Battery charging is one of the few remaining segments in the smartphone world where proprietary technologies can thrive. Most companies use chipsets from the same suppliers, they buy the same screens and camera sensors too. But the batteries and accompanying hardware is sometimes fully custom and has been a field of fast-paced innovation in the last few years. Okay, USB Power Delivery exists, some might say it’s the best option because of its wide support. The same argument can be made for Qi on the wireless charging front. But right now proprietary systems allow for higher speeds and are...
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