This  battery is compatible with following part numbers:

for HP

462889-121 462889-141 462889-421 462890-151 462890-161 462890-251 462890-541 462890-542 462890-751 462890-761 462891-141

462891-162 482186-003 484170-001 484170-002 484171-001 484172-001 485041-001 485041-002 485041-003 487296-001 487354-001

497694-001 497694-002 497695-001 498482-001 513775-001 516915-001 EV06055 HSTNN-C51C HSTNN-CB72 HSTNN-CB73 HSTNN-DB72

HSTNN-DB73 HSTNN-IB72 HSTNN-IB73 HSTNN-IB79 HSTNN-LB72 HSTNN-LB73 HSTNN-Q34C HSTNN-UB72 HSTNN-UB73 HSTNN-W48C HSTNN-W49C

HSTNN-W50C HSTNN-XB72 HSTNN-XB73 HSTNN-XB79 KS524AA KS526AA KS527AA

This  battery is compatible with following models:

for COMPAQ

Presario CQ40 Series	Presario CQ60-300 Series
Presario CQ41-100 Series	Presario CQ61-400 Series
Presario CQ41-200 Series	Presario CQ61 Series
Presario CQ45 Series	Presario CQ71 Series
Presario CQ50 Series

for HP

G50	Pavilion dv5/CT
G50-100	Pavilion dv5t
G61	Pavilion dv5t-1000
G61-401SA	Pavilion dv5z
G61-406SA	Pavilion dv5z-1000
G61-410SA	Pavilion dv6
G61-415SA	Pavilion dv6-1000
G61-420EA	Pavilion dv6-1100 Series
G61-429SA	Pavilion dv6-1200
G61-440EA	Pavilion dv6-1300
G71 Series	Pavilion dv6-1400
HDX X16-1000 Series	Pavilion dv6-200
HDX X16-1100 Series	Pavilion dv6-2000
HDX X16-1200 Series	Pavilion dv6-2100
HDX16 Series	Pavilion dv6t
Pavilion dv4 Series	Pavilion dv6t-1000
Pavilion dv4-1000 Series	Pavilion dv6t-1100
Pavilion dv4-1100	Pavilion dv6t-2000
Pavilion dv4-1100 Series	Pavilion dv6z
Pavilion dv4-1200 Series	Pavilion dv6z-1000
Pavilion dv5 Series	Pavilion dv6z-2000
Pavilion dv5-1000 Series	Pavilion G60-230US
Pavilion dv5-1100 Series	Pavilion G70-250us

for HP COMPAQ

Pavilion dv3500 Series	Pavilion dv6-1000 Series
Pavilion dv4	Pavilion G50-100 Series
Pavilion dv4-1000	Pavilion G60 Series
Pavilion dv5-1000 series	Pavilion G60-100 Series
Pavilion dv5-1100	Pavilion G70 Series
Pavilion dv5/CT	Pavilion G70-100 Series
Pavilion dv5t	Pavilion HDX X16-1000 Series
Pavilion dv5t-1000	Pavilion HDX16t
Pavilion dv5z	Presario CQ50-100
Pavilion dv5z-1000	Presario G50 Series
Pavilion dv6 Series	Presario HDX16 Series
Pavilion dv6t-1000