If you are looking to get a new ASUS UL30A, you might want to learn that there’s 2 different models, one with a 4,400 mA battery and the other, with 5,400 mA battery. These two batteries are identical, both 8-cell batteries but the 5,400 mA battery is rated for 16 hours while the other is at 12 hours.
If you look carefully on Amazon’s site, you will find that
