Acer 45W 19V 1.1x3.0x7.7mm AC Power Adapter KP.0450H.015

This Acer AC power adapter delivers 45 W at 19 V with a 1.1 x 3.0 x 7.7 mm DC barrel plug, tailored for Acer notebooks that require this exact connector and voltage. Unlike generic universal adapters, it matches the original Acer 45R090P specification, ensuring stable power and correct fit.

Highlights

• 45 W output power for reliable charging
• 19 V output voltage with 2.37 A current
• DC barrel plug: 1.1 mm inner, 3.0 mm outer, 7.7 mm pin
• Wide input voltage range: AC 100-240 V, 50/60 Hz
• Built-in overload, short circuit, over voltage, and over current protection

In daily use

The adapter operates from standard wall outlets worldwide, automatically adjusting to input voltage. Its compact black housing and fixed DC cable make it easy to carry as a spare or replacement. The connector's dimensions are critical for compatibility; verify your laptop's DC jack before ordering.

Full specifications

• Product type: Laptop AC Adapter
• Brand compatibility: Acer
• Power output: 45 W
• Output voltage: 19 V
• Output current: 2.37 A
• Input voltage: AC 100-240 V
• Input frequency: 50/60 Hz
• Connector type: DC barrel plug (1.1 x 3.0 x 7.7 mm)
• Colour: Black

Final note

This adapter is identified by Acer part number KP.0450H.015 and model 45R090P. It is designed for Acer laptops that require 45 W at 19 V with the specified barrel connector.