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abgersaurus
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Posts: 12
Registered: ‎05-23-2015
Location: DK
Views: 483
Message 21 of 32

Re: Thinkpad X1 extreme FHD only 6 hours battery life

just how do you manage to get that much??? do you disable the gpu? what OS? at what brightness tell me all your settings, I have the same specs and only 4 hours! 

gm20
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Posts: 35
Registered: ‎04-30-2019
Location: PL
Views: 448
Message 22 of 32

Re: Thinkpad X1 extreme FHD only 6 hours battery life

Im using clean Windows 10 without lenovo vantage. Drivers only from windows update.

On Ubuntu something is wrong and ~5hours is max.

abgersaurus
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Posts: 12
Registered: ‎05-23-2015
Location: DK
Views: 444
Message 23 of 32

Re: Thinkpad X1 extreme FHD only 6 hours battery life

that sounds weird, I'll try to do some more stuff in windows and se if that helps, if not I guess I'll try to reinstall windows again and NOT use the newest drivers from lenovo this time.

 

do you know what BIOS you are currently on? I'm on 1.23

gm20
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Posts: 35
Registered: ‎04-30-2019
Location: PL
Views: 416
Message 24 of 32

Re: Thinkpad X1 extreme FHD only 6 hours battery life

I m on newest v1.23, but I don't see any difference between previous versions.

abgersaurus
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Posts: 12
Registered: ‎05-23-2015
Location: DK
Views: 414
Message 25 of 32

Re: Thinkpad X1 extreme FHD only 6 hours battery life

so far I have started to reinstall windows, I'm going to try to use windows drivers only, do you also use Vantage?

liejian
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Posts: 6
Registered: ‎09-04-2010
Location: US
Views: 412
Message 26 of 32

Re: Thinkpad X1 extreme FHD only 6 hours battery life

i am at 5 hrs now after a few months of use. Not good enough for me. I'd be happier if they added another half lb of battery cells to this thing and give me crazy battery life

 

FYI, i have the latest bios and all drivers. 

gm20
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Posts: 35
Registered: ‎04-30-2019
Location: PL
Views: 299
Message 27 of 32

Re: Thinkpad X1 extreme FHD only 6 hours battery life

 

For better battery life on Ubuntu 18.04 check this out: https://medium.com/@agathver/nvidia-gpu-optimus-prime-and-ubuntu-18-04-woes-f52e7f850f3d
Before I disabled Nvidia GPU I have ~5hours on battery.

After I have ~20hours on battery (min brightness and disabled wifi), with wifi, 50% brightness, browser, and some light apps are now ~12hours.

abgersaurus
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Posts: 12
Registered: ‎05-23-2015
Location: DK
Views: 291
Message 28 of 32

Re: Thinkpad X1 extreme FHD only 6 hours battery life

I reinstalled windows and used batterybar pro (very cheap) to monitor my power usage (watts) it turned out to be my msi afterburner that I use to monitor my cpu and gpu temperature that was making my pc sitting constantly at 10-15% idle

 

after I got rid of that it went down to 0-2% idle and only uses 4-9w instead of 13-24w! when I'm watching netflix on microsoft Edge with 75% backlight I can get up to 10-12 hours on WINDOWS! Smiley Surprised

 

if I alternate between a few tabs in chrome (1-3) and word/excel it will last me between 9-13 hours on 50% depending on how often I use chrome

 

It is just very important to put the battery slider all the way to the left on battery saver, no backlight in keyboard and 50-75% brightness

I also made sure to cycle the battery a few times 5 times from 10-100 and a few resets in Vantage (took a lot of time!)

 

I am very cautious with my battery and therefore set a charge limit to 80% and it will stil last between 6.5-12 hours depending on what I am doing on my pc

 

I only use batterybar pro for the power consumption, since it fluctuates alot with the time left on battery and just go with the Vantage/windows battery gauge (they are almost similar in predicting the time left anyways)

 

P.S: I repasted my CPU and GPU with Thermal grizzly Kryonaut + thermalpads on GPU memory and removed the bottom mesh aswell as a -150mV in Throttlestop

My X1E is a FHD, i5 8300h, 16GB + 2 SSD

gm20
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Posts: 35
Registered: ‎04-30-2019
Location: PL
Views: 230
Message 29 of 32

Re: Thinkpad X1 extreme FHD only 6 hours battery life

@abgersaurus

Can You check Cinebench R20 without undervolt (with power supply and best performance profile)?

I would like compare results with my X1E. 

abgersaurus
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Posts: 12
Registered: ‎05-23-2015
Location: DK
Views: 224
Message 30 of 32

Re: Thinkpad X1 extreme FHD only 6 hours battery life

1923 on multicore

 

2051 with undervolt

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