This is an 80Whr 9-Cell Lithium-Ion Battery for Dell Notebooks. Compatible Notebook Models: Dell Latitude Z Dell Part Numbers: Y596M, 312-0928, 312-0929, C931N, D837N, D839N, H018N, H028N, P01L001, X645M, X741M, Y595M Product Specifications: Rating: 14.8V Capacity: 80Whr Color: Black Technology: Li-Ion Condition: Brand New In Stock: Yes