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People whine about the 17 Air battery but for my use I see no problem at all. Currently using a 12 Pro with 84% battery health (2,815 mAh minus wear) and have no problems at all. As usual, people can't get enough of crying at the first sight of any spec number or new model.
 
The whole problem is that people use their phone completely different. While for one the capacity is no issue at all the other one will grab the Max always because its the most important thing to "never" run out of juice. So at the end of the day it is pointless to even discuss this. Different ppl have different needs.
 
There has been quite a bit of efficiency gains done since the 13 Pro though, and the new modem is rumoured to be another one. So I would guess they hit around the same efficiency over a days usage in the end.

The efficiency gains for content consumption (how most people use iPhone) is very minimal. This is because with each node, Apple focuses on higher performance rather than power efficiency. The main reason iPhone gets better battery life each year is because of larger batteries.

One way to look at this is to compare M1, M2, M3, and M4 MacBook Air. The battery capacity has virtually remain unchanged and the rated battery life is the same.
 
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Framing this as “losing” battery on the SIM models when it’s much more clearly that eSIM models are gaining battery with the extra space is funny.
How so? Both perspectives are equally correct. I suspect it just depends on which model you expect to be getting.
 
Framing this as “losing” battery on the SIM models when it’s much more clearly that eSIM models are gaining battery with the extra space is funny.
I don’t know who said that. But I can see what they mean. If you live in a country where you don’t have a choice, and have to buy an iPhone 17 with a sim tray, and therefor get a smaller battery — Then I too would feel the same.
I’ve been running eSIM for years here in Sweden, but the 16-series still only released with sim trays here. And if I’ll get a smaller battery ‘cause I have to buy the 17 Pro or Air with a sim tray, well, that sucks! I was about to go with the Air (or possibly the 17 Pro) this year, I currently use a 15 Pro. But I might just go with a Pixel 10 Pro Fold instead.

Perhaps eSIM-only gets released here as well, I’ll know tomorrow!
 
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The 17 Air will have a 6.6" screen so the battery consumption will definitely be higher. 😕
I didn't think of that. Then I guess it is comparable to the Max, which would then be iPhone XS Max, but that had a slightly better battery than what is predicted for the iPhone 17 Air. I didn't get the iPhone XS Max, so not sure how well the battery was. The iPhone XS Max was released in 2018, so people's power longevity expectations I'm sure has increased since then
 
The efficiency gains for content consumption (how most people use iPhone) is very minimal. This is because with each node, Apple focuses on higher performance rather than power efficiency. The main reason iPhone gets better battery life each year is because of larger batteries.

One way to look at this is to compare M1, M2, M3, and M4 MacBook Air. The battery capacity has virtually remain unchanged and the rated battery life is the same.

For light users like me a significant portion of the battery is spent with the screen off, SoC and modem improvements really come into play there. Even for other usage like web browsing, reading and such the Air could have a more efficient screen than the 13 Pro if the Air goes down to 1 Hz (on top of the overall screen efficiency gains Samsung has done in the last few years).

But even if we are just looking at video playback Apple rated the 16 Pro at 27 hours and the 13 Pro at 22 hours (22,7% better) while the 16 Pro only had a 15,7% larger battery. So even with the bigger display the 16 Pro is more efficient at video playback, so there’s for sure been efficiency gains from different components for at least some forms of content consumption.
 
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The display area is nearly 10% larger than 16 Pro. Most of the power consumption comes from the display, not SoC.
Cellular connectivity uses a lot of power when on the go. The display you have much more control over simply by adjusting brightness.
 
I have been using an iPhone 11 Pro (3046mha) for 5 yeas now, it is at 71% of its original battery capacity and it still does a whole day for me. With a case on it feels pretty heavy so a lighter phone wouldn't be such a bad thing for me. I really don't get why people are whining about the battery of the Air. It's been quite a while since apple has displayed its engineering prowess like this. I fell in love with the first MacBook Air and this phone gives me a similar kinda vibe. I would love to get one if it wasn't so crazy expensive here in Europe.
 
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It’s crazy that 3-4 hours should count as “light usage”.
check emails, read few things, this should be enough.
considering a 83% health iPhone 14Pro lasting with 5-6 hours of screen time with light gaming, taking photos & videos, internet, email - the Air should be just fine for most.
 
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Unlike many people, I’m attracted to the Air. I don’t need advanced cameras or lenses, and I usually carry a dedicated camera with me. I’d be happy to pay a premium for the lighter weight and the extra features (like 120Hz) compared to the base version.

The battery situation is definitely a concern. That said, if Apple manages to deliver the next evolution of MagSafe battery, or a well-designed thin battery case that can stay attached 24/7, I’d be very happy with that solution. Less stress on the internal battery, easier to replace, and still the option to slim down the phone when needed. I'm just tired of battery degradation...
 
check emails, read few things, this should be enough.
Four hours is a quarter of one’s awake time. I wouldn’t consider anything you spend a quarter of your conscious experience with “light usage”. It’s significant usage.

considering a 83% health iPhone 14Pro lasting with 5-6 hours with light gaming, photos, videos, internet - the Air should be just fine for most.
I agree with that.
 
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I don’t know who said that. But I can see what they mean. If you live in a country where you don’t have a choice, and have to buy an iPhone 17 with a sim tray, and therefor get a smaller battery — Then I too would feel the same.
I’ve been running eSIM for years here in Sweden, but the 16-series still only released with sim trays here. And if I’ll get a smaller battery ‘cause I have to buy the 17 Pro or Air with a sim tray, well, that sucks! I was about to go with the Air (or possibly the 17 Pro) this year, I currently use a 15 Pro. But I might just go with a Pixel 10 Pro Fold instead.

Perhaps eSIM-only gets released here as well, I’ll know tomorrow!
Same, in the UK I converted to eSIM only about seven years ago when Apple finally supported it on an iPhone, so that SIM tray is a massive waste of space. If I have to be forced to buy yet another iPhone with a physical tray at the expense of battery life, I'm going to be pretty pissed. Physical SIM iPhones should have been dropped in the UK years ago.
 
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