For Lenovo ThinkPad Edge E431, E531 Charger
Input Voltage:100-240V 50 - 60Hz
Output Voltage:20V
Output current: 3.25A
Power: 65W
Output Tips :Square with pin
AC Pin : 3pin
Color : Black
Weight : 218g
Over current protection: Yes
Total power protection: Yes
Over voltage protection: Yes
Short Circuit Protection: Yes