With this AC adapter, can make sure your laptop be supplied with sufficient power
No need to worry about that you laptop out of power when you are outing to travel
Being an universal switching-mode power supply for laptop and LCD monitor

Rated input voltage (50-60Hz): AC 120V or AC 230V
Vibration input voltage range: (47-63Hz): AC100V-240V
Input rated current: 1.0AMP
Input power: 100VA
Output power (max): 70W
Efficiency: >80% (TYP)
Output voltage: DC12v/15v/16v/18v/19v/20v/24v（0.2/+0.8v no load） : DC12V-24V
Output voltage: DC12V/15V/16V/18V/19V/20V/22V (-0.9/+0.8V @ rating load): DC12V-24V 4.0AMP(max)
Output current:12V/15V @ 4A MAX; 16V/18V/19V/20V @ 3.5A MAX; 24V @ 2.9A MAX; DC12V-24V 4.0AMP(max)
Operating temperature: 0 °C to 40°C
Humidity: 20% to 80%
Storage: temperature: -10°C to 70°C
Humidity: 10% to 90%
Colour: Black

Note:
select output voltage of the ac adapter to suit your notebook computer voltage first
Select a connector plug to suit your computer dc connector jack from accessory, please make sure that the dc connector plug connect the adapter wire with correct polarity, correct positive connect marked on the adapter body
Insert AC plug into the mains supply of AC 120V or AC230V