Constant charging my MacBook Pro 16"

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AMaya1997 Author

Level 1

8 points

Constant charging my MacBook Pro 16"

Hi! I have a dell screen that connects to my MacBook Pro 16’ 2019 via usb type c cable. Because I need two screens my MacBook is continuously connected to power (usb type c also charges my MacBook in addition transferring audio and video), do I need to worry about the battery going bad because it is always charging ? I there anything I can do ? i bout this dell screen specifically because It has a usb type c option so I won’t need to buy any other dongles such as HDMI etc.

Thanks for answering !

MacBook Pro 16″, macOS 10.15

Posted on Sep 20, 2020 2:51 AM

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Answer 1

Top-ranking reply

neuroanatomist

Level 9

55,683 points

Sep 20, 2020 5:28 AM in response to AMaya1997

It’s preferable to run on AC as much as possible. It won’t hurt your battery, but rather will prolong its lifespan by reducing accumulation of cycles. It's true that Li-based batteries need to be used occasionally, but macOS takes care of that for you with battery health management. Here's an example (green shading is AC power, blue line is charge level, you can see the blip where my Mac ran itself on battery briefly even though connected to AC):

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Answer 2

AMaya1997 Author

Level 1

8 points

Sep 20, 2020 6:16 AM in response to neuroanatomist

Thanks! now I won’t have to worry about my computer battery going bad in a short period of time (a lot of people scared me that it’ll happen if leave it plugged in all of the time)

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Constant charging my MacBook Pro 16"

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