Next-Gen Flagship Smartphone Debuts with On-Device AI and 48-Hour Battery
Revolutionary silicon-carbon battery technology and triple-chip architecture deliver 48-hour battery life and uncompromised performance for power users and gamers
SAN FRANCISCO, Nov. 21, 2025– OnePlus today unveiled the OnePlus 15, a flagship smartphone that eliminates range anxiety through a 7,300mAh silicon-carbon battery while integrating Google Gemini AI for instantaneous on-device processing. The device achieves up to 48 hours of mixed usage on a single charge, representing a 46% capacity increase over competing flagships that typically feature 5,000mAh batteries.
The OnePlus 15’s battery architecture leverages silicon-anode technology to store 26.3 watt-hours of energy in a compact 1.79 cubic-inch cell, enabling sustained performance during intensive AI workloads without thermal degradation. Unlike cloud-dependent AI systems, the integrated Gemini Nano model processes voice transcription, image analysis, and contextual suggestions entirely on-device, ensuring user data remains private while reducing latency by 80% compared to server-based alternatives. According to recent testing, the device maintains consistent performance during extended gaming sessions while delivering multi-day endurance previously unseen in flagship smartphones.
Powered by Qualcomm’s Snapdragon 8 Elite Gen 5 processor, the OnePlus 15 features a third-generation Oryon CPU clocked at 4.6 gigahertz, delivering 20% better performance and 35% improved power efficiency over previous generations. The Adreno GPU provides 23% enhanced graphics performance while the proprietary triple-chip architecture—combining the main processor with dedicated touch-response and Wi-Fi chips—eliminates resource idle time during gaming. A 5,731-square-millimeter vapor chamber cooling system paired with aerospace-grade aerogel screen technology prevents thermal throttling, maintaining peak performance without uncomfortable surface temperatures during intensive use.
Independent research confirms that 78% of smartphone users cite battery life as their primary purchasing factor, yet the industry has stagnated at single-day endurance for five consecutive years. The OnePlus 15 addresses this gap directly, achieving two full days of moderate use including email, social media, and video streaming, or 6.6 hours of high-frame-rate gaming at 165Hz. The 6.78-inch AMOLED display supports native 165Hz refresh rates—45% faster than standard 120Hz panels—with 1.5K resolution for reduced motion blur in fast-paced titles like Call of Duty: Mobile and Real Racing 3.
The device also introduces the Plus Mind AI hub, a digital memory system that analyzes locally stored notes, voice memos, and images to generate personalized insights without cloud transmission. Camera capabilities include three 50MP sensors with the DetailMax Engine, producing computational photography enhancements while maintaining the 7,300mAh battery’s record-breaking endurance. Charging speeds reach 80 watts wired and 50 watts wireless, with bypass charging allowing direct outlet power during marathon sessions to preserve long-term battery health.
“Smartphones shouldn’t force users to choose between intelligence and endurance,” said Pete Lau, Chief Product Officer at OnePlus. “The OnePlus 15 proves that on-device AI and multi-day battery life aren’t mutually exclusive when you engineer every component—from the silicon-anode chemistry to the CPU scheduler—for efficiency.”
Market data indicates the global smartphone battery market will reach $16.3 billion by 2027, driven by AI workload demands. The Enovix AI-1 battery platform, which shares architectural principles with the OnePlus 15’s cell, has demonstrated over 900 charge cycles while supporting 3C fast charging rates, reaching 50% capacity in 15 minutes . With 16GB of LPDDR5X Ultra+ RAM at 10,667 megabits per second, the OnePlus 15 positions itself as the benchmark for 2025’s flagship segment.
The OnePlus 15 launches today in Canada and Asian markets, with U.S. availability pending FCC approval following recent federal processing delays. The 256GB storage with 12GB RAM variant starts at $899, while the 512GB storage with 16GB RAM configuration retails for $999.
About OnePlus
OnePlus is a global mobile technology company founded in 2013 that creates premium smartphones and accessories. Renowned for combining cutting-edge hardware with refined software through its OxygenOS platform, OnePlus serves over 50 million users worldwide with a commitment to burdenless design and performance innovation.
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