This high power DC adapter is designed to power the popular brand laptop notebook computers which require DC input from 12V to 24V ( there is only an output voltage, we can do from 12V to 24V just as your requirement, its output power is 90W&its output max current is 4.5Amp) while you are traveling in the car. The charger feraures short circuit to protect it from damage.

1. Specification:
.  Input voltage: 12V DC
.  Output voltage: from 12V to 24V
.  Output max current:4.5Amp
.  Output Power: 90 W (We have 60W and 70W)
.  Color: Black
.  Safe Protection: short circuit protection
.  Safety Approvals: CE, FCC

2. Compatible for Laptop series from car charger:
Output               Connector Size              Fit for laptops
15V/Max 90W 6.3*3.0mm                    Toshiba
16V/Max 90W 5.5*2.5mm                    IBM
16V/Max 90W 6.5*4.4mm(with 1.4mm pin)     sony Fujitsu
18.5V/Max 90W 4.8*1.7mm                 Compaq
19V/Max 90W 5.5*2.5mm                    Acer Compaq belta hp fujitsu Cateway  Toshiba liteon
19V/Max 90W 5.0*3.0mm(with 1.4mm pin)      Samsung
19V/Max 90W 5.5*2.1mm                    Acer Compaq belta hp fujitsu Cateway  Toshiba liteon
19.5V/Max 90W 6.5*4.4mm(with 1.4mm pin)      Sony
19.5V/Max 90W 7.4*5.0mm with pin                    Dell
20V/Max 90W 7.4*7.3mm with 3 hole     Dell

3. Others:
. Warranty:12 months
. Term of Payment: E. X. W or F. O. B
.  Packing: 1 set in one inner box then 42 sets put into brown carton, and carton size is 54*52*40CM
.  Transportation: By air or by sea, Express.