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extension cable

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    Can I use my 2013 MacBook Pro power extension cable for my 2017 MacBook Pro?

    My late-2013 MacBook Pro that uses the 85W MagSafe 2 power adapter comes with a power adapter extension cable. However my 2017 MacBook Pro doesn't have the extension cable for 87W USB-C power adapter, just the electrical plughead. Are there any issues if I use the 85W MagSafe 2 power adapter...