OnePlus has started revealing key details about the upcoming OnePlus Ace 6 Ultra ahead of its official debut in China on April 28. The latest teasers focus heavily on battery endurance, charging speeds and gaming performance, hinting that the device is being positioned as a serious option for power users and mobile gamers.
Massive battery and fast charging focus

The OnePlus Ace 6 Ultra is confirmed to feature a huge 8,600mAh Glacier Battery (silicon-carbon) paired with 120W fast charging support. According to the brand, the phone is designed to deliver strong endurance even during demanding gaming sessions. OnePlus claims the device can deliver up to 7.44 hours of continuous gaming at 165Hz high frame rate settings on a single charge. The company also says that charging the phone for just 10 minutes can provide enough power for around two hours of gaming.
The teasers also reveal that the smartphone will introduce Oppo’s self-developed Glacier Battery energy chip for the first time. OnePlus China President Li Jie said the chip improves power efficiency and low battery management, allowing the phone to maintain better stability when the battery percentage drops.


Compared to phones that do not use this chip, OnePlus claims it can deliver battery endurance equivalent to an additional 200mAh capacity under regular temperatures. In extreme cold conditions of around -20°C, the system is said to release power equivalent to an extra 700mAh capacity. The chip is also expected to help extend battery lifespan, with OnePlus claiming up to five years of long-term durability.
Apart from the battery-focused upgrades, the OnePlus Ace 6 Ultra is expected to target gamers with several flagship-level features. The device is confirmed to use the MediaTek Dimensity 9500 chipset and a 6.78-inch 165Hz OLED display developed jointly with BOE. OnePlus claims this is the best display ever used in the Ace series in terms of gaming and visual quality.
The shared promotional material also highlights features such as a 3D ultrasonic fingerprint scanner, dual 1115W symmetrical speakers and IP66, IP68, IP69 and IP69K water and dust resistance ratings. The phone is also said to feature Oppo Crystal Shield glass protection with improved scratch and drop resistance.
Previous reports have revealed that it will ship with up to 16GB of RAM and 1TB of storage and will be available in Metal Storm and Ace Awakening shades. For photography, it Is expected to feature a 16-megapixel front camera and a 50-megapixel (main) + 8-megapixel (ultra-wide) dual-camera setup.
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