This high quality Total Micro 3-Cell 57WHr 11.4V battery meets or exceeds OEM specs and is for the Dell Latitude 7340, 7340 2-in-1, 7440, 7440 2-in-1, 7640, 7640 2-in-1. One year limited warranty. Eqv WW8N8, 047T0; V0W55