MS06 MS06XL, HSTNN-LB0X, HSTNN-IB0X, HSTNN-DB0X, 593858-001, 481087-001 451714-001. EliteBook: 8440p, 8440w, 8540p, 8540w. ProBook: 6440b, 6445b, 6450b, 6540b, 6545b, 6550b. Genuine HP Laptop Battery – Fully Tested – Select Health Level Above.
eBay