Custom Laptop Battery

[GoodaBrine XD]

Hi, I have an Asus s550c. It's has alright specs and it suits my needs. Problem is the battery. It last me less than two hours. It has 2950mah battery and that isn't really good as I need it for school. Is there any shops or ways I can buy or improve the battery?

 

[marksavio]

well i can only find this for you
https://www.newegg.com/Product/Product.aspx?Item=16J-002H-0STB8

 

[GoodaBrine XD]

well i can only find this for you
https://www.newegg.com/Product/Product.aspx?Item=16J-002H-0STB8

Sorry, not what I was looking for.