Lenovo L18C4PF0 15.36V 45Wh 4-Cell Li-Ion Internal Battery for IdeaPad S540 Series 5B10W67334

If your Lenovo IdeaPad S540 shuts down unexpectedly or no longer holds a charge, the original battery has likely reached the end of its life. This genuine Lenovo L18C4PF0 internal battery restores reliable all-day power, letting you work, stream, and browse without being tethered to a wall outlet. Built to the same specifications as the factory-installed unit, it ensures a perfect fit and seamless communication with your laptop’s power management system.

Who is it for

This battery is intended for owners of Lenovo IdeaPad S540 series laptops who need a dependable replacement. It suits students, professionals, and home users who value portability and want to avoid the cost of a new computer. If your current battery drains quickly, fails to charge, or causes unexpected shutdowns, this replacement will bring your laptop back to life.

Main features

• Genuine Lenovo FRU part number 5B10W67334 for guaranteed compatibility and quality.
• Lithium-Ion (Li-ion) chemistry with 4 cells for a balance of capacity and weight.
• 15.36 V output and 45 Wh capacity deliver long runtimes for everyday tasks.
• 2930 mAh charge capacity keeps your laptop running through meetings, classes, or flights.
• Compatible with IdeaPad S540-14IML, S540-14API, S540-14IWL, S540-15IML, S540-15API, and S540-15IWL.
• Internal design ensures a secure fit and original appearance.
• Rechargeable and built to withstand hundreds of charge cycles.

Specifications

• Brand: Lenovo
• Model: L18C4PF0
• MPN: 5B10W67334
• EAN: 5704174527374
• Battery type: Lithium-Ion (Li-ion)
• Voltage: 15.36 V
• Capacity: 45 Wh / 2930 mAh
• Number of cells: 4
• Colour: Black
• Condition: New
• Compatible series: Lenovo IdeaPad S540
• Compatible models: IdeaPad S540-14IML, S540-14API, S540-14IWL, S540-15IML, S540-15API, S540-15IWL

Tips

To maximize battery lifespan, avoid extreme temperatures and keep the charge level between 20% and 80% when possible. Calibrate the new battery by fully charging, then discharging to 5% once a month. Always use the original Lenovo AC adapter for optimal charging performance.