Realme promises days of battery from its 10,001mAh phone | The VergeSkip to main contentThe homepageThe VergeThe Verge logo.The VergeThe Verge logo.TechReviewsScienceEntertainmentAICESHamburger Navigation ButtonThe homepageThe VergeThe Verge logo.Hamburger Navigation ButtonNavigation DrawerThe VergeThe Verge logo.Login / Sign UpcloseCloseSearchTechExpandAmazonAppleFacebookGoogleMicrosoftSamsungBusinessSee all techGadgetsExpandLaptopsPhonesTVsHeadphonesSpeakersWearablesSee all gadgetsReviewsExpandSmart Home ReviewsPhone ReviewsTablet ReviewsHeadphone ReviewsSee all reviewsAIExpandOpenAIAnthropicSee all AIVerge ShoppingExpandBuying GuidesDealsGift GuidesSee all shoppingPolicyExpandAntitrustPoliticsLawSecuritySee all policyScienceExpandSpaceEnergyEnvironmentHealthSee all scienceEntertainmentExpandTV ShowsMoviesAudioSee all entertainmentGamingExpandXboxPlayStationNintendoSee all gamingStreamingExpandDisneyHBONetflixYouTubeCreatorsSee all streamingTransportationExpandElectric CarsAutonomous CarsRide-sharingScootersSee all transportationFeaturesVerge VideoExpandTikTokYouTubeInstagramPodcastsExpandDecoderThe VergecastVersion HistoryNewslettersExpandThe Verge DailyInstallerVerge DealsNotepadOptimizerRegulatorThe StepbackArchivesStoreSubscribeFacebookThreadsInstagramYoutubeRSSThe VergeThe Verge logo.Realme promises days of battery from its 10,001mAh phoneComments DrawerCommentsLoading commentsGetting the conversation ready...NewsCloseNewsPosts from this topic will be added to your daily email digest and your homepage feed.FollowFollowSee All NewsGadgetsCloseGadgetsPosts from this topic will be added to your daily email digest and your homepage feed.FollowFollowSee All GadgetsTechCloseTechPosts from this topic will be added to your daily email digest and your homepage feed.FollowFollowSee All TechRealme promises days of battery from its 10,001mAh phoneThe P4 Power launches next week.The P4 Power launches next week.by Dominic PrestonCloseDominic PrestonNews EditorPosts from this author will be added to your daily email digest and your homepage feed.FollowFollowSee All by Dominic PrestonJan 20, 2026, 8:57 AM UTCLinkShareGiftI’m sure that single extra milliamp-hour will make all the difference. Image: RealmeDominic PrestonCloseDominic PrestonPosts from this author will be added to your daily email digest and your homepage feed.FollowFollowSee All by Dominic Preston is a news editor with over a decade’s experience in journalism. He previously worked at Android Police and Tech Advisor.After teasing 10,000mAh and 15,000mAh concept devices, Realme is ready to make those big batteries reality with the P4 Power, which launches in India on January 29th with a 10,001mAh capacity.Realme says the P4 Power will last for three and a half days of light use, which I can believe — I got between two and three days’ battery with the 7,500mAh Oppo Find X9 Pro. Maybe more impressively, the P4 Power supports 27W reverse charging, fast enough that this could double as a power bank for some other devices.We’ve seen bigger batteries, but not often in phones this size — the P4 Power only weighs 218g, and looks fairly slim, thanks to using a silicon-carbon battery. It might not quite beat the 216g, 8mm-thick Honor Power 2, which has a fractionally larger 10,080mAh battery, but that’s only available in China — an India release means the P4 Power will be much easier for the rest of us to get hold of.Realme calls this top panel the “TransView Design,” though I’m not sure why. 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Realme’s latest announcement of the P4 Power, a smartphone featuring a 10,001mAh battery, marks a significant step in the company’s pursuit of extended device longevity. The P4 Power is set to launch in India on January 29, 2026, following earlier conceptual designs that hinted at even larger capacities like 15,000mAh. According to Realme’s claims, the device can sustain “three and a half days of light use,” a figure that aligns with previous industry benchmarks, such as the 7,500mAh Oppo Find X9 Pro, which provided between two and three days of battery life. The P4 Power’s capacity surpasses many mainstream smartphones, which typically range between 3,000mAh and 5,000mAh. However, the article notes that while larger batteries have appeared in other devices, they are less common in phones of this size. The P4 Power’s 10,001mAh battery is described as being made from silicon-carbon technology, which allows the device to maintain a relatively slim profile despite its substantial capacity. Weighing 218 grams and described as “fairly slim,” the P4 Power contrasts with the Honor Power 2, a Chinese-market device with a slightly larger 10,080mAh battery but a heavier weight of 216 grams and a thickness of 8mm. The Honor Power 2, however, is not available in India, positioning the P4 Power as a more accessible option for international consumers.

One of the standout features of the P4 Power is its 27W reverse charging capability, which enables the phone to function as a portable power bank for other devices. This feature is highlighted as particularly noteworthy, given that reverse charging has historically been limited by slower speeds or inconsistent performance. The 27W rate is described as “fast enough” to justify its utility in emergency situations, such as charging a companion device when no other power sources are available. While the article does not delve into specific use cases for this functionality, it underscores Realme’s focus on practicality and user convenience. The inclusion of reverse charging also reflects a broader industry trend toward multifunctional devices that address consumer needs beyond traditional phone capabilities.

