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Lenovo Battery Question
I just bought a Lenovo Ideapad Z570. It has two options for the battery charging. One is it charges the battery 100%. The other it only charges 50% and supposedly if you don't use your battery very often, it will extend the life of it. I don't use the battery very often, but would like to keep it charged 100% in case I need to use it. I would like to get an idea if the 50% option really saves that much on the battery. Any help is appreciated. Thanks,