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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]
Quick Charge requires both the power supply and the device being charged to support it, otherwise charging falls back to the standard USB ten watts. Quick Charge 2.0 introduced an optional feature called Dual Charge (initially called Parallel Charging), [4] using two PMICs to split the power into 2 streams to reduce phone temperature. [5]
April 14, 2014 Samsung launched the Galaxy S5 that supports Qi wireless charging with either a wireless charging back or receiver. November 20, 2015 Microsoft launched the Lumia 950 XL and Lumia 950 which support charging with the Qi standard.
The proliferation of portable wireless communication devices such as mobile phones, tablet, and laptop computers in recent decades is currently driving the development of mid-range wireless powering and charging technology to eliminate the need for these devices to be tethered to wall plugs during charging. [172]
Wireless charging Yes (native; fast charge supported [c 35]) Battery 3,000 mAh non-replaceable 3,500 mAh non-replaceable Charging speed 15 Watts via Qualcomm Quick Charge 2.0 Common sensors Accelerometer, Gyroscope, Digital compass, Barometer, Front-facing proximity sensor, Brightness sensor, Heart rate sensor, SpO2: Additional sensors
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