The 332-1831 Dell 3 Prong AC Adapter has a powerful efficiency set at 65 watts, designed to work seamlessly with Dell laptops. The compact design of this 3 Prong Adapter ensures it-s easy for users to carry it anywhere. Aside from its 3 prong design and provided power cord, this adaptor busted technology ensures safety against overvoltage and overcurrent. Everything put together delivers adequate charging solutions for on-the-go Dell users.