HB Plus L18C4PF3 L18M4PF3 L18M4PF4 Laptop Battery Compatible for Lenovo IdeaPad C340-14API C340-14IWL C340-14IML S540-14API S540-14IWL S540-14IML Flex-14IML Flex-14IWL Flex-14API 5B10T09077 5B10T09080