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Disassembling the 140W MacBook Pro power adapter shows what’s inside


The 140W power adapter that comes with the 16-inch MacBook Pro models is unique in several ways, and Apple has introduced new technology in the charger. It is the first Apple power adapter to use gallium nitride or “GaN” technology to reduce size, and is equipped with USB-C Power Delivery 3.1. ChargerLab today announced the disassembly of the 140W power adapter, giving those who are curious what is inside the hood.

The disassembly video contains general measurements and testing of the power adapter, but ChargerLab also completely disassembles the body to get to the internal parts. Part of the parsing analysis is very technical, but that part, which starts around 7:30 in the video, is worth a look for those who want to know about the specific chip setup that Apple uses.

As mentioned above, this is the first power adapter that Apple introduced with USB-C Power Delivery 3.1, and it’s also compatible with devices that support that charging specification. MacBook Pro models can also be charged with USB Power Delivery 3.1 chargers from other manufacturers.

The 140-watt power adapter comes with a 16-inch MacBook Pro, and is also available from Apple for $ 99.

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Naveen Kumar

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