Any way to bypass battery ?

[VanTastic]

Hi,

I own a 2018 15" MBP, and after less than 10 months of use, coconutBattery show the Design Capacity to be at 89.5%, which is a bit worrying.

I suspect it's because I leave my MBP plugged 90% of the time, because 1)I use it mainly on my desk and 2) I need it fully charged when I'm on the move. So I looked if there's a way to draw the power directly from the charger instead of the battery but couldn't find an answer. Is that even possible ? I would like to note that I don't know anything about the subject, so if this is a stupid question let me know and I'll delete the thread.

Thanks in advance !

 

[chrfr]

Hi,

I own a 2018 15" MBP, and after less than 10 months of use, coconutBattery show the Design Capacity to be at 89.5%, which is a bit worrying.

I suspect it's because I leave my MBP plugged 90% of the time, because 1)I use it mainly on my desk and 2) I need it fully charged when I'm on the move. So I looked if there's a way to draw the power directly from the charger instead of the battery but couldn't find an answer. Is that even possible ? I would like to note that I don't know anything about the subject, so if this is a stupid question let me know and I'll delete the thread.

Thanks in advance !

At times of peak use, the MBP can draw power from both the charger and the battery simultaneously, so if it were possible to bypass the battery you'd run the risk of an unexpected shutdown if power demand got too high.

 

[anpaman]

When it plugged and full charged it would draw power from charger.

You could check it at About This Mac >System Report > Hardware > Power > Charge Information > Charging.

It was No when fulled charged and Yes during charging battery.

I think the design capacity would be drop if you have running application need a lot of processor power like final cut pro under battery power.

When using application like final cut pro better to plugged it.

 

[TGM85]

I have a 2015 MBP, purchased in March 2017. 86% design capacity after 2 years and 3 months with 310 cycles.

89% on a less than a year old MBP does seem awfully low. Have you tried calibrating the battery? (https://www.wikihow.com/Calibrate-a-Laptop-Battery-on-a-Macbook)

 

[vaugha]

It does seem low indeed. I have a 7-year-old mbp 15” that’s got 200 cycles and still sitting at 90% capacity after all these years. It is used plugged in 95% of the time but still the battery was never replaced and in good shape. I’ve heard many reports that newer mbps (2016+) don’t last as long as the older ones which frankly is a little disturbing.