Early customers of Apple’s newest 16-inch MacBook Professional with M5 Professional and M5 Max chips uncover a refined but vital replace within the included 140W energy adapter. This transformation disrupts compatibility with choose equipment.
Redesigned Duckhead Connector
Apple’s energy adapters historically characteristic a detachable AC wall adapter, often called a duckhead, utilizing a C7 connection formed like eyeglasses. The brand new 140W adapter for the 16-inch MacBook Professional introduces a extra symmetrical duckhead design, marking a departure from this customary.
Impacted Equipment
Customers report that two key equipment fail to attach correctly with the up to date adapter. Apple’s $19 Energy Adapter Extension Cable, designed for the standard duckhead form, not features. Apple beforehand bundled this cable with MacBook Execs earlier than phasing it out beginning with the primary Contact Bar fashions a few decade in the past.
The Apple World Journey Adapter Package additionally proves incompatible as a result of new form. Though Apple has discontinued direct gross sales of this package, a assist doc nonetheless particulars its specs.
Standalone Adapter Standing
Questions linger in regards to the $99 standalone 140W USB-C Energy Adapter. Apple continues to record compatibility with the Energy Adapter Extension Cable, leaving uncertainty on whether or not it incorporates the revised duckhead design.

