Battery Life and Heat. Hello hp community . In this test … Battery life was respectable. I am considering purchasing an Hp omen 15t laptop but the one thing holding me off from it is it's poor battery life, even for a gaming laptop, but I was wondering if anyone knows of an alternate battery … Pack this much power into a laptop and equip it with a power-sucking AMOLED display (which can be aided by using a dark color scheme, since AMOLED uses the least … Trusted’s custom Powermark battery benchmark consists of video and web browsing with the display set to 150cd/m2. The HP 15t Touch is a notebook built to catch your eye, both with its colorful design as well as its inviting price tag. HP Envy 15 – Battery life. Battery life.