BeOne&reg;Replacement Laptop Battery for Hp EliteBook 6930p 8440p 8440w ProBook 6440b 6445b Compaqb Business Notebook 6530b 6535b Fits P/N:458640-542 482962-001 484786-001 HSTNN-UB68 HSTNN-UB69 [Li-ion 6-cell 5200mAh/56WH]