12V 20A 240W Switching Power Supply
It can supply with all amperage less than 20A. —such as 1A, 2.5A, 10A, 12A, 18A, 20A. For example, if your device draws 15A, then 15A will be supplied.
If draws more than 20A, only 20A will be supplied and power supply will be damaged soon. NEVER OVERLOAD!
12V 20A DC Universal Regulated Switching Power Supply 360W for Computer Project, 3D Printer, CCTV, Radio, LED Lights