This model is an univarsal switching-mode powar supply for Laptap.Can be used both in car and airplane .operation at input DC voltage 12v to 15v and output DC voltage of 15v/16v/18v/19v/20v/22v/24v DC,output current 5amp max,output power 120watt max,with 8 pcs separate tips connector to suit to almost all laptops,select output voltage to suit to laptop and make sure the polarity of tips connect correct before use, with many protection functions use for the notebook computer,power supply by 12v car battery

Electronic characteristics:   (can be used both in car & airplane)

1.       Rated input voltage: DC12V ; Vibration input voltage range:DC 12v-15v

2.       Input rated current::12 amp max

3.       Input power current: 100mA

4.       Input power :140W

5.       Output power :120W

6.       Efficiency: >88%(TYP)

7.       Output voltage:DC 15v, 16v, 18v, 19v, 20v, 22v, 24v(0-0.8v no load)

 USB port: 5v (0~+0.8v no load) can be used for :MOBILcharger, camera charger,MP3, MP4 and other electronic portable devicesOutput voltage:DC 15v, 16v, 18v, 19v, 20v, 22v, 24v (rating load +/-5% typical +/- 0.8v)

Output current: 15v, 16v, 18v, 19v, 20v, @6amp max 22v,24v 5amp max

USB port:5v(rating load 5v-5.5v)2A  max

8.       Short circuit protection : YES

9.       Output low voltage protection (10v) :YES

10.    Line regulation:+/-5%

11.    Load regulation:+/-5%