ThinkPad 170W Slim Power Adapter – Slim Original

Input: 100-240V AC, 50/60Hz (compatible worldwide)
Output: 20V DC, 4A
Power: 170 Watts
Connector Type: Lenovo rectangular USB Slim Tip
Compatibility: Suitable for Lenovo laptops and ultrabooks requiring 20V 4A with a USB Slim Tip connector
Safety Features: Over-voltage, over-current, over-temperature, and short-circuit protection
Design: Compact and lightweight for travel or everyday use
Included: AC power cord for immediate use