M916K - 14.8V 8-Cell Lithium-Ion Replacement Battery for Studio 1440, 1440n, 1440z, 14z, 14zn Retail $104.43
K903K - 14.8V 8-Cell Lithium-Ion Replacement Battery for Studio 1440, 1440n, 1440z, 14z, 14zn Retail $104.43
N672K - 14.8V 8-Cell Lithium-Ion Replacement Battery for Studio 1440, 1440n, 1440z, 14z, 14zn Retail $104.43
1440/14Z/BATT - 8-Cells 14.8V Lithium-Ion Rechargeable OEM Replacement Battery Sale $79.00 Retail $116.13