“Can this charge the Galaxy S25 Ultra to 50% in 20 minutes? Can it do the same for the iPhone 17 Pro Max? If not, how fast will this charge the S25 Ultra?”
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The Anker Nano II 45W PPS USB-C Fast Wall Charger supports a charging speed of up to 45W for Samsung devices compatible with the Programmable Power Supply (PPS) technology. For a device like the Galaxy S25 Ultra, which likely supports 45W charging, this charger can fully charge it in approximately one hour. However, "Super Fast Charging 2.0" mode, which is the fastest, may not appear because the charger might not meet the 9V/5A PPS requirement for displaying this mode. Regarding the iPhone 17 Pro Max, Apple phones currently do not utilize the PPS charging protocol. The Nano II 45W will charge the iPhone quickly but not likely reach a 50% charge in 20 minutes due to hardware and Apple's charging limitations. For Samsung devices, while it won't enable "Super Fast Charging 2.0," the charging speed using "Super Fast Charging" should still be very efficient and equivalent to Samsung's 45W charger.
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