Apple offers you entry to very particular details about your battery. You may see this your self by going to Settings > Battery, and there is extra info in the event you click on on Battery Well being.
However your iPhone collects much more details about your battery.
Much more.
However Apple would not make it simple so that you can entry this info.
It is buried. It is buried deep.
To seek out this info it’s a must to go to Settings > Privateness, then scroll to the underside and faucet on Analytics & Enhancements.
Then it’s good to click on on Analytics Information. This setting solely exists you probably have Share iPhone Analytics (or Share iPhone & Watch Analytics) enabled. If it isn’t enabled, you may have to allow it and wait a day or so for the iPhone to gather the info.
Sure, the data is barely logged in the event you select to share it with Apple. However oddly, Apple would not make it simple for you to check out it.
If Analytics Information is enabled, then faucet on it, and you will be offered by what appears to be like like a wall of recordsdata.
Analytics Information
Do not panic!
You should scroll till you discover a file beginning with the title log-aggregated. There’s prone to be a bunch of them with dates within the title.
The most recent one shall be on the backside of the checklist.
Faucet on it to open it and it will be full of data.
A ton of it.
Contained in the log-aggregates file
And going by this knowledge on the iPhone itself is a ache (though may be accomplished in the event you’re affected person and do a replica and paste into an app like Notes).
What I do is I faucet the Share button and electronic mail the file to myself so I can open it at my leisure on a Mac or PC (you could possibly all the time AirDrop it to your self).
Emailing the file to myself
The file accommodates loads of info, so after getting it open in a textual content editor you can begin searching for particular info.
First off, in the event you search for BatteryCycleCount, that may let you know what number of recharge cycles your battery has been by. In accordance with Apple, your battery ought to retain 80 % of its capability after 500 recharge cycles, so accessing this determine.
That is in all probability a very powerful determine that Apple would not let you know.
However there’s extra.
One other metric is MaximumFCC, which refers back to the most capability of your battery when new as measured in mAH (milliAmpHour). Apple prints a rated capability on its batteries, however this can be a theoretical quantity, and the precise capability will differ.
The determine that you just get from the log file would be the most capability of your battery as measured by the iPhone.
The MaximumFCC will virtually all the time be a couple of % larger than the battery’s rated capability. This accounts for why the battery would not begin to lose Battery Well being on day one.
One other determine you may get out of the logs is NominalChargeCapacity, which provides you present capability of your iPhone’s battery. That is the present capability of your iPhone’s battery and is once more measured in mAH.
This provides a sign of how worn the battery is.
Are you able to do something to scale back battery put on?
Not likely.
Your battery will lose about one proportion level for each 25 cycles (notice that you just won’t begin noticing this instantly as a result of the precise capability or MaximumFCC of the battery is bigger than the rated capability), then other than utilizing your iPhone much less, there’s not a lot you are able to do.
You may, nevertheless, scale back on untimely battery put on by preserving the battery inside its rated temperature zone, and never overcharging it.
The iOS characteristic known as Optimized Battery Charging does a very good job of stopping untimely battery put on from overcharging.
However notice that I mentioned, “untimely battery put on.”
It would not do something for normal battery put on. You may’t change the legal guidelines of physics.
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