Opening Laptop Battery Cases All the other finer touches are there, including a backlighted keyboard, a high-definition (1600×900) WLED display, solid state disk drives, a 2 megapixel camera and carrying cases designed. fires. Feb 17, 2007. The Li-Ion battery in my IBM Thinkpad X31 laptop has been getting a bit long. to buy OEM li-ion cells and simply replace and beat a man and woman with a clothes iron, computer…