Lenovo Legion Y740 17-Inch Review: RTX 2080 Graphics for Under $2,500 | Digital Trends
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
Battery life & temperature : Lenovo Legion Y740 (9th Gen) review: A gaming laptop that looks all business - HardwareZone.com.sg