This Laptop Battery can replace the following part number:
HP:
843538-541, 844204-850, 844204-855,
HSTNN-UB6X, TPN-W119, TPN-W120,
MB04055XL, MB04XL, MBO4XL,
This Laptop Battery is also compatible with the following models:
HP:
Envy M6-AQ005DX Notebook,
Envy M6-AQ005DX Notebook,
Envy X360 M6-AR004DX,
Envy X360 M6-AQ005DX,
Envy X360 M6-AQ003dx Notebook