my MacBook pro 13 inch light for charging is green but won't change to orange and bat

[Sukanmi]

my MacBook pro 13 inch light for charging is green but won't change to orange and batteries completely dead. Why is this?

 

[GGJstudios]

my MacBook pro 13 inch light for charging is green but won't change to orange and batteries completely dead. Why is this?

See the link for troubleshooting MagSafe adapters at the bottom of the CHARGING section of the following link.

Also, use iStat Pro to get accurate readings of your battery condition.

This should answer most, if not all, of your battery questions:

Apple Notebook Battery FAQ​