New 11.1V 53Wh HSTNN-Q42C HSTNN-IB01 NK06 Battery for HP Envy 15t 570421-171 582216-171 576833-001 Envy 15 15-1000 15-1100 15t-1000 Condition: New Voltage: 11.1V Capacity: 53Wh Warranty: 12 months long Battery type: Li-ion Replace Part Number: HSTNN-Q42C, HSTNN-IB01, NK06, 570421-171, 582216-171, 576833-001