70w Universal AC Laptop Adapter

Specification:
Input Voltage: AC 110V~250V 50/60Hz 1.8A
Output Voltage: 12V/15V/16V/18V/19V/20V, 3.5A; 24V,2.9A; USB-5V,1A
Total output power 70W 
Power Cord: Euro US UK AU
suitable voltage scope: 12-24V
Working conditions temperature: -10°C -- +40°C  
Working conditions humidity:10%-90% RH
Efficiency: 80%
Operating frequency: 60/50Hz Ripple/noise  <100mV Vp-p(max) 
Electrical specification:  Short-circuits, Over-voltage, Over-current, Over-temperature protection 
Suitable product: Universal, Universal Laptop Adapter
Suitable area: Various countries, various areas
Net Weight: 0.45kg 
Output Tips:  8 Tips

DC plug-in Connector: 8 tips
Tip 1 - 3.5mm x 1.35mm
Tip 2 - 4.0mm x 1.7mm
Tip 3 - 4.8mm x 1.7mm
Tip 4 - 5.5mm x 1.7mm
Tip 5 - 5.5mm x 2.1mm
Tip 6 - 5.5mm x 2.5mm
Tip 7 - 6.3mm x 3.0mm
Tip 8 - 6.0mm x 1.0mm

Specification: 
covering wide range laptops

Instruction
1. Please make sure the output voltage your device uses is within 15V to 24V. You can find the output voltage on your laptop
   or the original ac adaptor that comes with your device.
2. Find the correct connector by trying to plug it in the device. We recommend plugging the connector in the device before it is plugged into the AC Adapter.
3. Select the correct voltage (determined by your laptop) just by simply moving the voltage switch button with your finger.
4. Item Includes: AC Adapter, plug-in connectors and Power Cord.