Replacement Hp 859027-421 HSTNN-LB7M TPN-W123 DR02XL  laptop battery -  -  - Colour: Black, Type: Li-ion, Voltage:  7.7V, Capacity:  43.7Wh, Warranty: 1 Year, Compatible P/N:859027-121, DR02XL, DR02043XL, HSTNN-IB7M, TPN-W123,