Original Title: AC Adapter Laptop Charger Power Supply Compatible with Lenovo Thinkpad I1257 Optimized Title: **Lenovo ThinkPad I1257 AC Adapter - 65W Laptop Charger Power Supply Cord for ThinkPad T480, T490, X280, X390 - Replacement Charger 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 16V

Output Amperage 4.5A

Plug Size 5.5mm X 2.5mm