Original IBM Lenovo 90W AC Power Adapter Charger For IBM Lenovo Tablet X220, X220I, X301, Type 2774, 2776, 2777, 2778, 2779, 4057, 4182, 4286, 4287, 4289, 4290, 4291, 4293, 4294, 4296, 4297, 4298, 4299, 4301 Laptop Notebook Computers Input: 100-240V 50/60Hz worldwide power compatible Output Volts: 20.00V Output Wattage: up to 90W maximum Output Current: up to 4.50A maximum Part Number Compatibility: IBM / Lenovo 40Y7659, 42T5000, 42T5275, 42T5277IBM / Lenovo 92P1104, 92P1106, 92P1108, 92P1110, 92P1112, 92P1114, 93P5026