New 100% OEM Compatible Li-Ion Rechargeable Battery Pack. A-Grade Battery Cell. This battery works wonderfully with, but not limited to the fillowing HP notebook models:

Pavilion tx1000 Series

Pavilion tx1000Z

Pavilion tx1001AU

Pavilion tx1001XX

Pavilion tx1002AU

Pavilion tx1002XX

Pavilion tx1003AU

Pavilion tx1004AU

Pavilion tx1005AU

Pavilion tx1006AU

Pavilion tx1007AU

Pavilion tx1008AU

Pavilion tx1009AU

Pavilion tx1010AU

Pavilion tx1011AU

Pavilion tx1012AU

Pavilion tx1013AU

Pavilion tx1014AU

Pavilion tx1015AU

Pavilion tx1016AU

Pavilion tx1017AU

Pavilion tx1020AU

Pavilion tx1020EA

Pavilion tx1021AU

Pavilion tx1030EA

Pavilion tx1030LA

Pavilion tx1040EA

Pavilion tx1070br

Pavilion tx1080EA

Pavilion tx1100 Series

Pavilion tx1101AU

Pavilion tx1102AU

Pavilion tx1103AU

Pavilion tx1104AU

Pavilion tx1105AU

Pavilion tx1106AU

Pavilion tx1107AU

Pavilion tx1110CA

Pavilion tx1110US

Pavilion tx1113CL

Best replacement for the following OEM battery part numbers:

431325-321, 431325321, 437403-321, 437403321, 441131-001, 441131001, HSTNN-OB37, HSTNNOB37, HSTNN-OB38, HSTNNOB38, HSTNN-OB41, HSTNNOB41, HSTNN-UB37, HSTNNUB37, HSTNN-UB41, HSTNNUB41, RQ203AA, RQ204AA.