Converter between MagSafe 1/2 and MagSafe 3
Will there be a converter available for connecting one of the old MagSafe or MagSafe 2 power adaptor to the new MagSafe 3 port which is present in the newly released MacBook Pros? I haven't been able to find any yet.
Apple did release such a connector for converting between MagSafe and MagSafe 2:
MagSafe to MagSafe 2 Converter https://www.apple.com/shop/product/MD504LL/A/magsafe-to-magsafe-2-converter
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MagSafe 3 is USB-C power delivery with a pin layout change and it is not compatible with older computers or adapters.
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MagSafe 1/2 is a totally different voltage and power signaling specification.
Anything is possible with inverters and power handling, but the size and cost of it would be high. I doubt we will see anything but “snake oil” in this space, but I could always be wrong.
Most of this Wikipedia article covers the older technical details which could lead people to expect a simple adapter like was possible between 1 and 2 but the change for 3 is a substantial one and not a “compatible” one.
- https://en.wikipedia.org/wiki/MagSafe
The Apple MagSafe support document mentions the MagSafe to MagSafe 2 converter:
If your Mac uses MagSafe 2, you can charge your Mac with a MagSafe 2 power adapter or a MagSafe power adapter connected with the MagSafe to MagSafe 2 converter.
But goes on to say that the earlier versions "aren't compatible" with MagSafe 3.
MagSafe 2 and MagSafe power adapters aren't compatible with MagSafe 3.
So it seems very unlikely Apple will be releasing a MagSafe 2-to-3 converter.