Ac Adapter Charger For IBM Lenovo Thinkpad X100e X120e X121e X130e X131e X200 X200 Tablet X200s X200t X201 X201 Tablet X201i X201s X201t X220 X220 Tablet X220i X220i Tablet Input voltage: 100-240V ~ 1.5A, 50 - 60Hz Output voltage: 20V ~ 4.5A, 90Watt Size of connector: 7.9X5.5mm item is compatible replacement If you don't see your model on the list please contact us This Product Has 12 Months Replacement Warranty