Durable mid sized laptop with long battery life

1. What is your budget?
$800

2. What is the size of the notebook that you are considering?
13-15

3. What screen resolution do you want?
1920x1080p IPS preferably

4. Do you need a portable or desktop replacement laptop?
portable

5. How much battery life do you need?
as much as possible

6. Do you want to play games with your laptop? If so then please list the games that you want to with the settings that you want for these games. (Low,Medium or High)?
I will not be playing any games

7. What other tasks do you want to do with your laptop? (Photo/Video editing, Etc.)
Microsoft office suite, internet browsing

8. How much storage (Hard Drive capacity) do you need?
I don't need much

9. If you are considering specific sites to buy from, please post their links.
Any store, nowhere particular

10. How long do you want to keep your laptop?
3-4 years

11. What kind of Optical drive do you need? DVD ROM/Writer,Bluray ROM/Writer,Etc ?
not necessary

12. Please tell us about the brands that you prefer to buy from them and the brands that you don't like and explain the reasons.
Any brand as long as its durable.

13. What country do you live in?
US

14. Please tell us any additional information if needed.
I am looking for a highly portable, durable laptop that has a long battery life.