120W Laptop universal Charger for home 

DC 12/15/16/18/19/20/24V or

DC 15/16/18/19/20/22/24V 7 Channels
two programs option
Output Current:12v~18v Max 6A 19V~24V Max 5A
Efficiency: >85%

we have two kind of plug,pls choose the one you like.

Product Description
This AC adapter powers your notebook computer and the LCD, some mobile phones, MP3 MP4 players,
Laptop switching-mode AC to DC power supply, with a USB output.

The Universal 120W AC Power Adapter features a new lightweight form factor and slim design makingit ideal for use at home. The Universal adapter is designed to power and charge over 6, 000
Notebooks including the latest models and also includes 8 tips that are compatible with popular notebooks such as DELL, Compaq, Gateway, HP, IBM, Lenovo, Panasonic, Sony, Toshiba and more. 

The Universal Power Adapter can deliver an output of 15V~24 V, or 120W of continuous power and up to120W of peak power making it easy to power and charge your notebook at home. The adapter includes the USB port.
Operation at input AC110-240V, output: 15V~24V, with many protections functions, such as output Over voltage Protection, output Short Circuit protection.

Using DC power adapter
1. Please select output voltage of the AC adapter to suit your notebook computer first, output Voltage 15V~24V marked on the adapter Connector plug
2. Select a DC connector plug to suit your DC connector Jack of computer from 8 tips of Accessory, please make sure that the DC connector plug connect the adapter wire with correct Polarity, correct positive connect marked on the adapter body
3. Insert the AC cable mains supply of AC 100~240v

CAUTION:
For AC110~240V 50/60Hz
Don't use this adapter with device that exceeds 120W

Operating instruction:
  A. Voltage selection:
      1. Proper output voltage setting. Please check the voltage indication marked next to the input jack on your laptop. You may find the voltage in your AC adaptor or in the computer user's manual.
      2. Set the voltage switch on the body of the adaptor into the corresponding voltage of your laptop.

  B. Tip polarity selection:
      1. Select a proper connector size. The polarity of the connector plugs is presented with the positive tip in centre.
      2. Insert connector output plug into your laptop
      3. Insert adaptor into Jack
      4. Turn on laptop