LM2596S Dual USB DC-DC 9V 12V 24V 36V to 5V 3A Step Down Buck Converter Board

Input: 6V-40V (DC5.5/2.1 port, connecting terminal)Output: 5V / 3A (MAX)(With Identification resistance for Apple)Efficiency: 92% (MAX)Switching frequency: 150KHZWorking temperature: -40 ° – + 85 °Load capacity: Maximum output 3A (Connect with two phones simultaneously)Scope: mobile power, mobile phones, flat-panel powered devices USB5VProduct Size: approx. 50*35*12mm/1.96*1.37*0.47”Net weight: approx. 17g