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Usb Pd

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iPhone 18 Pro needs Apple's 40W dynamic adapter for fastest charging

Apple says the iPhone 18 Pro charges 0-50% in about 15 minutes, roughly 5 minutes quicker than the iPhone 17 Pro, but only when paired with its 40W dynamic power adapter and a USB-C cable supporting 60W output. That adapter is currently the only one meeting Apple's requirement for USB PD 3.1 with Adjustable Voltage Supply. Wireless charging via MagSafe with a 35W brick reaches 0-50% in about 30 minutes.

Google's Extreme Charging mode on Pixel 11 Pro XL runs notably hotter than standard charging

Testing of the Pixel 11 Pro XL's new Extreme Charging feature found it sustains peak power output of around 41W for roughly 16 minutes, compared to 10 minutes in standard mode, cutting charging times as Google promised but at the cost of higher heat generation. The feature also proved finicky to activate, only appearing after two full charge cycles and a wait, and it requires a specific 45W USB PD PPS charger supporting 21V rather than the more common 11V PPS chargers.

USB Power Delivery emerges as the common thread across phone fast-charging systems

USB PD, especially its PPS feature, now underpins fast charging on most major phones, including Apple's iPhone 17 and Android flagships like Samsung's Galaxy S26 Ultra and Google's Pixel 11 series. Qualcomm Quick Charge, once dominant, has largely folded into USB PD compatibility, while brands like OnePlus, Oppo and Xiaomi still rely on proprietary systems such as SuperVOOC and HyperCharge for their fastest speeds.