For HP/Compaq 18.5V3.5A 65W ac adapter 

Technical Specification:

Condition:100% Brand New

Input: 100 to 240V AC,1.0-0.6A, 50 to 60Hz

Protection: over-current, voltage and auto recovery

Output protection: over-load and short-circuit protection

AC inlet: plug-in type

Insulation Strength: Class A

Operating Temprature: -10°C~+40°C (10-90%R.H) 

Storage Temprature: -40°C~+60°C (10-90%R.H)

Operating Humidity: 10% ~ 90% RH Non-condensing

Storage Humidity: 5% ~ 95% RH Non-condensing

Case materials: PC, ABS, or equivalent

Packing details:1 piece per plastic bag + inner box (negotiate when order)

Input: 100 to 240V AC,1.0-0.6A, 50 to 60Hz (worldwide use)

Output: DC18.5V4.9A

Power:90W

Outlet: 3-prong/2-prong

dc pin:7.4*5.0MM