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The 60W MagSafe 2 charger of my MacBook Pro (Mid 2014, 13") is already pretty worn down, and the cables are almost broken. A replacement is costly, and I think I'd prefer a charger with a detachable cable, as I fear the original one might break easily again when I carry it around in my bagpack. I'm thinking of buying a third-party USB-C charger, and then using a USB-C->MagSafe2 adapter to connect it to the MacBook. From what I've seen, using a higher wattage charger is discouraged, especially if the MacBook doesn't natively support USB-C, as is the case here. Most third-party chargers I've seen have 65W, I guess that shouldn't make too much of a difference.

I feel like this should be possible, but I know Apple is rather particular about using non-Apple hardware and accessories. Do I have to expect any damage to my MacBook using a third-party charger and USB-C to MagSafe2 adapter, or should this work just fine (as long as the charger specs match)?

I don't think my question is a duplicate. Most questions refer to MacBooks that already handle USB-C natively, which is not the case here, as USB-C was released after this MacBook came up. Do the remarks regarding "power negotiation" then still apply? I would assume not.

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    Using a higher wattage charger is perfectly fine. The answer you linked to references voltage not wattage. It’s also irrelevant. USB-C negotiates the power that’s delivered.
    – Allan
    Commented Jun 26, 2023 at 1:01
  • Does the USB-C charger does that on its own? Or does the connected device need to support some interface?
    – panda-byte
    Commented Jun 26, 2023 at 1:13
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    USB-C charging is standards compliant meaning they must comply with the industry defined methods for charging. As along as you get a something that says USB-PD (for Power Delivery), it will work. All Apple products are USB-PD compliant.
    – Allan
    Commented Jun 26, 2023 at 2:22

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