Power4Laptops 90W AC Adapter Charger for Sony Vaio VGN-Z550N/B Laptop - Replacement Power Supply Cord with LED Indicator (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.