Dell LA65NS2-01 is a 65W (19.5V, 3.34A)
Key Compatibility Details:Voltage/Amperage: 19.5V \(3.34A\) (65W).
Connector Type: 7.4mm x 5.0mm barrel connector (often referred to as standard "big pin" Dell connector).
Compatible Dell Series: Latitude E-series (E5400, E5500, E6400, E7240, E7440, etc.), Inspiron 14/15/17 (5000/7000 series), Vostro, and Chromebook 3120/3180.