ODROID PowerMate is a remote management switch that controls an ODROID board remotely. You can control the power in a WiFi environment and control the ODROID through the UART console. VIN voltage: 9-21V VOUT voltage: According to VIN (There is no voltage regulator on the board) VOUT MAX current: 7A USB voltage: 5V USB MAX current: 4A Specification Input Voltage: 9-21V Output voltage: According to VIN (There is no voltage regulator on the board) Output max current: 7A USB port output voltage: 5V USB port max output current: 4A Package includes ODROID PowerMate x1 DC Plug cable x1 UART Cable x1 Rubber Foot x5 (one spare) Compatible Power supplies Power Supplies sold by ameriDroid 19V@7A 15V@4A 12V@2A Other stable and reliable DC power supplies between 9V and 21V https://wiki.odroid.com/accessory/powermate