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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
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Lenovo Legion Y740 (17-inch) review: Understated design conceals superior Nvidia RTX firepower - CNET
![Lenovo Legion Y740 review: A laptop built for the future has a few issues in the here and now | PCWorld Lenovo Legion Y740 review: A laptop built for the future has a few issues in the here and now | PCWorld](https://www.pcworld.com/wp-content/uploads/2021/09/lenovo-legion-y740-primary-3qtr-100795146-orig.jpg?quality=50&strip=all&w=1024)
Lenovo Legion Y740 review: A laptop built for the future has a few issues in the here and now | PCWorld
![Lenovo Legion Y740 (17-inch) review: Understated design conceals superior Nvidia RTX firepower - CNET Lenovo Legion Y740 (17-inch) review: Understated design conceals superior Nvidia RTX firepower - CNET](https://www.cnet.com/a/img/resize/967605ce7a687059e1f18e0a64fe30704715b3d2/hub/2019/03/06/b2673c59-b510-4915-8dfb-5482474a99cc/01-lenovo-legion-y740-17ichg.jpg?auto=webp&fit=crop&height=1200&width=1200)
Lenovo Legion Y740 (17-inch) review: Understated design conceals superior Nvidia RTX firepower - CNET
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Battery life & temperature : Lenovo Legion Y740 (9th Gen) review: A gaming laptop that looks all business - HardwareZone.com.sg
![Lenovo Legion Y740 review: A laptop built for the future has a few issues in the here and now | PCWorld Lenovo Legion Y740 review: A laptop built for the future has a few issues in the here and now | PCWorld](https://images.idgesg.net/images/article/2019/05/tombraider-100795209-large.jpg?auto=webp&quality=85,70)
Lenovo Legion Y740 review: A laptop built for the future has a few issues in the here and now | PCWorld
![Battery life & temperature : Lenovo Legion Y740 (9th Gen) review: A gaming laptop that looks all business - HardwareZone.com.sg Battery life & temperature : Lenovo Legion Y740 (9th Gen) review: A gaming laptop that looks all business - HardwareZone.com.sg](https://assets.hardwarezone.com/img/2019/08/y740-portability.jpg)