Amazon.com: 4.5V 1Amp AC to DC Adapter Power Supply, 4.5W 1000ma AC 100-240V to 4.5V, 2.5mm X 5.5mm Plug(Pay Attention to The Size. Make Sure it Works for Your Products) : Electronics
Amazon.com: ZOZO Universal AC/DC Adapter 12W Switching Power Cord 3V 4.5V 5V 6V 7.5V 9V 12V Charger Adapter with 8 Tips for Household Electronics Routers Speakers CCTV Cameras Smart Phone USB
30W Universal AC Adapter Power Supply DC 3V 4.5V 5V 6V 7.5V 9V 12V for Household Electronics CCTV IP Camers Routers Speaker Tablet Webcam USB Devices Multi Voltage Wall Charger Cord -
500ma Universal Transformer AC/DC Power Adapter 7 Way 3V 4.5V 6V 7.5V 9V 12V 39612113907 | eBay
Swift Microscope Power Adapter MA14281
In stock Black 4.5V 0.5A AC miniature regulated wallmount switchmode 2.25 watt power supply in stock, with 4.5VDC, 500mA DC output from PowerStream Technology, 4.5 Volt 0.5 Amp adapter.