When you charge an iPhone, you can use a small white cube to convert 110V AC to whatever it is the iPhone needs. When you charge a laptop, you need a “power supply”–generally a much larger brick–to do something similar. Why?
When you charge an iPhone, you can use a small white cube to convert 110V AC to whatever it is the iPhone needs. When you charge a laptop, you need a “power supply”–generally a much larger brick–to do something similar. Why?
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