Get longer battery life and improved laptop performance with a new Lenovo L18M4PF4 battery.
The Lenovo L18M4PF4 battery replaces the original battery found in IdeaPad S540-14API and C340-14API touch models. Additional compatible models and part numbers are listed below. Don't see yours? Go to our Lenovo battery page for the complete catalog.
We use the highest quality lithium-ion battery cells and components that charge faster, last longer and weigh less than cheaper, lower quality batteries. Low quality batteries can wear out in as little as six months. Our batteries on average last 3-5 years.
This L18M4PF4 battery is 100% compatible with the original ThinkPad battery specifications and is individually tested, inspected and backed by a 2 Year warranty.
