Acumulator compatibil cu urmatoarele modele laptop HP 520 Business Notebook 500 SE Business Notebook 500 series Business Notebook 520 SE Business Notebook 520 series Acumulator compatibil cu urmatoarele modele baterii HP 434045-141 434045-621 434045-661 438134-001 438518-001 HSTNN-C29C HSTNN-FB39 HSTNN-IB39 HSTNN-IB44