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Frequently Asked Questions
I own a MacBook Air that is charged with USB-C and only with 30 watts. Can I also use a tizi USB-C power adapter that provides more watts?
The answer is clear: yes. USB-C devices use the PD, Power Delivery standard for charging. Here, the device, such as the MacBook Air, asks the tizi power adapter how many watts the tizi power adapter could provide at most. Then the charging controller starts in the MacBook Air and actively draws exactly the power it needs to charge. If, for example, only 30 watts are needed, the MacBook Air only draws 30 watts. A more powerful tizi power adapter can therefore never harm a USB-C device. The device itself decides on the power consumption.
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