90W Laptop Digital AC Adapter Specification
Model: SG90A
1.General Description:
This model is automatic smart plug power supply for Laptop and USB, operation at input AC 100V to 240V 50-60Hz, Output USB port:5V@2.1A max. DC Output voltages: 15V TO 20V@4.5Amp max, output power 90 Watt max, with protection functions: Overload protection, Short Circuit Protection, Over voltage protection, power supply by mains supply. With 8 tip connecter to suit to almost Laptops, Select output voltage to suit to Laptop and make sure the polarity of tips connect correct before use.
2.Electric Characteristics:

No. Item Specification
1. AC: Rated Input Voltage (47-63Hz) AC120V OR AC230V
AC: Vibration Input Voltage Range (50-60Hz) AC100V-240V
2. AC: Input Rated Current 1.5Amp
AC: Input Power 110VA
3. Output power (max) 90W
AC: Efficiency >80%(TYP)
4. Output Voltage:
15V/16V/18V/18.5V/19V/19.5V/20V(0/+0.8V NO LOAD)
USB port：5V（0~+0.8V DC15V-20V

USB port:5V
5. Output current:
15V/16V/18V/18.5V/19V/19.5V/20V@4.5Amp Max
（no USB port output）
USB port: 5V@2.1Amp Max DC15V-20V@4.5Amp
USB port：5V@2.1Amp Max
6. Overload protection Yes
7. Short Circuit Protection Yes
8. Over Voltage protection Yes
9. Line Regulation +/-2%
10. Load Regulation +/-5%
3. Weight: 220g
4. Case Size: 130*56*17(L*W*H) mm
5. Normal Operating Temperature and Humidity:
5.1 Operating Temperature: 0 to 40 degrees
5.2 Humidity: 20% to 80%
6. Storage Temperature and Humidity:
6.1 Storage Temperature: -10 to 70 degrees
6.2 Humidity: 10% to 90%