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
Battery life & temperature : Lenovo Legion Y740 (9th Gen) review: A gaming laptop that looks all business - HardwareZone.com.sg
Lenovo Legion Slim 5 Review: Gaming Bargain with Long Battery Life : r/gadgets
Lenovo Legion 5 15IMH05H Review: Excellent power delivery and good battery life - NotebookCheck.net Reviews