This high quality Total Micro 65W AC Adapter carries a Lifetime Limited Warranty and is for Dell Latitude 5480, 5580, 7280, 7480, E6440, E6450, E5540, E5550, E6440, E6540, E7270, E7440, E7450, Chromebook 3120, 3180, 3189. Meets or exceeds OEM specs