OnePlus 15T specs reveal a stunning 7,500mAh battery in a compact size

The trend of “compact” flagships with compromised battery life may finally be coming to an end. According to a new report from a prominent industry insider, the upcoming OnePlus 15T specs could redefine the small form-factor segment by packing an unprecedented battery capacity into a pocket-friendly frame.

The information comes from the reliable tipster Digital Chat Station on Weibo, who has outlined the key hardware configuration for the device. If the leak holds true, OnePlus is preparing a direct competitor to the Xiaomi 17, targeting users who want one-handed usability without battery anxiety.

OnePlus 15T specs: A Battery Breakthrough

The most striking detail in the leaked OnePlus 15T specs is the power cell. The device is rumored to house a battery ranging between 7,000mAh and 7,500mAh.

For context, fitting a battery of this magnitude into a compact chassis suggests the use of advanced silicon-carbon battery technology. This would represent a massive leap over its predecessor, the OnePlus 13T (known as the 13S in India), which carried a 6,260mAh unit. It also positions the device to potentially outperform the Xiaomi 17, another compact flagship that recently debuted with a 7,000mAh cell.

OnePlus 15T specs: Premium Display and Build

Despite the massive battery in the new OnePlus 15T specs leak, the phone is expected to remain relatively small. The leak points to a flat 6.3-inch OLED display with a 1.5K resolution. Notably, the screen is tipped to support a 165Hz refresh rate, a feature that will likely appeal to mobile gamers looking for smoother visuals than the standard 120Hz found on most competitors.

The build quality appears to be shifting upmarket as well. The report claims the phone will feature a metal frame, moving away from the plastic composites often used in sub-flagship “T” series models. Security will be handled by an ultrasonic under-display fingerprint sensor, offering faster and more secure unlocking compared to optical solutions.

Performance and Cameras

In the imaging department, the leak mentions a 50MP JN5 telephoto lens. While the exact optical zoom level wasn’t specified, this sensor is comparable to the 2x telephoto setup found on previous generations, suggesting a focus on portrait photography.

While today’s leak focused on the exterior and battery, previous reports from October suggested that the OnePlus 15T will be powered by the Snapdragon 8 Elite Gen 5 chipset. If accurate, this would make the device a true “wolf in sheep’s clothing,” combining top-tier processing power with class-leading endurance.

The Availability Question

The remaining question is availability. The previous generation—the OnePlus 13T/13S—was exclusive to China and India. Western consumers will have to wait and see if OnePlus decides to bring this endurance monster to global markets or if it will remain an exclusive gem for Asian territories.