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PAVILION dv3-1000 Series dv3-1001TX dv3-1051xx dv3-1073cl dv3-1075ca dv3-1075us dv3-1077ca dv3z-1000 / PART: 500028-141 500028-142 500029-142 506237-001 HSTNN-DB82 HSTNN-IB81 HSTNN-IB82 HSTNN-IB83 NB801AA