Lenovo ThinkPad 170W AC Adapter (Slim tip) - 110 V AC, 220 V AC Input - 20 V DC/8.50 A Output

Up to 170 W maximum power output 8.50 A current enables your device recharge quickly Good power efficiency and comparatively light weight Delivers 20 V DC to ensure that your device is always ready to use Energy efficient - designed to use less energy than alternative products, potentially helping you save money and reduce your carbon footprint.