Power a pro?

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DanWeist Author

Level 1

4 points

Power a pro?

Can i power my 2019 macbook pro with a lightning /thunder cord plugged into a dc adapter?

MacBook Pro 13″, OS X 10.11

Posted on Jun 10, 2022 10:53 AM

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Answer 1

Best reply

Phil0124

Community+ 2024

Level 10

200,885 points

Jun 10, 2022 11:41 AM in response to DanWeist

Lightning, no. Lightning is only for iPhones. The MacBook Pro has no Lightning port, so no way to even connect a Lightning cable.

Thunderbolt 3 / 4 / USB-C yes. That is in fact the only way to charge a 2019 MacBook Pro. The charger and MacBook Pro both have USB-C ports so you can use a USB-C cable to connect it to a USB-C charging brick.

Charge the MacBook Pro battery - Apple Support

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Answer 2

Jun 10, 2022 3:39 PM in response to DanWeist

Yes. You can use a USB-C to USB-A adapter. However, I don’t know where you would find a usb power adapter with enough power to charge a MacBook Pro.

A 2019 MacBook Pro requires around 65 watts to charge at a decent rate. Lower rated chargers may work, but will be very slow.

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Answer 3

DanWeist Author

Level 1

4 points

Jun 10, 2022 7:22 PM in response to Phil0124

Thanks again. I appreciate your follow-through, Phil.

perhaps giving you a little more background might help with an additional detail or two I am looking for.

One day when I didn’t have my regular power cord I wondered if the appropriate cord (usb b-c and DC adapter) could power the MacBook, perhaps temporarily.

Not charging it up, just supplying power when it is low to keep it running.

I worried the smaller wattage might be harmful to the pro?

I’ve always understood that under-powering any electronic device might be as bad as over powering it.

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Answer 4

Jun 10, 2022 7:30 PM in response to DanWeist

Just plug it in and try, you aren’t going to hurt anything.

The laptop runs entirely on DC power; so if the adaptor can’t keep up, the battery will makeup the shortfall.

If there’s a power deficit, the battery SoC will fall, if there’s a surplus it will rise.

You’ll want a power adaptor of at least 20W to get the higher voltages of the USB-PD spec.

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Answer 5

DanWeist Author

Level 1

4 points

Jun 10, 2022 1:37 PM in response to Phil0124

Thanks Phil.

Besides the fact you can adapt the lighting to make a connection …

What about thunderbolt to a usb plugged into a dc power adapter?

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