Smart Battery Case for iPhone XS Appears to Be Compatible With iPhone X

Apple yesterday debuted new Smart Battery Cases for the iPhone XS, XS Max, and XR, and review units are in the hands of members of the media and some lucky people who received early deliveries.

Many ‌iPhone‌ X users have been wondering if the ‌iPhone‌ XS Smart Battery Case will work with the older model given that the two devices are nearly identical in design, and the answer appears to be yes, though there is some uncertainty.

iphone xs max battery case
This morning, iMore's Rene Ritchie put an ‌iPhone‌ X running iOS 12.1.2 in an ‌iPhone‌ XS ‌Smart Battery Case‌ and received an error suggesting the ‌iPhone‌ X was not compatible with the case.

He updated the ‌iPhone‌ X to iOS 12.1.3, however, and was able to get the ‌iPhone‌ X to charge in the ‌iPhone‌ XS ‌Smart Battery Case‌. He also now says that the ‌iPhone‌ X will charge with the Battery Case if the incompatibility popup is dismissed.


A MacRumors reader was also able to get the ‌iPhone‌ X to charge in an ‌iPhone‌ XS ‌Smart Battery Case‌, and Chris Welch of The Verge said in his testing, the ‌iPhone‌ X was able to charge an ‌iPhone‌ X running iOS 12.1.2 in an ‌iPhone‌ XS Max ‌Smart Battery Case‌.


So it appears, based on this limited amount of testing, that the ‌iPhone‌ X is going to charge in an ‌iPhone‌ XS ‌Smart Battery Case‌, though there could be some compatibility issues on iOS 12.1.2. If the case doesn't charge the ‌iPhone‌ X, as Ritchie suggested, you can restart the ‌iPhone‌ or update to iOS 12.1.3 to get it working.

It is worth noting that while the ‌iPhone‌ X may charge in the ‌iPhone‌ XS Battery Case, the fit is imprecise. The speaker and microphone holes do not line up, and the camera cutout is a bit off.

Apple's Smart Battery Cases for the ‌iPhone‌ XS, XS Max, (and presumably XR), feature 10.1Whr batteries that extend the life of each ‌iPhone‌.

The ‌iPhone‌ XS Max normally offers up to 25 hours talk time, 15 hours of internet use, and 15 hours of video playback, which is extended to 37 hours of talk time, 20 hours of internet, and 25 hours of video playback with the ‌Smart Battery Case‌.

The ‌iPhone‌ XS alone features up to 20 hours of talk time, 12 hours of internet use, and 14 hours of video playback, which is extended to 33 hours of talk time, 21 hours of internet use, and 25 hours of video playback with the ‌Smart Battery Case‌.

The ‌iPhone‌ XR features up to 25 hours of talk time, 15 hours of internet use, and 16 hours of video playback, which is extended to 39 hours of talk time, 22 hours of internet use, and 27 hours of video playback.

The Smart Battery Cases are priced at $129 and can be purchased from the Apple website.

Related Forum: iPhone

Popular Stories

iOS 26 Feature

iOS 26.1 to iOS 26.4 Will Add These New Features to Your iPhone

Saturday October 18, 2025 11:00 am PDT by
iOS 26 was released last month, but the software train never stops, and iOS 26.1 beta testing is already underway. So far, iOS 26.1 makes both Apple Intelligence and Live Translation on compatible AirPods available in additional languages, and it includes some other minor changes across the Apple Music, Calendar, Photos, Clock, and Safari apps. More features and changes will follow in future ...
ios 26 1 liquid glass opaque

iOS 26.1 Beta 4 Lets Users Control Liquid Glass Transparency with New Toggle

Monday October 20, 2025 10:57 am PDT by
With the fourth betas of iOS 26.1, iPadOS 26.1, and macOS 26.1, Apple has introduced a new setting that's designed to allow users to customize the look of Liquid Glass. The toggle lets users select from a clear look for Liquid Glass, or a tinted look. Clear is the current Liquid Glass design, which is more transparent and shows the background underneath buttons, bars, and menus, while tinted ...
iphone air thickness

Apple Said to Cut iPhone Air Production Amid Underwhelming Sales

Friday October 17, 2025 8:29 am PDT by
Apple plans to cut production of the iPhone Air amid underwhelming sales performance, Japan's Mizuho Securities believes (via The Elec). The Japanese investment banking and securities firm claims that the iPhone 17 Pro and iPhone 17 Pro Max are seeing higher sales than their predecessors during the same period last year, while the standard iPhone 17 is a major success, performing...
iOS 26

iOS 26.0.2 Update for iPhones Coming Soon

Friday October 17, 2025 7:35 am PDT by
Apple's software engineers continue to internally test iOS 26.0.2, according to MacRumors logs, which have been a reliable indicator of upcoming iOS versions. iOS 26.0.2 will be a minor update that addresses bugs and/or security vulnerabilities, but we do not know any specific details yet. The update will likely be released by the end of next week. Last month, Apple released iOS 26.0.1,...
Apple iPad Pro hero M5

