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2. Inductive charging - Wikipedia

   en.wikipedia.org/wiki/Inductive_charging

   Inductive charging. The primary coil in the charger induces a current in the secondary coil in the device being charged. Inductive charging (also known as wireless 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 ...

3. Qi (standard) - Wikipedia

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

   The standard allows compatible devices, such as smartphones, to charge their batteries when placed on a Qi charging pad, which can be effective over distances up to 4 cm (1.6 in). [2] The Qi standard is developed by the Wireless Power Consortium. [1] As a universal, open standard Qi-enabled devices are able to connect to Qi chargers from any ...

4. Near-field communication - Wikipedia

   en.wikipedia.org/wiki/Near-field_communication

   Near-field communication ( NFC) is a set of communication protocols that enables communication between two electronic devices over a distance of 4 centimetres (1.6 in) or less. [1] NFC offers a low-speed connection through a simple setup that can be used for the bootstrapping of capable wireless connections. [2]

5. Wireless power transfer - Wikipedia

   en.wikipedia.org/wiki/Wireless_power_transfer

   When the phone is set on the pad, a coil in the pad creates a magnetic field [1] which induces a current in another coil, in the phone, charging its battery. Wireless power transfer ( WPT ), wireless power transmission, wireless energy transmission ( WET ), or electromagnetic power transfer is the transmission of electrical energy without wires ...

6. Nothing Phone 1 - Wikipedia

   en.wikipedia.org/wiki/Nothing_Phone_1

   The phone has a 4500 mAh battery, with 33W charging, which is capable of charging the phone from 0 to 50% in 30 minutes and a full charge in 70 minutes. It also features 15W wireless charging, 5W reverse-wireless charging, and supports Quick Charge 4.0 and Power Delivery 3.0 up to 33W.

7. OnePlus 9 - Wikipedia

   en.wikipedia.org/wiki/OnePlus_9

   The 9 Pro now features 50 W fast wireless charging with the purchase of the official OnePlus-branded 50 W wireless charger. This is an increase from 30 W fast wireless charging in the previous generation. Software. Both phones shipped originally with OxygenOS 11, based on Android 11.