Apple's first foldable smartphone, the iPhone Duo, is attracting attention ahead of its reported global sale on October 23. The device combines a book-style folding design with two displays, premium hardware, and a battery designed to support extended video playback.

According to the supplied report, Apple's foldable smartphone has a rated battery capacity of 4,883mAh, as listed in Europe's energy labelling database. The company claims that the outer display can deliver up to 44 hours of video playback, while the larger internal screen supports up to 31 hours.

With a reported starting price of ₹2,99,900 in India, the iPhone Duo is positioned firmly in the premium smartphone segment.

iPhone Duo Battery Capacity: What Has Been Revealed?

The iPhone Duo is reportedly listed in the European Product Registry for Energy Labelling (EPREL) database under model number A3720.

The listing indicates a rated battery capacity of 4,883mAh. It also reportedly records a battery endurance figure of 51 hours and 30 minutes under the applicable energy-labelling test procedure.

This endurance figure should not be confused with Apple's claimed video playback times. Different testing methods and usage conditions can produce different results, and actual battery life will depend on screen brightness, connectivity, applications, and other factors.

The reported battery specifications suggest that Apple is focusing on endurance despite the additional demands of a foldable display.

Up to 44 Hours of Video Playback on the Cover Screen

One of the most notable claims concerns the phone's video playback performance.

According to the supplied information, the iPhone Duo offers the following figures:

• Outer display: Up to 44 hours of video playback.

• Inner foldable display: Up to 31 hours of video playback.

• Charging claim: Five minutes of charging can reportedly provide up to five hours of video playback.

These figures are manufacturer-reported claims rather than guarantees of everyday battery performance. Real-world results may differ depending on the content being played, display settings, and network conditions.

The longer claimed playback time on the cover display may also reflect differences in power consumption between the smaller external screen and the larger internal display.

Two Displays in a Book-Style Foldable Design

The iPhone Duo reportedly opens like a book, giving users access to a larger display when needed while retaining a conventional smartphone form factor when folded.

Its reported display specifications include:

• A 7.6-inch internal Super Retina XDR foldable display.

• A 5.4-inch external Super Retina XDR cover display.

The larger screen could be useful for watching videos, reading documents, multitasking, and viewing content that benefits from additional screen space. The cover display, meanwhile, allows users to perform everyday tasks without unfolding the device.

Energy Efficiency, Durability and Repairability Ratings

The European energy-label listing reportedly assigns the device an A rating for energy efficiency, a B rating for drop resistance, and a C rating for repairability.

The report also mentions an IP68 rating for dust and water resistance.

These classifications measure different aspects of a device. Energy efficiency relates to performance under specified testing conditions, while repairability indicates how readily a product can be repaired under the applicable assessment system.

An IP rating also has limitations: it does not mean a phone is completely waterproof under every condition, and resistance can change with wear or damage.

iPhone Duo Price in India and Global Sale Date

According to the supplied report, the iPhone Duo is priced from ₹2,99,900 in India for the 256GB storage variant.

The reported global sale date is October 23, with pre-orders said to be available through Apple's online store.

At this price, the device targets buyers seeking a premium foldable smartphone rather than a conventional flagship phone. Its value will depend on the quality of the folding display, battery performance, software experience, and long-term durability.

Other Expected Highlights: A20 Pro Chip and Dual Rear Cameras

The supplied information also lists Apple's A20 Pro chipset, reportedly built using a 2nm manufacturing process.

For photography, the device is described as featuring a dual rear camera system. Combined with its two displays, the foldable design could offer different ways to compose images, review photographs, and use camera applications.

However, detailed camera specifications, charging speeds, and performance benchmarks would be needed to assess the phone more comprehensively.

The Bottom Line

The reported iPhone Duo combines a 4,883mAh battery, two Super Retina XDR displays, a book-style folding design, and premium hardware. Its claimed video playback figures of up to 44 hours on the outer display and 31 hours on the inner display are particularly noteworthy.

With a reported Indian starting price of ₹2,99,900, battery endurance and foldable-screen usability will be important factors for prospective buyers. The reported specifications and launch details should be confirmed through Apple's official product information before making a purchase decision.