Genuine 54V 0.74A 40W 4.0x1.7mm FSP040-DWAW2 AC Switching Power Adapter compatible with FSP Power Supply Charger Model Number : FSP Input: 100-240V 50-60Hz Adapter Output Voltage: 54V Adapter Output Current: 0.74A Adapter Power: 40W Adapter Plug Size: 4.0x1.7mm