Original Title: Power4Laptops AC Adapter Charger Power Supply Compatible with Asus AD9019 Optimized Title: Power4Laptops 90W AC Adapter Charger for Asus AD9019 Laptop - Fast Charging, Universal Compatibility - Perfect for Home, Office & Travel Use

Power4Laptops Power Supplies have overvoltage and overcurrent protection circuits built in, this means if you get a power surge a circuit in the power supply will blow before it damages your equipment. Our Power Supplies have also had Electrical Safety Assessment Tests conducted on them in the UK and have a valid CE Certificate which authorises them for safe use in the EU.

Power4Laptops Branded Replacement Charger - Unlike cheaper Power Supplies, Power4Laptops products are Electrical Safety Tested in the UK and CE Certified to guarantee your safety

Overvoltage and Overcurrent Protection Circuits built in - In the event of a power surge the Power Supply will blow before it damages your equipment.

Output Voltage: 19V

Output Amperage: 4.22A

Plug Size: 5.5mm X 2.5mm