This battery is compatible with following part numbers:    
for COMPAQ
        
436281-241
 452057-001 462337-001 HSTNN-DB42 HSTNN-LB42
for HP
        
411462-141
 432306-001 441425-001 460143-001 HSTNN-OB31
411462-261 432307-001 441462-251 462853-001 HSTNN-OB42
411462-321 436281-141 441611-001 HSTNN-C17C HSTNN-Q21C
411462-442 436281-251 446506-001 HSTNN-DB31 HSTNN-Q33C
411463-141 436281-361 446507-001 HSTNN-DB46 HSTNN-W20C
411463-161 436281-422 454931-001 HSTNN-IB31 HSTNN-W34C
411464-141 440772-001 455804-001 HSTNN-IB32 NBP6A48A1
417067-001 441243-141 455806-001 HSTNN-IB42  
for HP COMPAQ
        
411462-421
 417066-001 EV089AA EX941AA HSTNN-LB31
411463-251 EV088AA EX940AA HSTNN-DB32
This battery is compatible with following models:
    
for COMPAQ
        
for Presario V3906TX for Presario V3500 Series for Presario A900 Series for Presario V3000 Series  
for Presario V6400 for Presario V6100 Series for Presario C700 Series for Presario V3100 Series  
for Presario V6600 for Presario V6200 Series for Presario F500 Series for Presario V3600 Series  
for Presario V6700 for Presario V6300 Series for Presario F700 Series for Presario V6000 Series  
for Presario V6500 Series        
for HP
        
6000XX G6000 Series for Pavilion dv2500 Series for Pavilion dv6300 Series  
for Pavilion dv6400 G7000 Series for Pavilion dv2600 Series for Pavilion dv6500 Series  
for Pavilion dv6800 for Pavilion dv2000 Series for Pavilion dv2700 Series for Pavilion dv6600 Series  
for Pavilion dv6900 for Pavilion dv2100 Series for Pavilion dv2800 Series for Pavilion dv6700 Series  
for Pavilion dv9800 for Pavilion dv2200 Series for Pavilion dv6000 Series for Pavilion dx6600 Series  
for Pavilion dx6000 for Pavilion dv2300 Series for Pavilion dv6100 Series    
for Pavilion dx6500 for Pavilion dv2400 Series for Pavilion dv6200 Series