Two cylindrical cells shrink-wrapped side by side with two wires and three pin connector. 2.4 Volt NiMH Battery. Fits models; Toshiba Libretto 100CT, Toshiba Libretto 110CT, Toshiba Libretto 20CT, Toshiba Libretto 30CT, Toshiba Libretto 50CT, Toshiba Libretto 60CT, Toshiba Libretto 70CT, Toshiba Libretto 75CT, Toshiba Satellite 1500 series, Toshiba Satellite 1555