The difference between an Apple-made iPad charger and a cheap knock-off

[iMore.com]

The difference between an Apple-made iPad charger and a cheap knock-off may seem obvious ? price. One is almost $20 and the other just $3. What's not so obvious is what's inside the chargers that make for that difference in price. Part of it is Apple's profit margins, no doubt, which included research and development into making the original charger. But it also includes far more and far safer components, and far, far more care.

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