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2. 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]

3. Inductive charging - Wikipedia

   en.wikipedia.org/wiki/Inductive_charging

   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 vehicles, power tools, electric toothbrushes, and medical devices.

4. BlackBerry Priv - Wikipedia

   en.wikipedia.org/wiki/BlackBerry_Priv

   While BlackBerry was dominant in the early smartphone market, partially due to a large market share within the enterprise and governmental markets, the company had struggled in recent years due to the worldwide statistical dominance of the plethora of Android smartphones, and Apple Inc. and its iPhone line, the biggest maker of Android devices being Samsung Electronics. [6]

5. Near-field communication - Wikipedia

   en.wikipedia.org/wiki/Near-field_communication

   The NFC Forum has developed a specific wireless charging specification, known as NFC Wireless Charging (WLC), which allows devices to charge with up to 1W of power over distances of up to 2 cm (3 ⁄ 4 in). [17] This capability is especially suitable for smaller devices like earbuds, wearables, and other compact Internet of Things (IoT) appliances.

6. Power Matters Alliance - Wikipedia

   en.wikipedia.org/wiki/Power_Matters_Alliance

   Power Matters Alliance (PMA) was a global, not-for-profit, industry organization whose mission was to advance a suite of standards and protocols for wireless power transfer for mobile electronic devices (specifically a type of inductive charging that competes with the Qi standard).

7. Smartphone - Wikipedia

   en.wikipedia.org/wiki/Smartphone

   Wireless charging has been widely adapted, allowing for intermittent recharging without wearing down the charging port through frequent reconnection, with Qi being the most common standard, followed by Powermat. Due to the lower efficiency of wireless power transmission, charging rates are below that of wired charging, and more heat is produced ...