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Modern iPhone models (until the iPhone 15) include a lightning to USB cable. Starting with the iPhone 15, Apple included a USB-C to USB-C cable in place of the Lightning to USB cable. Pre-2012 models included written documentation, and a dock connector to USB cable. The first generation and 3G iPhones also came with a cleaning cloth.
[8] The MagSafe connector returned in 2021 as "MagSafe 3" with the introduction of updated 14-inch and 16-inch MacBook Pro models. [9] Apple also uses the MagSafe name for a wireless power transfer and accessory-attachment standard for the iPhone based on the Qi standard, introduced with the iPhone 12 and 12 Pro. [10]
The power supply was required to have an output capacitive energy of less than 15.1 µJ and an inductive energy at disconnect of less than 5.3 µJ. [ 1 ] The standard defines an AC adapter to power devices requiring from 10 W to 130 W (~20 V × 6.5 A) or (extended voltage option) up to 240 W (60 V × 4 A). [ 2 ]
In light of the declining popularity of the Micro USB connector and its limited power throughput relative to USB-C, in September 2021, the European Commission adopted a proposal to for a new directive, to update the existing Directive 2014/53/EU. [27] [28] The directive was approved by the European Parliament and Council of the European Union. [28]
In July 2021, Apple released the MagSafe Battery Pack. It contains a 11.13 W⋅h, 1,460 mA⋅h battery that on its own can charge an iPhone at up to 7.5 W. [27] While the pack is being charged via Lightning it can charge an iPhone at up to 15 W. The pack itself can be charged either directly through its Lightning port or wirelessly from an ...
In 2012, the USB Power Delivery (PD) specification was released. Power Delivery provides the ability for 5 V devices to draw more than 7.5 W of power (the limit specified by USB Battery Charging) from USB PD-aware ports when using PD-aware USB cables. The specification also allows PD ports to provide even greater power at higher voltages over ...
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To allow for voltage drops, the voltage at the host port, hub port, and device are specified to be at least 4.75 V, 4.4 V, and 4.35 V respectively by USB 2.0 for low-power devices, [a] but must be at least 4.75 V at all locations for high-power [b] devices (however, high-power devices are required to operate as a low-powered device so that they ...