Should I Keep My Macbook Plugged In
It is believed that keeping your MacBook plugged in all the time will overwork the battery and eventually cause it to die prematurely. It may not be completely true but constant charging does affect the overall lifespan of the battery. It may not get overcharged but will affect the battery to some extent.
The battery is damaged or is simply too old to provide sufficient juice to keep the MacBook running. That is why it is best to avoid leaving the MacBooks battery plugged in at all times. The reduction means that if you leave your MacBook connected to the charger all of the time, you may find that when you decide to actually use the MacBook without its battery, it does not last as long as it used to.
Since each battery loses some charge as the years pass, you may be having some trouble deciding whether keeping the MacBook plugged in all the time is contributing in some way. When you keep your MacBook plugged in all the time, the battery naturally gets worse, since your MacBook overheats more quickly and takes more wear and tear when it is charged all the way. Fortunately, you cannot overcharge the battery of a MacBook by leaving it plugged in all the time, and you also cannot overload or damage any other components.
If you read this post, you will know that leaving your MacBook plugged in all the time will harm your battery. It is entirely possible you could be decreasing your batterys maximum charging capacity by keeping the MacBooks battery connected to it at all times. Leaving anything on your battery The battery being constantly plugged in may result in the charge being above the maximum, though you will not know it by looking at your battery life indicator alone. Once the battery is charged up to full, it simply stops charging, so keeping the laptop plugged in does not really do anything for the battery.
It also features Sail mode (sets the range of sails in which the battery will remain) and heat protection (charging will stop automatically if the battery gets too hot), so you can keep your battery healthier for longer. This second one also lets me know what are my power-hungry apps, and it gives me a nice notification when my battery temperature is over or under a certain limit, as well as an alert about how long until I have full battery. Apples Battery Optimization feature will learn when you disconnect the MacBook and time your charging cycle so that you leave it at 80 percent until you need to get it up to 100 percent.
In other words, you do not want to keep your MacBook at 100% too long, but Apples Optimize Battery Charging feature may be just that. It can be a good idea to allow your MacBook to partially cycle its battery every now and then. Knowing that charging another device is going to cause it to run down the battery more quickly than it normally would, allowing it to go through the number of cycles more quickly than it normally would. The problem is, once it is at 100% capacity, the MacBook is not really using its battery.
Lithium-ion batteries, such as those found in your MacBook, do not like to sit around with no charge at all for a very long time. Fortunately, Apple makes charging the battery less of an issue, if at all possible, suggesting that you recharge your battery anytime you like, since Lithium-ion batteries operate on charging cycles. Factors such as charging cycles and heat degrade batteries, and leaving a Mac connected to and charging at 100% all of the time could lead to a lower charging capacity in the long run, or to an over-swollen battery.
If you have damage to the battery, indicated by extreme heat or swelling, leaving your MacBook Pro plugged in at night is not a great idea. If your MacBook is brand new, there is a chance the battery is faulty from the beginning and will not retain a charge. If the battery is indeed dead, you may want to install the recommended replacement which will fit the laptop.
If the MacBook is not charging anymore, your battery may have been damaged beyond repair. To prevent this from happening, do not let your MacBook sit at 0% battery for a very long time. If you charge the laptop overnight, then you go to work every morning at 8am, then the MacBook is going to be waiting for that last 20% charge to recharge.
Then, you may use your MacBook for another couple days, using 25 percent of the battery every day (again, charging the MacBook overnight). You could use 50 percent of the full capacity of its battery for one day, then recharge the MacBook overnight. Partial charging and discharging counts, so if you used 25% of your battery today, 75 percent of it tomorrow, and then charged to 100%, you have done one cycle over the course of two days.
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Your MacBook learns this habit, and will delay charging your battery past 80 % until the last few hours of the morning, so that your battery cells have a shorter amount of time to reach 100 percent. In fact, just about everything you plug into your MacBook increases your batterys load, thus reducing battery life. Charging the battery at higher levels may result in your battery ageing more quickly, thus decreasing its health (unless you are charging the Mac first). The only exception to this is if you begin to notice your MacBooks battery swelling, a serious issue that could result in damage (tell Apple right away if you notice swelling).
| Battery Cycle | |
| Want a battery to last 5 years | 200 Cycles |
| Maximum | 1000 Cycles |
| Minimum | 300 Cycles |
Diminished means the amount of juice, or the amount of time, that your battery can provide your MacBook before it gets to empty and needs recharging, may have been reduced compared to what was possible when the components were new. This could be a helpful way to prevent the battery becoming damaged if you keep your MacBook connected to the power supply for extended periods on a regular basis. You might want to keep the battery juice available for times when the electricity is out in your house itself.
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With this, you can use the Apple Notebook freely as long as it is charging, since it does not reduce your Notebooks battery life. Leaving your notebook connected constantly is not harmful for the battery, but you will have to watch out for other factors like heat in order to keep the battery from getting damaged. While leaving your laptop plugged in continuously is not harmful for its health, excessive heat can certainly harm a battery over time. You can minimize cycles by keeping MacBook plugged in, letting battery management tech do its work.
Will overcharging shorten battery life MacBook?
The internal circuit of lithium-ion batteries, fortunately, prevents the battery from being charged above 100%. The possibility that the laptop’s charging system could malfunction and lead to the battery overcharging is extremely remote, so I wouldn’t worry about it.
Is it OK to leave MacBook Air plugged in all the time?
No, leaving a MacBook Air 13″ (or any other Mac) plugged in all night is not terrible. In actuality, it benefits from it. Your MacBook Air manages your battery for you. The battery can therefore never be overcharged or undercharged, which eliminates all worry.
How often should I unplug my MacBook?
Once your battery is fully charged, the charging will cease. Apple’s latest batteries are far more intelligent than earlier models. Follow Apple’s recommendations for notebook batteries to get the most use out of your MacBook Pro’s battery: disconnect it once a month, use it completely, then recharge it to full capacity.