New iPad Pro Has Six Key Upgrades Beyond M5 Chip

Saturday October 18, 2025 10:57 am PDT by
While the new iPad Pro's headline feature is the M5 chip, the device has some other changes, including N1 and C1X chips, faster storage speeds, and more. With the M5 chip, the new iPad Pro has up to a 20% faster CPU and up to a 40% faster GPU compared to the previous model with the M4 chip, according to Geekbench 6 results. Keep in mind that 256GB and 512GB configurations have a 9-core CPU,...
iPhone Siri Glow

Some Apple Employees Have 'Concerns' About iOS 26.4's Revamped Siri

Sunday October 19, 2025 7:39 am PDT by
iOS 26.4 is expected to introduce a revamped version of Siri powered by Apple Intelligence, but not everyone is satisfied with how well it works. In his Power On newsletter today, Bloomberg's Mark Gurman said some of Apple's software engineers have "concerns" about the overhauled Siri's performance. However, he did not provide any specific details about the shortcomings. iOS 26.4 will...
HomePod mini and Apple TV

Apple's Next Rumored Products: New HomePod Mini, Apple TV, and More

Thursday October 16, 2025 9:13 am PDT by
Apple on Wednesday updated the 14-inch MacBook Pro, iPad Pro, and Vision Pro with its next-generation M5 chip, but previous rumors have indicated that the company still plans to announce at least a few additional products before the end of the year. The following Apple products have at one point been rumored to be updated in 2025, although it is unclear if the timeframe for any of them has...
maxresdefault

Here's How the iOS 26.1 Transparency Toggle Changes Liquid Glass

Monday October 20, 2025 1:55 pm PDT by
With the fourth beta of iOS 26.1, Apple added a toggle that makes Liquid Glass more opaque and reduces transparency. We tested the beta to see where the toggle works and what it looks like. Subscribe to the MacRumors YouTube channel for more videos. If you have the latest iOS 26.1 beta, you can go to Settings > Display and Brightness to get to the new option. Tap on Liquid Glass, then...
m4 macbook air blue

M5 MacBook Air Coming Spring 2026 With M5 Mac Studio and Mac Mini in Development

Thursday October 16, 2025 3:57 pm PDT by
Apple plans to launch MacBook Air models equipped with the new M5 chip in spring 2026, according to Bloomberg's Mark Gurman. Apple is also working on M5 Pro and M5 Max MacBook Pro models that will come early in the year. Neither the MacBook Pro models nor the MacBook Air models are expected to get design changes, with Apple focusing on simple chip upgrades. In the case of the MacBook Pro, a m...

Top Rated Comments

beerfish89 Avatar
88 months ago
As someone who owned the X (upgraded to the XS), this is unbelievable.

I cannot understand the rationale for the software block of this. If someone is willing to spend $129 on it and they’re a X owner, I just cannot fathom why this makes any sense.
It does work and charge on an iPhone X. Working perfect on mine. Sound is just as loud as before.


Attachment Image

Attachment Image

Attachment Image
Score: 25 Votes (Like | Disagree)
RamGuy Avatar
88 months ago
Just buy a mophie then
The issue with non-Apple Battery Cases is the fact that they work as glorified battery packs and chargers. Your phone has no real clue that you are utilising a Battery Case.

Why is this a issue? Well because there are numerous things your iPhone will do only when it's connected to power. It saves a lot of power hungry tasks by default to only be done when it's connected to a charger.

Your phone is automatically in a more power hungry state by default when you are connected to a charger. This is not a issue with the Apple Smart Battery Case because it's directly integrated with iOS. With this case your phone knows it's just a secondary battery and it will behave accordingly.

When utilising battery cases from Mophie and other brands it will simply behave like a regular charge. Those cases have become smarter so they won't completely overload your iPhone's battery by continuously provide charge/power as long as the case's battery still have juice let of it but it will still trick your phone into believing you are connected to a wall outlet and behave accordingly reducing the potential battery life of the case drastically compared to have it all behaves with the Apple Smart Battery Case.
Score: 15 Votes (Like | Disagree)
rti92391 Avatar
88 months ago
As someone who owned the X (upgraded to the XS), this is unbelievable.

I cannot understand the rationale for the software block of this. If someone is willing to spend $129 on it and they’re a X owner, I just cannot fathom why this makes any sense.
Score: 14 Votes (Like | Disagree)
magicschoolbus Avatar
88 months ago
So a guy on Reddit cuts off an iPhone 7 case and plugs it into the X and it works - Apple releases a case that fits and should work, but add software to make it not work.

The days of my patience with Cook and Co's new Apple are running thin.
Score: 10 Votes (Like | Disagree)
kiensoy Avatar
88 months ago
The iPhone X set the path for the next 10 years, said Tim Cook, but discontinued it a year later and seems to not support it anymore. Early adopter issues.
Score: 9 Votes (Like | Disagree)
ryanwarsaw Avatar
88 months ago
Out of luck? This saves X users from buying junk.
Score: 7 Votes (Like | Disagree)