Clock Battery 15 mAh for Toshiba Libretto 50, 50CT,Toshiba Libretto 60, 60CT,Toshiba Libretto 70, 70CT,Toshiba Libretto 75, 75CT,Toshiba Portege 3010CT, 3015CT,Toshiba Portege 3020CT, 3025CT,Toshiba Satellite 4600