DC 4.5-40V TO 5V 2A USB Charger Step-down Buck Converter Voltmeter Power Module
Output current: 2A. Load capacity:3A(Max) Typical 2A. Output : 5V/3A. The setting will not lost after power off. 5A 3A USB Step-down. Conversion efficiency:96%(Max). Switching frequency:1.5MHz(Max) Typical 1MHz.