Refurbished ; Fits MacBook(R) & 13" MacBook Pro(R); Magnetic DC connector; LED indicator light changes from amber to green when device is fully charged; Powers Li-Ion battery while off, on or in sleep mode & powers system without operating the battery; Meticulously inspected & tested by Mac(R) Warehouse Apple(R)-Certified Technical Team--officially Certified Preloved(TM); 90-day warranty from Mac(R) Warehouse;