Original Title: Power4Laptops AC Adapter Laptop Charger Power Supply Compatible with Sony Vaio VGN-CS310J/Q Optimized Title: **Power4Laptops 65W AC Adapter Charger for Sony Vaio VGN-CS310J/Q Laptop - Replacement Power Supply Cord (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.