Compatible replacement battery for HP Elitebook (only certain models). Please check your original battery model # and make sure it is listed as a compatible replacement. Replacement for the follwing battery Model Numbers: 458274-421 484788-001 493976-001 501114-001 HSTNN-LB60 HSTNN-OB60 HSTNN-XB60 KU533AA Fit Machine Models EliteBook 8530p EliteBook 8530w EliteBook 8540p EliteBook 8540w EliteBook 8730p EliteBook 8730w EliteBook 8740w ProBook 6545b