Laptop Replacement Battery for select HP Pavilion model Laptops / Notebooks / Compatible with HP TX1000, 431132-002, 431325-321, 437403-321, 437403-361, 437403-362, 437403-541, 441131-001, 441132-001, HSTNN-OB37, HSTNN-OB38, HSTNN-OB41, HSTNN-UB37, HSTNN-UB41, HSTNN-XB37, RQ203AA, RQ204AA, Pavilion Series: TX1000, TX1100, TX2500, TX2000, TX1300, TX1200, TX2600, TX2100, TX1400, TouchSmart Series: tx2, tx2-1000, tx2-1100 ( 8 Cells, 8800 Mah ) - Includes Soft Nonporous Microfiber Cleaning Cloth