Compatible Models:For Lenovo IdeaPad S540-15IML S540-15IWL Series Notebook .(Note: There are 2 battery L18M3PF8 and L18L4PF0 of the IdeaPad S540-15IML S540-15IWL laptop, Please choose the which one you are going to replace and according to your laptop's original battery.).
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Grade A cells mitigate the risk of battery leakage and maximize output stability. Built-in circuit protection, enhances safety of usage and extends battery life