OnePlus 15s Breakthrough: Huge 7,000mAh Battery and Ultra-Fast 120W Charging Confirm Big Jump!

Last Updated: December 29, 2025

The OnePlus 15s is shaping up to be one of the most exciting compact flagships of 2026 – even though OnePlus hasn’t officially confirmed anything yet. While the brand is gearing up to launch the OnePlus 15 and OnePlus 15R on November 13, fans are already buzzing about the slimmer sibling expected to arrive in Q1 2026.

Positioned as the successor to the highly praised OnePlus 13s, the upcoming model is rumored to feature significant upgrades in design, performance, and battery life. Even though it’s early and official details are missing, leaks are already painting an impressive picture of the upcoming OnePlus 15s.

OnePlus 15s Specification (Leak)

A fresh leak suggests that the OnePlus 15s may stick closely to the design language of the standard OnePlus 15 series. That means clean lines, a balanced aesthetic, and the signature minimalist look that OnePlus fans love. According to sources, the phone may feature a metal frame, giving it a premium and sturdy in-hand feel. Just like its predecessor, the device might come with a square camera module, keeping consistency across the lineup.

  • metal frame
  •  square camera module
  • A multi-function alert slider

One of the most exciting rumors is the presence of a multi-function alert slider. This fan-favorite feature has become an iconic part of OnePlus’ design, and its return – especially in a more advanced form – could be a major win. Early leaks suggest that this slider might do more than just switch between sound profiles, although details remain under wraps.

Color options have also surfaced online. The leaked renders hint at Pink, Grey, and Black variants, offering something for users who want either a bold or classic look. Of course, since none of these details are officially confirmed, it’s smart to take them lightly for now.

Color options are:

  • Pink
  • Grey
  • Black

Display & Performance

If leaks are accurate, the upcoming OnePlus 15s will come with a 6.3-inch OLED display, making it one of the more compact smartphones in today’s market – just like the previous OnePlus 13s. The panel is rumored to feature a 1.5K resolution along with a 120Hz refresh rate, which would deliver buttery-smooth animations and crisp visuals whether you’re gaming, streaming, or scrolling.

  • A 6.3-inch OLED display with an impressive 120Hz refresh rate
    • feature a 1.5K resolution
  • A 3D Ultrasonic Fingerprint Scanner

The device is also expected to include a 3D Ultrasonic Fingerprint Scanner, one of the fastest and most secure fingerprint technologies available. This would be a significant upgrade, offering improved accuracy and quicker unlock speeds.

OnePlus 15T leak highlighting camera bump
OnePlus 15s leak highlights the camera bump

Under the hood, leaks hint at Qualcomm’s upcoming flagship chipset – the powerful Snapdragon 8 Elite Gen 5. If true, the OnePlus 15s will offer top-tier performance for multitasking, gaming, and heavy use. Paired with OnePlus’s smooth OxygenOS experience, this could easily turn the phone into one of the fastest compact smartphones of 2026.

  • Powerful Snapdragon 8 Elite Gen 5

Massive Battery Upgrade

One of the biggest surprises from the leaks is the possibility of a massive 7,000mAh battery. A massive 7,000mAh battery

  • 100W or even 120W fast charging

Charging speeds are also expected to impress. Rumors point to 100W or even 120W fast charging, ensuring the device can refill its large battery in a very short time. With this combination, the OnePlus 15s could easily become the go-to device for users who prioritize long-lasting battery performance without compromising on design.

Camera Upgrades

On the camera front, the OnePlus 15s could feature either a 50MP Sony IMX906 sensor or a 200MP Samsung HP5 sensor as the primary camera. Like the OnePlus 15T, both sensors are known for their impressive image quality, so either option would be a major upgrade for photography enthusiasts.

  • A 200MP Samsung HP5 sensor or 50MP Sony IMX906 sensor

One of the most requested additions – an ultra-wide lens – is also expected to finally make its way into the slim OnePlus series. This means users will get more versatility for landscape shots, group photos, and creative angles. Although the exact configuration is still unclear, the camera system of the 15s is shaping up to be a meaningful upgrade over its predecessor.

Could Be One of 2026’s Most Exciting Compact Flagships

Even though nothing is official yet, the early leaks around the OnePlus 15s are creating massive hype. From the premium metal frame and stunning OLED display to the huge 7,000mAh battery and flagship Snapdragon 8 Elite Gen 5 chipset, this compact smartphone could deliver a perfect mix of design and performance.

 Add in the rumored multi-function alert slider and upgraded camera system, and the OnePlus 15s might just become one of the most powerful “small” phones of 2026.

As always, since these details are based on leaks, it’s wise to wait for official announcements. But if the rumors are anywhere close to the truth, the OnePlus 15s could be a game-changing device – and one that many users will eagerly look forward to.

(Source via)

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Abhijit Sardar
Show full profile Abhijit Sardar

Senior Editor at Intaak Media. After covering general tech news for 3 years, Abhijit now leads our Investigative News Desk, focusing on official launches, corporate strategy, and deep-dive reporting.

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