Features:
Charge different models of laptop
Charge PDA, Cell phones, Mp3 etc.
Stabilized output, low ripple & low interference
High efficiency & low energy consumption
Adjustable output voltage
With 8 interchangeable tips

Specifications:
Efficiency: >80%(typ)
Input voltage: AC110 - 240V
Input current: 1.8A
Output Voltage: DC15 - DC24V
USB Port: 5V/500mA (Max)