Lenovo 90W AC adapter, model ADLX90NLC3A. Key details include:
Input: 100-240V, 1.2A, 50-60Hz
Output: 20V, 4.5A
Power: 90W
It is designed for Lenovo equipment
It has multiple certifications, including FCC and RoHS
The adapter's energy consumption is 101.07Wh in operation and 0.19Wh in standby mode