Under the hood of Apple’s iPhone, iPad charger

This is what goes into Apple's $29 wall-charging unit.

(Credit:
Ken Shirriff)

No, it’s not the first thing people gravitate toward when tearing open their brand-new iPhone or iPad. Heck, it’s probably not even the second or third thing (the USB cable and the Apple sticker are more popular I’m sure).

But, hidden deep within that pretty box is a cube that makes the whole thing work. It’s an AC wall-charging unit, and it’s as technically impressive as any other component in that box.

Ken Shirriff, a technology buff and blogger, has a complete teardown of Apple’s tiny technical wonder on his blog, detailing (exhaustively, I might add) why exactly Apple can charge $29 for it.

The details are fascinating if you have a mind for tech speak and electronics, but the basic summation of what Shirriff found is that Apple has gone through an immense amount of effort to create a safe, effective, and, yes, beautiful wall charger for its products.

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