AC Adapter, 240W/210W, 19.5V,

The Dell J938H is a 240 W AC adapter for supplying power to a laptop designed for its electrical rating. It provides 19.5 V at 12.3 A, so check that these output specifications match your device.

It accepts 100–240 V at 50–60 Hz input. The laptop-side connector is round with a centre pin, measuring 7.4 mm across the outside and 5.0 mm across the inside; these dimensions help identify the plug format.

The adapter is described as slim and black, with an approximate body size of 200 × 100 × 25 mm. Its compact form is suited to a home, office or other workspace with an AC supply, where it can power a compatible laptop.