Decrease health of battery in macbook pro 2017

[vahla]

Hi all I have a Macbook Pro 2017 After two years of working with Cycle 48 and 90% health I was told on the Apple site that if I use the charger continuously it means I don't use the battery provided I get it once a week or every 9 days Battery powered battery means recharging, no problem for the battery but now my battery health is down and I'm worried please help.

 

[0906742]

I think this is more of less what the batteries are today in most battery powered devices. They age rapidly no matter if you use it or not, and get weak (or come weak straight out of the box even). i'd say manufacturers should consider bringing user replaceable batteries back to these machines!

 

[leman]

Batteries age and deteriorate whether you use them or not. In fact, they might age faster if they are not used.

your battery behaves as expected, there is no reason to worry. And yes, batteries should be replaced regularly (every 4-5 years), even if they are used little.

 

[vahla]

Batteries age and deteriorate whether you use them or not. In fact, they might age faster if they are not used.

your battery behaves as expected, there is no reason to worry. And yes, batteries should be replaced regularly (every 4-5 years), even if they are used little.

Which one do you think is best to use 100% of the city's electricity when working, then use a battery for a week or always a MacBook battery charge and decharge?

 

[leman]

Which one do you think is best to use 100% of the city's electricity when working, then use a battery for a week or always a MacBook battery charge and decharge?

frankly, I don’t think it matters much. Just use the laptop the way it’s most convenient for you. You will get a decent battery life at any rate, and anything beyond that is a lottery anyway.

 

[vahla]

frankly, I don’t think it matters much. Just use the laptop the way it’s most convenient for you. You will get a decent battery life at any rate, and anything beyond that is a lottery anyway.

Do you think if I go as far as using the MacBook battery, what Apple says after 1000 cycles should have 80% of the remaining battery capacity wouldn't be for my MacBook?

 

[leman]

Do you think if I go as far as using the MacBook battery, what Apple says after 1000 cycles should have 80% of the remaining battery capacity wouldn't be for my MacBook?

I think that you should stop obsessing about this and just use your laptop and focus on things important to you.

 

[vahla]

I think that you should stop obsessing about this and just use your laptop and focus on things important to you.

Thank you leman.

 

[Fishrrman]

The battery won't stay at 100% forever.
It starts declining from the first use (even at very small increments).

90% of full capacity after two years is pretty good.

You should disconnect the charger and run off of the battery at least once or twice a week.
Run it down to about 40-50% of charge, then reconnect it.

 

[vahla]

The battery won't stay at 100% forever.
It starts declining from the first use (even at very small increments).

90% of full capacity after two years is pretty good.

You should disconnect the charger and run off of the battery at least once or twice a week.
Run it down to about 40-50% of charge, then reconnect it.

As I understand from your talk, you mean to disconnect the charger and use up to 50% of the battery charge to reconnect the charger. Do you think this will increase battery health?

 

[Fishrrman]

"you mean to disconnect the charger and use up to 50% of the battery charge to reconnect the charger. Do you think this will increase battery health?"

I doubt it will "increase" the existing capacity any.

The battery will continue to slowly lose it's "full capacity". That's how batteries behave.

What it will do is give the battery the proper "exercise" so that its capacity doesn't decrease too quickly.

 

[vahla]

"you mean to disconnect the charger and use up to 50% of the battery charge to reconnect the charger. Do you think this will increase battery health?"

I doubt it will "increase" the existing capacity any.

The battery will continue to slowly lose it's "full capacity". That's how batteries behave.

What it will do is give the battery the proper "exercise" so that its capacity doesn't decrease too quickly.

Thank you so much...
One more question, do you think MacBook can be used in days when the battery is 100% charged while the charger is plugged into the city?

 

[collin_]

There was a very similar thread earlier today. Please see what I said there:

https://forums.macrumors.com/thread...lth-82-after-96-cycles.2195451/#post-27669068

 

[MSastre]

I use my 2013 rMBP tethered to the charger when doing any video editing, but mostly untethered, and many times (not always) below 10% before it goes back on the charger. The battery is still in great condition as far as I'm concerned. Use yours however you want.

 

[vahla]

I use my 2013 rMBP tethered to the charger when doing any video editing, but mostly untethered, and many times (not always) below 10% before it goes back on the charger. The battery is still in great condition as far as I'm concerned. Use yours however you want.

View attachment 855273

Thank you so much

 

[vahla]

There was a very similar thread earlier today. Please see what I said there:

https://forums.macrumors.com/thread...lth-82-after-96-cycles.2195451/#post-27669068

Sorry, I didn't see this address..
Thank you

 

[collin_]

Sorry, I didn't see this address..
Thank you

No worries. When the battery gets really bad you can always get a replacement for $200. My old MBP's battery lasted about 4 years before the health dropped below 80%, at which point I had it replaced. A lot less expensive than buying a whole new computer.

 

[CheesePuff]

I also have a 2017 15" model with 32 cycles and 94% design capacity, compare that to my 2015 15" with 200 cycles and 98% capacity.