A great replacement battery for your laptop. Have a little hump which lifts up the back of your computer which elevates your keyboard to a nice angle for typing. Can run about 7.5 hrs of a full battery with WIFI off. Edit: 3rd Jan 2014 After 3 months the battery is now not charging and i am stuck as I am in Africa. The reason fr purchasing this battery was its longtime usage. Now after 3 months... its non. Save your money and buy something else.