Ships from and sold by [Battery-king]. 7.20V,6600mAh,Li-ion,Hi-quality Replacement Laptop Battery for HP TouchSmart tx2, tx2-1300et, tx2z-1000 CTO, HP Pavilion tx Series, HP TouchSmart tx2-1000, tx2-1100, tx2-1200 Series, Compatible Part Numbers: 431132-002, 431325-321, 437403-321, 437403-361, 437403-362, 437403-541, 441131-001, 441131-003, 441132-001, 441132-003, HSTNN-OB37, HSTNN-OB38, HSTNN-OB41, HSTNN-UB37, HSTNN-UB41, HSTNN-XB37, RQ203AA, RQ204AA Voltage: 7.20V ///Capacity: 6600mAh Battery Type: Li-ion///Color: Black Dimension: 171.00 x 70.00 x 21.00 mm///Weight: 411.07 g Product Type: Replacement Battery (Brand New) Condition: New, 1 year warranty!