Tested, Graded and Charged Grade C (61%) - See Grading Below

All our Batteries go through a full testing and analysis process

Please make sure that your laptop is compatible with this battery pack prior to purchase.

Replaces the following part numbers:
C31-X502, C21-X502

Compatible with the following models:
Asus X502 X502C X502CA Series
Asus S500 S500C S500CA Series
Asus PU500C PU500CA Series
Asus V500C Series

Grades
A Grade battery meaning it has greater than 90% of its original design capacity remaining.
B Grade battery meaning it has between 75% and 90% of its original design capacity remaining.
C Grade battery meaning it has between 50% and 75% of its original design capacity remaining
D Grade battery meaning it has between 30% and 50% of its original design capacity remaining