40amps- 500W Switch Power Supply Adapter.

– Input: 100V-240V, 50/60Hz – Output Voltage:12V DC – Output Current: 0 ~ 40A – Output Voltage adjustable range: ±10% – High quality switching power supply, stable 12V output to protect electronics from excessive voltage – Inbuilt smart chip provides overcharge, overload, short-circuit, and over-heat protection – Perfect for 3D Printers, ham Radio Transceivers, Car Sub-woofer amps, Audio Amplifiers, RC Li-Po Chargers, LED Strips, etc