iPhone 15 Models Feature New Setting to Strictly Prevent Charging Beyond 80%

All of the iPhone 15 and iPhone 15 Pro models feature a new battery health setting that prevents the devices from charging beyond 80% at all times when enabled, as confirmed by The Verge's Allison Johnson during a Q&A session today.

iPhone 15 Pro Lineup Feature
The new setting is separate from the pre-existing Optimized Battery Charging feature on iPhones, which intelligently delays charging past 80% until a more appropriate time by learning the device's daily charging routine. When the 80% hard limit is enabled, the iPhone will never charge past that point whatsoever.

On all iPhone 15 models, there are three options under Settings → Battery → Battery Health & Charging → Charging Optimization:

  • Optimized Battery Charging
  • 80% Limit
  • None

As with Optimized Battery Charging, the 80% hard limit can improve an iPhone battery's lifespan by reducing the time that the battery is fully charged.

The new setting was previously discovered in iOS 17 code by software researcher Steve Moser.

Apple says all of the iPhone 15 models have the same battery life as iPhone 14 models. The devices launch this Friday.

Related Roundups: iPhone 15, iPhone 15 Pro
Related Forum: iPhone

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Top Rated Comments

atiffarooq Avatar
11 months ago
I mean, I totally get why this can’t be rolled out to older models of the iPhone, especially the iPhone 14 range as that’s so inferior to the 15.

Normal Apple BS and hopefully they make it available to those of us who won’t be getting the 15 this year.
Score: 115 Votes (Like | Disagree)
netsped Avatar
11 months ago

... how is this iPhone 15 only...
It needs the new and revolutionary B(s)1 chip.
Score: 88 Votes (Like | Disagree)
Obioban Avatar
11 months ago
... how is this iPhone 15 only...
Score: 87 Votes (Like | Disagree)
Franjelisco Avatar
11 months ago
Why is this limited to the new models only? Given the OS is capable of stopping charging when it's overheating, comes in contact with liquid etc. since iPhone 6-7
Score: 72 Votes (Like | Disagree)
GDF Avatar
11 months ago
What is the point of any battery if charging past 80% causes excessive wear and tear. Same with EV’s. Just plain dump. I want the full capacity always, so develop battery technology that does that.
Score: 57 Votes (Like | Disagree)
JRoDDz Avatar
11 months ago
So you are basically throwing away 20% of your charge life for some extra charge cycles a few years down the road? I don't get it.
Score: 49 Votes (Like | Disagree)