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8 Posts

01-05-2017

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T470s poor battery life

2018-10-30, 13:41 PM

So I've had this T470s for over a year, I have since seen quite a few reports about poor battery life on this model and about great battery life on T470. My 2 batteries are still holding 80% and 84% of their original capacity, but I am getting around 4 hours of browsing and light editing on 90%-full brightness and low performance mode. (i5-7200U, 25W TDP)

 

My question is whether I could increase battery life on this specific model (I'm not asking the casual stuff like disabling background services etc., is there anything laptop-specific I could do)? Any particular reason why it's so bad?

 

It's thin and light but getting 3-4 hours out of a borderline-new laptop from 2017 is kinda dog**bleep**. T470 weights 200 grams more and has reportedly the best battery life of all Thinkpads to date. 

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277 Posts

10-28-2016

US

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Re: T470s poor battery life

2018-10-30, 15:13 PM

From what I've seen a 15% - 20% reduction in capacity is more or less typical.

 

If running windows 10 I'd suggest you run the: Settings --> Battery --> "See what apps are affecting my battery life"

function - perhaps some background apps got installed that are consuming power.

 

Then there are the generic recommendations:

https://support.microsoft.com/en-us/help/20443/windows-10-battery-saving-tips

 

 

That's all I've got..............

If my post helps a Kudo is appreciated, if I answer your question, please mark it ”Accepted Solution“ and give it a Kudo! ... Some years ago I worked for IBM. Currently I do not work for, nor do I speak for Lenovo or IBM.

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8 Posts

01-05-2017

LT

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Re: T470s poor battery life

2018-10-31, 7:13 AM

Thanks for a quick reply. The reduction in capacity is normal, but the original run time with full battery is what bugs me. 

The settings feature was useful, apparently the biggest criminal is Google Chrome browser, using up to 70% in the last week (not sure how this compares to the time of usage for Mozilla and Chrome respectively) Unfortunately, because of some extensions I use for my work, I can't switch to a different browser (I still use mozilla for studies and work-unrelated activities). Maybe something Chrome-specific that could be optimized? 

 

I will also take one of those general tips and try to transfer all browsing activities that are not Chrome-specific to Microsoft Edge and see how this works out in a weeks time or so.

 

Regards.

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277 Posts

10-28-2016

US

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Re: T470s poor battery life

2018-11-01, 0:05 AM

70% seems like  a lot ... but I don't know how you use your machine.

This may help you isolate the issue at least!

 

If my post helps a Kudo is appreciated, if I answer your question, please mark it ”Accepted Solution“ and give it a Kudo! ... Some years ago I worked for IBM. Currently I do not work for, nor do I speak for Lenovo or IBM.
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2 Posts

11-08-2018

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Re: T470s poor battery life

2018-11-08, 14:13 PM

I once had a virus, which strongly strained the percent, the processor used to warm up because of this, and the laptop quickly sat down:mansad:

Relax
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5 Posts

05-13-2017

US

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Re: T470s poor battery life

2020-02-19, 22:52 PM

I have the T470 that has suddenly developed a short battery life. I have the larger of the two external/removeable batteries to. 

 

 

Edit.....Cause was my fault. Recently removed the second battery and it wasn't properly seated back into its spot. All good. Second battery now charging. 

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