Charge your MacBook Pro with an underpowered AC adapter

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P-Funch Author

Level 1

8 points

Charge your MacBook Pro with an underpowered AC adapter

If an underpowered AC adapter is used for charging a MacBook Pro - does it have any negative impact on the battery?

MacBook Pro, Mac OS X (10.6.8)

Posted on Jan 3, 2018 2:42 AM

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Answer 1

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seventy one

Level 7

27,424 points

Jan 3, 2018 3:04 AM in response to P-Funch

Can I add a proviso. Ideally it should be an Apple approved charger with the appropriate cable linkage. Some others will do the job but I could not confirm which. Approach the charger manufacturer if that applies.

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Answer 2

seventy one

Level 7

27,424 points

Jan 3, 2018 3:19 AM in response to P-Funch

There is a well known company called iFixit who have a European link here ...

https://eustore.ifixit.com/ More details are on Google under the heading iFixit

The also have British iTech stores. Contact / phone them and explain what you need and what for.

Be sure to specify the model of your MBP and the cables you have.

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Answer 3

seventy one

Level 7

27,424 points

Jan 3, 2018 2:47 AM in response to P-Funch

It will be much slower. Should not affect the battery.

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Answer 4

P-Funch Author

Level 1

8 points

Jan 3, 2018 3:04 AM in response to seventy one

Thank you for answers. I would like to use my old 85W Apple charger as a secondary charger, but that requires some sort of adapter from magsafe2 to usb3.

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