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3320 posts

Uber Geek


#304345 26-Apr-2023 22:07
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I suspect I know the answer to this, but figure it better to check with those that know more than me...


I have an HP ZBook G8 that is a little over a year old. It has a 3 year onsite warranty (22 months remaining according to the HP online tool). I've never found the battery life to be that good on it but recently it seemed to go further downhill - I would get maybe 2-3 hours out of a charge. I very seldom do anything especially intensive on this machine, almost everything is in a browser or Office applications. Decided that rather than tinkering with settings, it would just be easiest to reset Windows. Perhaps foolishly, I didn't do a battery check/report before resetting.


This is the result of the HP battery check just now:



If I'm reading this right, in 1 year / 10% of its designed cycle count, it has lost ~25% of its designed charge capacity. I'm not thrilled about this, however I'm guessing there is nothing to be done and HP will say "normal wear and tear"? I can't find any kind of specs that say a battery should lose up to X% per year, anything more than X% is a fault.

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845 posts

Ultimate Geek

  #3070679 3-May-2023 00:54
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Elitebook/Pavillion batteries last 5yrs or more so 74% capacity at 1yrs old is bad.  But HP battery optimizer limits charging to below 100% by design, possibly why capacity reads 74%.


Disable optimizer then retest.......






Nirsoft BatteryInfoView is a great tool, also handy when checking for counterfeit batteries....



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