Grade A computers are very good condition with little or no cosmetic damage and fully tested.
Grade B may have some minor dents or scuffs on the screen but are functional and fully tested.
Grade C has significant cosmetic damage but is functional and fully tested.
All computers are refurbished by Santa Cruz Tech Exchange and come with charger. All computers come with a 90 day warranty which can be extended an additional 6 months for $30, at checkout.