The P4 Power’s design is another point of emphasis, particularly its “TransView Design” on the top panel. The term “TransView Design” is mentioned without further explanation, leaving its exact nature unclear. However, the article suggests that this feature may refer to a unique display or structural element intended to enhance user experience. While the lack of details on this aspect is notable, the focus remains on the battery’s performance and physical attributes. The device’s slim profile and manageable weight of 218 grams indicate a balance between size and functionality, though the article acknowledges that it still falls short of the Honor Power 2’s dimensions. This comparison highlights Realme’s strategy to compete in a market where users prioritize both battery life and portability.

The article also contextualizes Realme’s efforts within the broader smartphone industry, noting that while larger batteries have been explored in concept devices, they are rarely commercialized. Realme’s decision to bring the 10,001mAh battery to market signals a shift toward prioritizing endurance over other specifications, such as processing power or camera quality. This approach aligns with growing consumer demand for devices that minimize the need for frequent charging, a trend exacerbated by the increasing complexity of smartphone usage. The P4 Power’s launch is framed as part of a competitive landscape where companies like Oppo and Honor have also experimented with high-capacity batteries, albeit in limited markets. Realme’s focus on India as a primary market reflects the region’s growing significance in the global smartphone industry, where price sensitivity and user expectations for durability often intersect.

The article’s author, Dominic Preston, a news editor with over a decade of experience in journalism, provides a measured tone throughout the analysis. His background at publications like Android Police and Tech Advisor lends credibility to his observations, though he does not explicitly critique the P4 Power’s claims. Instead, he adopts a neutral stance, acknowledging Realme’s achievements while noting the device’s limitations relative to other offerings. For instance, he mentions that the P4 Power’s battery capacity is impressive but does not surpass all competitors, particularly the Honor Power 2. This balanced perspective avoids overt hype while still highlighting the significance of Realme’s announcement. Preston also includes a touch of skepticism regarding the “TransView Design” feature, questioning its necessity given the lack of elaboration. This subtle critique reflects a journalistic approach that prioritizes transparency and critical evaluation.

The P4 Power’s launch timing is another factor worth noting. Scheduled for January 29, 2026, the device is positioned to capitalize on the post-holiday smartphone market, a period when consumer interest in new technology often peaks. Realme’s decision to release the P4 Power during this window suggests a strategic effort to capture attention amid a crowded market. However, the article does not provide details on pricing or other specifications beyond the battery and design elements, which limits the depth of analysis. This omission may be due to the article’s focus on the battery as a central selling point, but it also leaves questions about how the P4 Power will compete with other models in terms of performance, software, or ecosystem integration.

In addition to the hardware specifications, the article touches on broader industry trends that influence Realme’s approach. The growing emphasis on battery life as a key differentiator reflects evolving user priorities, where convenience and reliability often outweigh the allure of incremental hardware upgrades. The P4 Power’s emphasis on endurance aligns with this shift, as consumers increasingly seek devices that can handle extended usage without requiring frequent recharging. This trend is further amplified by the rise of power-intensive applications, such as video streaming and gaming, which place greater demands on smartphone batteries. By addressing this need through a high-capacity battery, Realme positions itself as a competitor that prioritizes user experience over other technical metrics.

The article also highlights the challenges associated with integrating such a large battery into a smartphone. The use of silicon-carbon technology is presented as a solution to these challenges, allowing Realme to maintain a slim form factor without compromising on capacity. This innovation underscores the technical sophistication required to achieve such feats, as traditional lithium-ion batteries often struggle with size and heat management when scaled up. The P4 Power’s design, therefore, represents a blend of engineering ingenuity and consumer-focused priorities. However, the article does not elaborate on potential trade-offs, such as charging speed or thermal performance, which are critical factors in assessing the overall usability of a device.

From a market perspective, Realme’s focus on India is strategic, given the region’s large and growing consumer base. The Indian smartphone market is known for its price sensitivity, with many users prioritizing value for money over cutting-edge specifications. The P4 Power’s emphasis on battery life caters to this demographic, offering a compelling proposition for users who prioritize longevity over other features. This approach also aligns with Realme’s broader brand strategy, which has consistently targeted budget-conscious consumers while delivering competitive hardware. The company’s ability to push the boundaries of battery technology in this segment demonstrates its commitment to innovation, even as it navigates the constraints of affordability.

While the article does not delve into specific user reviews or real-world testing, it references the Oppo Find X9 Pro as a point of comparison. The author notes that the 7,500mAh Oppo model provided between two and three days of battery life, suggesting that the P4 Power’s 10,001mAh capacity could offer a noticeable improvement. This comparison is used to contextualize Realme’s claims, though it also highlights the subjective nature of battery life estimates. Factors such as screen brightness, app usage, and network connectivity can significantly impact actual performance, making it difficult to quantify the exact benefits of a larger battery. Nevertheless, the article frames the P4 Power’s battery as a major advancement, reinforcing its appeal to users seeking extended usage.

In conclusion, the P4 Power represents a significant milestone in Realme’s product lineup, emphasizing battery longevity as a core differentiator. The device’s 10,001mAh capacity, combined with its slim design and reverse charging capabilities, addresses key user pain points while positioning Realme as a leader in battery innovation. The article’s focus on technical specifications and market context provides a comprehensive overview of the device’s strengths and limitations, all while maintaining a neutral and informative tone. As with any new product launch, the true test of the P4 Power will lie in its real-world performance and consumer reception, but the initial announcement undeniably sets a new benchmark for battery-centric smartphones.