supplier of laptop adapter 18.5V 4.5A 1.Laptop Adapter Manufacturer 2.High Quality, Competitive Price ... of laptop adapter 18.5V 4.5AInput100-240V , 50/60HzOutput Tips 4.8 * 1.7 MM Output 18.5V 4.5Astorage tempeature-20°C ... ,over voltage,over current,over-temperature ProtectionFailure Rate Less than 0.2% Power CardC6,Euro, US, UK, AU Style ...