The OnePlus Ace 5 Ultra is the first smartphone to earn 40W UFCS (Universal Fast Charging Specification) certification, setting a new bar for fast-charging compatibility across devices. The certification, granted by the FCA Terminal Fast Charging Industry Association, could signal a shift toward more universal and user-friendly fast-charging standards.
According to the association, the OnePlus Ace 5 Ultra has officially received the first integrated 40W UFCS fast charging certificate (ID: 0302547331154ROM-UFCS00190). That means the device supports third-party UFCS chargers at 40W, in addition to OnePlus’ proprietary 100W Super Flash Charge and Fusion Fast Charge systems.
The goal is to make charging more transparent and consistent for users across brands. UFCS is a collaborative industry effort backed by major Chinese tech players, aimed at creating a unified fast-charging protocol that cuts across ecosystems.
The Ace 5 Ultra isn’t just about charging. It’s powered by MediaTek’s Dimensity 9400+ chip, and features a large 6.83-inch LTPO AMOLED screen with a 2800×1272 resolution and a smooth 144Hz adaptive refresh rate. On the back, there’s a 50MP Sony IMX906 sensor with OIS and an 8MP ultra-wide lens for versatile photography.
Under the hood is a 6,700mAh battery built with silicon anode technology — what OnePlus calls a “Glacier Battery.” Combined with 100W charging, the phone can go from zero to full in under 30 minutes, making it one of the fastest-charging phones in its class.
The Ace 5 Ultra launched in China in May 2025, and with this certification, OnePlus moves closer to making fast charging more open, reliable, and hassle-free.
In a world where even “universal” PD charging can come with its own set of compatibility quirks, this unified fast charging standard—backed by major Chinese tech brands—is a welcome change. It’s a step forward that deserves recognition and could make life easier for users juggling multiple USB-C powered devices.
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