Adapter Adjustable Power Supply 3V 4.5V 5V 6V 7.5V 9V 12V 2A 2.5A AC/DC US I-jz

DC head output: 2.5 0.7mm 3.0 1.1mm 3.5 1.35mm 4.0 1.7mm 5.5 2.1mm 5.5 2.5mm. Model: 30W multi-function power adapter. USB output: 5.0V2.1A. AC plug: US, EU, UK, AU. Rated power: 30W.

eBay