Dell laptop is brand bur battary backup is not more than 5hrs. and battarry is week am not like a battary but laptop workking is very good. Hard disk is 500gb. and graffics memory 2gb slot. Proccesor is intel core I 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . Mm. . . . . . . . . . . . . . . . . bY