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What are some good practices for making sure my laptop battery serves its full life?

I bought a new battery for my Lenovo the other day, and want to take better care of it than the last one.

So, what is the best practices for taking care of it?

Should I only fully charge and fully drain the battery every time?

If I won't use the battery for a while, should I keep it fully charged?

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marked as duplicate by Mehper C. Palavuzlar, RedGrittyBrick, slhck, Daniel Andersson, Doug Harris Jun 1 '12 at 13:08

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If I won't use the battery for a while, should I keep it fully charged?

Store it at 40% charge, cycle it on a monthly basis

So, what is the best practices for taking care of it?

When you are using it, if backup time is not critical, set it to start charging at 40% and stop at 80%

Should I only fully charge and fully drain the battery every time?

NO, thats a recipe for killing the battery

Sample settings from my Lenovo enter image description here

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Thanks. How can set it to start charging at 40% and stop at 80%? –  Anders Jun 1 '12 at 8:05
    
@Anders Updated answer with screenshot. Go to Power manager->Battery->Battery maintenance –  Akash Jun 1 '12 at 8:06
    
I have to install that Lenovo software, just reinstalled Windows and don't use all of the Lenovo software. Is it possible to do it without the tool? –  Anders Jun 1 '12 at 8:07
    
@Anders go to support.lenovo.com/en_US/detail.page?LegacyDocID=TVSU-UPDATE And Download the application. Use it to install all the utilities you want –  Akash Jun 1 '12 at 8:09
    
I dont know of a way to do it without the utility –  Akash Jun 1 '12 at 8:10
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