OMCreate Battery for HP EliteBook 8530P 8540P 8530W 8540W 8730W 8740W / HP ProBook 6545B, fits P/N KU533AA 493976-001 - 12 Months Warranty [Li-ion 8-Cell] Compatible part number: 458274-421 / 484788-001 / 493976-001 / 501114-001 / HSTNN-LB60 / HSTNN-OB60 / HSTNN-XB60 / KU533AA Compatible Models: HP EliteBook 8730w 8730p 8530p 8530w 8540w Series ; HP ProBook 6545b Battery type: Li-ion; Voltage: 14.8V; Cells: 8-cell Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. 12-months hassle-free warranty service. Please check if this battery is compatible with your computer before purchasing. Part numbers of compatible batteries and Computers are listed as following.