Performance, battery life, features and verdict - Lenovo Legion Y740 review | TechRadar
Y740-15 battery swap achieved! : r/Lenovo
Lenovo Legion Y740 (17-Inch) Review | PCMag
Legion Y740, 4 to 5 hours battery life under use. After updating bios, enabling hybrid graphics mode, undervolting cpu by 155 mV and setting screen brightness to 50%. : r/Lenovo