Superb Choice New Laptop Replacement Battery for HP Pavilion DV7 series DV7 DV7T DV7Z DV7T-1000 DV7Z-1000 DV7-1000 DV7-1001 DV7-1002 DV7-1003 DV7-1020 DV7-1130 DV7-1134 DV7-1137 DV7-1150 DV7-1170 HDX18 series HDX18T-1000 HDX18-1020 Replacement for HSTNN-IB75 HSTNN-C50C HSTNN-Q35C 464059-121 , 8 Cells