battery care function dell

Hi i am not able to enable battery care function in my sony vaio laptop model no: vpcz11dgx. pls help how to enable.. I have dell inspiron n5050, i am very concern about its battery life, can any body please tell me how to take care of the battery to increase its battery life.. Sony vaio battery care function utility is a sony vaio utility which helps improve battery performance by limiting maximum capacity to 80% of the full capacity..

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External laptop battery charger for dell latitude d410 w6617 y5179

Q how long does a dell laptop battery last? q how long am i able to use my dell laptop on a fully charged battery? q should i completely discharge my battery before i. Offers subject to change, not combinable with all other offers. taxes, shipping, handling and other fees apply. u.s. dell home new purchases only.. Battery care function (80%) battery life will be about 20% shorter than a fully charged battery. however, this mode slows battery degradation and is effective if you.