Listed for parts for the following reasons so please read this section before purchase. Holds a charge and works to some degree though I have only tested it for about 5 minutes of play time so I don't know how long the batteries will hold up. Also the tabs that hold it to the back of the gameboy are broken but it still stays in place pretty well. Comes with the power adapter shown that chargers it pretty well. Please see photos and do not expect perfect condition.