In order for you to know what to expect from a Refurb® product, A, B, and C gradings are used.
Grade A
Refurb® items in very good condition, where small scratches may occur. You are guaranteed a battery with at least 70% of the original capacity.
Grade B
Refurb® items in good condition, where more obvious signs of wear than Grade A occur. You are guaranteed a battery with at least 50% of the original capacity.
Grade C
Refurb® items in less good condition, where significant signs of wear cannot be avoided. You are guaranteed a battery with at least 30% of the original capacity.