The specific fast charge specifications for the iPhone 15 Plus have not yet been officially released. However, according to industry analysis and rumors, the iPhone 15 Plus is expected to support up to 25W of wired fast charge. That means it can charge faster than previous iPhone models, regaining power in less time. At the same time, the iPhone 15 Plus is also expected to support 15W wireless MagSafe fast charge, which provides faster charging speed for wireless charging.