Brand New Laptop Battery for HP EliteBook 8730w 8730p 8530p 8530w 8540w Series / ProBook 6545b - fits P/N 458274-421 / 484788-001 / 493976-001 / 501114-001 / HSTNN-LB60 / HSTNN-OB60 / HSTNN-XB60 / KU533AA - 5200mAh 77Wh 14.8V 8-Cell - 12 Months Warranty