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2. MagSafe (wireless charger) - Wikipedia

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

   The iPhone 12/12 Pro and newer (except the 3rd generation iPhone SE and iPhone 16e) support Qi2 with iOS 17.4. [43] MagSafe Charging Case for AirPods (3rd generation) The wireless charging case for AirPods (4th generation) does not have magnets to automatically align with MagSafe chargers due to its smaller size.

3. Inductive charging - Wikipedia

   en.wikipedia.org/wiki/Inductive_charging

   Inductive charging (also known as wired charging or cordless charging) is a type of wireless power transfer. It uses electromagnetic induction to provide electricity to portable devices. Inductive charging is also used in vehicles, power tools, electric toothbrushes, and medical devices.

4. Qi (standard) - Wikipedia

   en.wikipedia.org/wiki/Qi_(standard)

   Qi (/ tʃ iː / CHEE) is an open standard for inductive charging developed by the Wireless Power Consortium.It allows compatible devices, such as smartphones, to receive power when placed on a Qi charger, which can be effective over distances up to 4 cm (1.6 in). [1]

5. Universal Power Adapter for Mobile Devices - Wikipedia

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

   This can help mobile devices, laptops, many consumer electronic devices, office devices like Ethernet switches/hubs, and wireless routers to use the same power adapter around the world. This specification defines a communication channel between device and adapter, to negotiate the requirements and supply.

6. USB hardware - Wikipedia

   en.wikipedia.org/wiki/USB_hardware

   USB Battery Charging (BC) defines a charging port, which may be a charging downstream port (CDP), with data, or a dedicated charging port (DCP), without data. Dedicated charging ports can be found on USB power adapters to run attached devices and battery packs. Charging ports on a host with both kinds will be labeled. [59]

7. Wireless power transfer - Wikipedia

   en.wikipedia.org/wiki/Wireless_power_transfer

   [13] [16] [91] Capacitive coupling has recently been applied to charging battery powered portable devices [4] as well as charging or continuous wireless power transfer in biomedical implants, [5] [6] [7] and is being considered as a means of transferring power between substrate layers in integrated circuits. [92] Two types of circuit have been ...