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4 Posts

12-19-2020

Pakistan

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Lenovo C940 Battery Conservation Mode

2020-12-19, 15:07 PM

My laptop is plugged in but not charging due to battery conservation mode. If I keep my laptop plugged in with battery conservation mode turned on, will it damage the battery?

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3483 Posts

12-13-2016

United States of America

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Re:Lenovo C940 Battery Conservation Mode

2020-12-19, 15:39 PM

Welcome to the Community

 

Conservation Mode won't damage the battery. It's far better to keep the battery at a half charge if you're going to leave the laptop plugged in most of the time. If anything, it's a better choice than leaving it at 100% in terms of battery life. My wife has a Dell without this feature and she leaves it plugged in most of the time. Within a couple of years, the battery life falls to about 10% of what it was. Over the life of the laptop, we've replaced the battery 4 times.  OTOH, my Yoga 910, which stays plugged in most of the time in Conservation Mode is going on four years, now, and has only lost about 10% of its capacity, which I find remarkable. I was able to get 6-7 hours out of it when I bought it. Now, it's 4-6. 

 

A lot also depends on the frequency of use. If you use it daily and leave it plugged in, Conservation Mode is the way to go. If you only fire it up once in a while, it's probably better to just work off the battery until it gets down around 20%. 

 

Doc


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