As of several days ago, I started only getting 1-2 hours of battery life from my FHD XPS 15 9500. Fans are always on, even when idling or sleeping. HWInfo is showing me a constant 25-40W of battery drain when doing nothing at all. Task manager does not show any app using a lot of power, nor any strange background processes. What is going on and how do I fix this?
This was the same issure I had with the new XPS 17 - 9700 and they (DELL) had to have it returned.
Just got a 9500 today and looks like a similar issue...wonder if CPU.
I'm not sure about the 9500 but Ultra Performance on the 9700 will drain battery at full load even if you can get the full 130W from the power supply. I believe it allows the laptop to use up to 155W in this mode.