Laptop Network Adapters
Input voltage: AC100-240V 50~60HZ

Output voltage: (DC) 20V
Output current: 0.5A 1A 2A
Output voltage accuracy ±0.5% (no load)
Power polarity: positive inside and negative outside, inside (+) outside (-)
DC cable length: 1 meter
DC interface: 5.5*2.5 and 5.5*2.1mm
Color: Black

Output interface: 5.5mm*2.1mm

Connection method: plug-in
Output type: DC
Model: 20V 0.5A 1A 2A