9V 4A Switching Power Supply - VeriFone Switching power supply with 9 VDC / 4A output, suitable for devices and equipment powered at 9V. The device is equipped with a 180 cm cable with a 2.5 / 5.1 mm connector at the end (" - "in the middle). The outer casing is made of high quality plastic. The small size and low weight make it suitable for connecting the power supply to any AC outlet (for internal use only).  Input: 100 ... 230 VAC, 50 ... 60 Hz Output: 9 VCC, 4000 mA