AC Power Adapter Selectable 5-24 VDC 36W from Tinkering Supplies
"Wallwart" transformer with 20 selectable output voltages from 5V to 24V. The high efficiency switching power supply handles loads up to 36W for a maximum of 4A at 5VDC, 1.5A at 24V and proportionial current loads for the other selectable voltages. The package includes eight detachable DC power plugs for connection to a large variety of electronic devices.