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2. Universal Power Adapter for Mobile Devices - Wikipedia

   en.wikipedia.org/wiki/Universal_Power_Adapter...

   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 ]

3. MagSafe (wireless charger) - Wikipedia

   en.wikipedia.org/wiki/MagSafe_(wireless_charger)

   MagSafe is a proprietary, magnetically attached wireless power transfer and accessory-attachment standard developed by Apple Inc. for its iPhone and AirPods product lines. It was announced on October 13, 2020, in conjunction with the iPhone 12 and 12 Pro series.

4. iPhone 8 - Wikipedia

   en.wikipedia.org/wiki/IPhone_8

   Both the iPhone 8 and 8 Plus were supplied with iOS 11 on launch, [25] [27] and support iOS 12, iOS 13, iOS 14, iOS 15 and iOS 16. Apple announced that the iPhone 8 and 8 Plus, as well as the iPhone X, would not support iOS 17 due to hardware limitations. [35] However, the devices still receive security updates.

5. MagSafe - Wikipedia

   en.wikipedia.org/wiki/MagSafe

   [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]

6. Belkin - Wikipedia

   en.wikipedia.org/wiki/Belkin

   In 2016, Belkin released an iPhone-compatible adapter for simultaneous iPhone charging and headphone use. [29] Belkin produced the world's first third-party MagSafe accessory. [30] In 2023, Belkin launched the BoostCharge Pro 3-in-1 Wireless Charging Pad with Qi2 and the BoostCharge Convertible Qi2 Wireless pad to stand.

7. USB hardware - Wikipedia

   en.wikipedia.org/wiki/USB_hardware

   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 ...