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22 Posts

01-29-2020

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does using rapid charge damage battery

2020-09-05, 7:24 AM

i want to know whether using rapid charge damage the life of my battery

i am using legion y540 

i7 9750H version.

 

does this reduce long term life of the battery.

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5118 Posts

12-22-2008

Canada

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Re:does using rapid charge damage battery

2020-09-05, 11:23 AM

Generally no.

 

What does damage your battery is recharging beyond 70-80% or letting the charge drop below about 15%. To maximize battery life, especially on systems that spend most of the time on AC power, use Lenovo Vantage to set battery management to Conservation Mode. This limits recharging to ~65%.



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5118 Posts

12-22-2008

Canada

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  • Message 2 of 5

Re:does using rapid charge damage battery

2020-09-05, 11:23 AM

Generally no.

 

What does damage your battery is recharging beyond 70-80% or letting the charge drop below about 15%. To maximize battery life, especially on systems that spend most of the time on AC power, use Lenovo Vantage to set battery management to Conservation Mode. This limits recharging to ~65%.



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Please do not send me PMs. Ask your question on this forum so that everyone can respond or learn.

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5118 Posts

12-22-2008

Canada

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  • Message 3 of 5

Re:does using rapid charge damage battery

2020-09-05, 12:59 PM

Some more info on recharging Li-Ion batteries in the NY Times: Is Charging Your Phone All Day Really That Bad?

 

This doesn't deal with rapid charging specifically but most phones today use some form of rapid charging. 

 

Also the general conclusion is that "babying" your battery using recharge thresholds doesn't make a lot of difference. That hasn't been my experience in the past with older systems. Perhaps Li-Ion technology has improved in the latest generation of devices.



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71 Posts

08-31-2020

United States of America

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Re:does using rapid charge damage battery

2020-09-06, 0:19 AM

I'm so surprised nobody talks more about conservation mode. It's a great feature!

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71 Posts

08-31-2020

United States of America

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  • Posts: 71
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  • Message 5 of 5

Re:does using rapid charge damage battery

2020-09-06, 0:21 AM

What hurts Lion batteries is heat and being fully charged or completely under charged.  Keeping these batteries fully charged is the number one cause of the short life span.

 

Rapid charging may introduce a slight bit more heat, but I don't you will notice a hit unless you use it everytime you charge.

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