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Editorial Team
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Asked: 2026-05-13T07:39:04+00:00

I am looking for a way to run an accurate test on an iPhone

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I am looking for a way to run an accurate test on an iPhone and find how long it takes for battery percentage to drop. While considering this I thought

  1. Would the temperature of the battery make a difference to my result
    i.e If I took my iPhone outside and ran the test would it be consistent with the test I ran indoors?

  2. Does the percentage left in the battery when the test is run make a difference
    i.e Would the battery percentage drop faster if the test was run at 30% when compared with 95%?

My goal is a test which I can run on my device and get the same result (or near enough) every time the app is run.

I have the app logic working, this was just a last thought. Is there any code I could use to factor in the above problems and iron out my inconsistencies? Possibly find the temperature of the battery and do something with this?

Many thanks in advance,

Stuart

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1 Answer

  1. Editorial Team

    1. Yes, the temperature could play a role in how fast the battery drains.
      See: http://chemistry.about.com/od/howthingsworkfaqs/f/coldbattery.htm

    2. Yes, the amount of battery life left does affect how fast the battery drains. It takes much less time to charge a battery to 65% than it does to charge it from 65% to 100%. The same thing happens with discharging.

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