Lenovo Legion Y540 review: Casual gaming with an Nvidia GeForce GTX 1660 Ti - Neowin
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 review: A capable entry-level 144Hz gaming laptop
How To Boost battery Of Laptop Lenovo Legion Y540 In 2021 - YouTube
New Genuine Battery For Lenovo Legion Y540-15irh-pg0 5b10q93417, 928qa231h, L17l3pg3, L17m3pg3 11.4v 4610mah - Laptop Batteries - AliExpress