45N0370 AC Adapter 20V 8.5A 170W PSA PNo: 45N0370 Warranty 1 Year Role of product in providing mains power AC adapter , Converts mains power to low voltage DC to power a portable device Input voltage/Power source 110-240V , Supplied with plug to match the country of your delivery address Voltage 20 V Weight 600 g Dimensions 155 mm x 76 mm x 30 mm Shape Rectangular Brand Name This is a Original Lenovo branded product.