Specification:
-brand new
-Input: DC 11-15V Max 10A
-Output:20V-4.5A
-Power: 90W
-Tip Size:Square USB
-5V 2.1A USB Port: Can charge for your mobile phone or tablet pc at the same time.
-compatible for Lenovo ThinkPad X240S E431 E531 G500 G505 T440
-Package include: 1X 90W DC Car Charger Power Adapter
Warm Tips: Please double check before purchase.You can find out the detail spefication on the bottom of your laptop