You are buying:

Apple MacBook Pro A1278 i5-2.4GHz 4GB MEM 500GB HDD

Drive wiped and OS Reinstalled. Battery holds a charge but I do not know for how long. No Further Testing has been done.  Normal wear. Scratch and scuff on lid and bottom.  

See Pics. 

Due to limited testing this item is being sold AS-IS... No ac adapter is Included.

Thank you.

Have a great day!