65W 20V 3.25A AC adapter with 5.5mm tip for Lenovo Thinkpad. Includes power cord. Watts : 65 W Maximum Input : 100-240 V ~ 1.5 A, 50/60 Hz Output : 20 V ~ 3.25 A, 65 W Connector : 7.9 mm x 5.5 mm Note : This AC Adapter 65 W can be replaced with 90W power supply 42T4424, 42T5292,