This Portege 300 4.0 CT laptop battery is also compatible with the following models:
• TOSHIBA
Portege 300/4.0 CT
Portege 300C DS
Portege 300CT
Portege 305CT
Portege 310CT
Portege 315CT
Portege 320CT
Portege 325CT
Portege 330CT
Portege 335CT