M4P75, helping identify the part when checking laptop compatibility.
The four-cell lithium-ion pack has a rated energy capacity of 90 Wh and a rated voltage of 15.52 V. Assembly number SB11K07734 provides another identifier for this specific battery.
It serves as the laptop’s internal power source after the existing battery is replaced. The listed part number is 5M11L99160; the battery model is L20M4P75.