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Is it bad to keep a laptop plugged in?

Author : ari

Submitted : 2017-10-20 22:37:54    Popularity:     

Tags: bad  laptop  plugged  

Is it best to run on battery as often as possible then let it drain to about 40 percent then charge back up to the 90 percent range?

Answers:

Know the longer you keep a laptop plugged in the longer your battery is going to last this is the age of the lithium-ion battery not of nickel cadmium batteries nickel cadmium batteries were best to be discharged each and every time now leaving your laptop plugged in preserves the battery life instead of destroying it

No.After reaching the value to 100% the laptop automatically turns off the battery power and start using charger supply. Its a good habit to plug in the charger all time if available

Somewhat it varies from manufacturer brand. The best thing to do is to take off the battery and use the laptop with the power cord, and only use the battery when you really need to like a (trip, camping, sleep over, work, travel etc)

Yes they do lose their charging capability. I've had it happen on many HP laptops. I've switched to Toshiba and so far so good.

Yes it is very bad, it can drastically reduce the life of the batteries.

I have no idea why everyone suddenly thinks its a good idea, but some place is spreading nonsense.

Take them off charge when full or near full and run down to near empty; working in 80% to 20% range is around ideal but as long as they are used, anything is better than permanent on-charge.

These are the facts:
http://batteryuniversity.com/learn/artic...

Note specifically Table 3 in that - life vs charge and temperature.
Full charge in a hot environment means 60% capacity loss in just three months....

Charging while the machine is off is fine and the battery is not being heated externally and everything drops to room temperature as soon as it's fully charged - so leaving on change overnight to use the next day is not really a problem.

Running continuously on external power definitely is!


If anyone does not believe that, look up each cell manufacturers cell data and see for yourself.

No, it's a bad idea not to keep a laptop plugged in most of the time. The same goes for cellphone batteries. That's because they are Li-Ion batteries, and they prefer to be somewhere between 80% to 100% fully charged most of the time. The old Ni-Cad rechargeable batteries required to be discharged completely before recharging.

No idea.
Try it and see...

I have my laptop plugged in almost all the time (except when I need to take it to a client), When I do use it on battery, I get 94& of the rated maximum value. The laptop is slightly over 4 years old.

Yes and no .. It adds to your electrical bill, but you'll be sure to have a good battery level if needing to take it with you.

I would not keep it continually plugged in forever. Potential power surges. And it does add about 70 dollars a year to your electric bill, I read last year.

No. Laptop batteries die quickly (they'll become less effecient the more you use them). Always use cable when you can.



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