MacBook Pro 2019 won’t power on without charger even with battery charge

aHarish wrote:

macbook pro 2019 Sometimes, even when the laptop is charging, when you turn it off and on, it does not turn on even when the charger is not connected. After connecting the charger, it shows the same amount of charge.

[Re-Titled by Moderator]

Original Title: macbook pro 2019 power issue

On an Intel Machine you can —

Try resetting the System Management Controller Reset the SMC of your Mac - Apple Support

Try resetting NVRAM/PRAM Reset NVRAM on your Mac - Apple Support

Get help with your Mac notebook battery

Learn how to optimize the life of the battery in your Mac notebook, fix battery issues, and get service.

If you see Service Recommended on your MacBook Air or MacBook Pro - Apple Support

Unfortunately this behavior is more common than people realize with the 2016-2020 Intel Macs with USB-C ports. I've seen it occur with a brand new Apple OEM battery replacement (official repair), so I suspect a Logic Board issue is involved where it thinks the battery has been disconnected (or actually loses it connection temporarily).

Like the others mentioned, if this is the original battery from the factory, then it probably needs to be replaced since most Lithium Batteries need to be replaced between 3-5 years. If you are having battery related issues and the Battery Condition is showing as "Service Recommended", then it is time to replace the battery.

Open Launchpad and search for "System Information. Run that utility. When it opens, look down the left hand list of contents and selct 'Power." This is what the top of the resulting page looks like:

On your computer, what are the three values I have outlined in red?

Has the battery of your MacBook Pro ever been replaced?

Depending on the age and use of your MacBook Pro, the battery capacity might be too low.