Replacement laptop battery for TX1000 TX2000 battery 1.brand new 2 ... 4.12 months warranty Replacement laptop battery for TX1000 TX2000 battery Replacement Part Number 431325-321, 441131 ... , HSTNN-XB76, RQ203AA, RQ204AA Fit Laptop ModelsPavilion tx1000 SeriesPavilion tx1000ZPavilion tx1001AUPavilion tx1001XXPavilion tx1002AUPavilion tx1002XXPavilion tx1003AUPavilion tx1004AUPavilion tx1005AUPavilion ...