MacBook Pro Charger Silently Redesigned — And It No Longer Works With Apple's Own Extension Cable
If you just bought the new 16-inch MacBook Pro and reach for Apple's Power Adapter Extension Cable to get a little extra length on your desk, you may run into a frustrating surprise. The 140W USB-C Power Adapter that ships with the M5 Pro and M5 Max models has received a quiet design change that breaks compatibility with that very cable — and Apple has not clearly warned anyone about it. This is not a software glitch. It is a physical hardware redesign already affecting customers in multiple countries.
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| Credit: Google |
What Changed on the New 140W MacBook Pro Charger
The change is subtle but significant. Apple's updated 140W USB-C Power Adapter still features a removable plug, which has long made it convenient for international travelers. However, the male connector underneath — the two-pin piece that the extension cable slots onto — has been redesigned without any public announcement.
The previous version used a modified C7 connector shape, a design that has been an industry standard for roughly 20 years and is widely compatible with third-party extension cables and accessories. The new version features a slimmer, pill-shaped connector that does not conform to that same standard. This means Apple's own Power Adapter Extension Cable, designed to fit the older connector, simply does not fit the new charger. For everyday users who rely on the extension cable to reach a wall socket across the room, this is an immediate, practical problem.
Apple's Product Page Still Claims Full Compatibility
Here is where the situation becomes even more puzzling. Despite this confirmed physical incompatibility, Apple's product page for the Power Adapter Extension Cable continues to list the 140W USB-C Power Adapter as a compatible accessory — with no asterisk, no disclaimer, and no updated notice.
This means a customer could reasonably purchase the extension cable expecting it to work, only to discover at home that it does not. That is not a minor oversight — it is a product page that is actively misleading buyers right now. Apple has been contacted for comment, though no official statement has been issued at the time of publication. Apple's discontinued World Travel Adapter Kit is also affected by this change, adding another layer of frustration for users who travel internationally and rely on that kit to use their charger abroad.
Which Countries Are Affected — And What We Still Do Not Know
Reports of the redesigned connector have surfaced from customers in Australia and China. However, not every user in those countries appears to have received the new version — some buyers have confirmed their chargers still carry the original connector design, making this a hit-or-miss situation that is difficult to predict at the point of purchase.
What remains unclear is the full scope of the rollout. It is not yet confirmed whether all countries will eventually receive the redesigned charger, whether the 140W USB-C Power Adapter sold separately — not bundled with the MacBook Pro — is also affected, or when Apple made this quiet transition in its supply chain. The lack of any official communication from Apple makes it nearly impossible for consumers to make informed purchasing decisions right now.
Why Apple Changed the Connector — And What People Are Saying
Apple has not explained the rationale behind the redesign. Speculation ranges from manufacturing cost reductions to a deliberate move away from the older IEC 60320 standard that the previous connector followed. That standard has been around for decades and was the reason so many third-party cables — including cords from older game consoles and other electronics — happened to be compatible with older Apple chargers.
The reaction among users has been sharp. Many are questioning why a connector standard that worked reliably for 20-plus years needed to change at all, particularly when the change introduces new incompatibilities rather than solving any existing problem. Others have raised concerns about the charger's ability to keep pace with power delivery under heavy load on the M5 Max configuration, though that is a separate issue from the connector redesign. The broader sentiment reflects a growing frustration with small, undisclosed hardware changes that create friction for loyal customers who have built accessory ecosystems around Apple's products.
What You Should Do Before Buying Accessories for Your New MacBook Pro
If you recently purchased — or are planning to purchase — the 16-inch MacBook Pro M5 Pro or M5 Max, there are a few practical steps worth taking before buying any charging accessories. First, inspect your included charger before assuming it is compatible with existing extension cables. Look at the two-pin connector beneath the removable plug — if it appears slimmer and more pill-shaped than what you remember from older Apple chargers, you have the new version.
Second, hold off on purchasing the Power Adapter Extension Cable if you are in a country where the redesigned charger has been reported, at least until Apple updates its product page or issues formal clarification. Third, if you rely on international travel adapters, verify compatibility before assuming your existing setup carries over. Until Apple officially addresses the gap between its product page claims and real-world compatibility, caution is the smartest approach any buyer can take.
Apple's Quiet Hardware Changes Are Adding Up
This charger compatibility issue is not happening in isolation. It follows a broader pattern of small, undisclosed hardware changes that have caught Apple customers off guard across recent product cycles. Changes to components, materials, or connector designs that happen without announcement leave users discovering problems after purchase rather than before.
For a company that markets its ecosystem as seamless and integrated, a situation where one Apple product does not work with another Apple accessory — and where the product page still claims it does — undermines that promise in a very tangible way. Transparency about hardware revisions, even minor ones, goes a long way toward maintaining the trust of customers who spend significantly on Apple hardware and accessories. Apple has long had the credibility and the platform to communicate these changes clearly. The question now is whether it will choose to do so before more customers run into this issue the hard way.
