Smartphone Charging: Understanding Standards

This is a MicroUSB news story, published by Wired, that relates primarily to Anker news.

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Samsung Wireless Fast Charge

Wired

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Technology

How to Fast-Charge Your Smartphone

Summary

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57% Informative

Smartphones have a maximum charging rate in watts , but they will only charge at that rate some of the time.

Smartphones communicate with the charger to dictate how much power they draw.

Most phones now support USB-C ports, but older iPhones have Lightning ports, and you might still find some old Android phones with MicroUSB .

Qualcomm’s Quick Charge (QC) was developed to charge batteries in devices faster than standard USB.

Oppo VOOC and SuperVOOC are proprietary standards, but Oppo licenses them to other brands.

Anker makes some of our favorite chargers and power banks and has its own standard called PowerIQ.

Apple ’s MagSafe standard combined Qi wireless charging with a magnetic array in the iPhone 12 and later, ensuring perfect coil alignment with MagSafe chargers.

It now supports the Qi2 standard (see below), and select new iPhones can charge at 25 watts .

With the Samsung Galaxy S25 series, a new “Qi2 Ready” standard arrived.

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