http://www.digginter.com/Clothing_Shoes/dell-studio-1535-laptop-batteries/ All of us want to prolong our Dell laptop battery's life. What should we do to prolong the laptop battery's life? here is some brief guide to extend your li-ion Dell studio 1535 battery's life.. You must initially give the battery a 12-14 hour charge on the proper charger.Try to use the home charger more often than the cigarette lighter charger. Not in the high temperature environment... Wed, 08 Sep 2010 22:11:17 CDT en