The hidden challenges and limitations of fast charging in smartphones

Smartphone manufacturers love to compete with each other and that’s especially true when it comes to hardware specs. While design, user experience and build quality are things that are hard to measure exactly, specs usually come with nice, specific numbers that you can compare and confidently say “X is larger than Y” which obviously means X is better, end of story.

That’s how we end up with all the different races between phone makers: whose phone has the most processor cores or amount of RAM, the biggest battery, and most recently, the highest charging speed.

But improving charging …

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