The Acer KP.04501.009 is a 45 W AC adapter for powering laptops through a matching connector. Its output is 19 V at 2.37 A, identifying this specific power unit. The distributor identifies this part number as an original Acer product.
The round laptop connector has a 5.5 mm outer diameter, 1.7 mm inner diameter and 11 mm length, with no centre pin. These measurements help distinguish it from other connector styles.
Its listed AC input is 100–240 V at 50–60 Hz, for use with power sources in that range. The stated output and connector dimensions describe this model.
Package contents: three-pole C5 power cable.