https://www.goadapter.com/original-lenovo-thinkpad-s531-20b00008cy-chargeradapter-65w-p-42141.html
Product Info:
Input:100-240V / 50-60Hz
Voltage-Electric current-Output Power: 20V-3.25A-65W
Plug Type: 1 Pin
Color: Black
Condition: New,Original
Warranty: Full 12 Months Warranty and 30 Days Money Back
Package included:
1 x Lenovo Charger
1 x US-PLUG Cable(or fit your country)