Dell J211H AC adapter powers compatible Dell laptops. Also identified by OEM reference 0J211H, it is described as a three-prong worldwide adapter rated 240W/210W.
Its output is listed as 19.5V at 12.3A, with maximum output power of 240W. The 7.4 mm connector specification helps check whether it matches the laptop. The listing includes a 0.5 m power cord.
Listed compatible systems include Alienware M17x and Precision M6400 and M6500 laptops.