Vantage said 1 hour 40 minutes of battery life when on 99% (Legion Y540). This charge has lasted 4 hours and still has 30%. Why is this happening? : r/Lenovo
Lenovo Legion Y540-15IRH Laptop Review: A good gaming laptop with a GeForce GTX 1660 Ti GPU - NotebookCheck.net Reviews
Lenovo Legion Y540 review: Professional or a gaming laptop? | Technology News,The Indian Express
Battery life & temperature : Lenovo Legion Y740 (9th Gen) review: A gaming laptop that looks all business - HardwareZone.com.sg