The Acer KP.04503.010 is a 45 W AC adapter for powering compatible laptops. Acer identifies it as a LITE-ON adapter. Its output of 19.0 V at 2.37 A provides the specified supply for a compatible laptop.
The listed AC input is 100–240 V at 50–60 Hz. The adapter converts mains power to its specified laptop output, making it suitable for use where a compatible laptop is connected to the mains.
Its round plug measures 5.5 mm outer diameter × 1.7 mm inner diameter and is 11 mm long. Check these dimensions when matching the connector to a laptop. Acer lists Aspire E5-473, Aspire E5-573 and Aspire ES1-420 among compatible models.
Package contents: one three-pole C5 power cable.