ATC 7800mah 12 cell Extended Replacement for HP Pavilion dv7-1018eg dv7-1018tx dv7-1019tx dv7-1020ea dv7-1020eg dv7-1020el dv7-1020es dv7-1020tx dv7-1020us dv7-1021tx dv7-1022tx dv7-1023cl dv7-1023em dv7-1023tx dv7-1024tx dv7-1025eg Laptop Battery Compatible Part Number:464059-121,464059-141,HSTNN-C50C,HSTNN-DB75,HSTNN-IB75,HSTNN-Q35C,KS525AA laptop battery