Apple's new 16-inch MacBook Pro charger uses GaN to stay small

The 140W charger for the new 16-inch MacBook Pro is Apple's first one to use gallium nitride technology to keep it small, and improve power delivery capacity.

As part of the launch of its new 16-inch MacBook Pro with MagSafe support, Apple introduced a new 140W charger for its hardware. A considerable jump from the 67W and 96W chargers included with the new notebooks, the charger has Apple incorporating new technologies in the accessory for the first time.The charger is Apple's first to employ gallium nitride, or GaN, the company confirmed to The Verge. GaN is a material that allows for higher voltage capacity and reduced energy loss due to heat, for example.

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