On the other hand, the genuine Apple charger (right) is crammed full of components. Since this processor increases the cost of the charger, knockoff chargers omit it, even though this makes the charger more dangerous.Īs the photos below show, the cheap charger (left) omits as much as possible. (more powerful than the microprocessor in the original Macintosh by some measures). To manage this, the genuine charger includes a powerful microcontroller Until it is properly connected ( details), it outputs a tiny amount of power (0.6 volts at 100♚) that can't produce a spark.
On the other hand, the genuine charger doesn't power up until it has been securely connected to the laptop for a full second. The fake charger constantly outputs 20 volts, so if any metal shorts the connector, it produces a big spark with all its 85 watts of power. Why does a fake charger produce sparks, while a genuine one doesn't? Unlike most cheap chargers, this one doesn't claim to be an Apple charger, but just a "Replacement AC Adapter".
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