DC-DC 4.5-40V to 5V 2A USB Charger Step Down Converter Voltmeter Module IBAT22798

The DC-DC 4.5-40V to 5V 2A Step-Down Module is a high-efficiency buck converter designed to provide a stable USB power source from a wide range of input voltages. Featuring an integrated 3-digit red LED voltmeter, this module allows for real-time monitoring of either input or output voltage with 0.1V accuracy. It is equipped with a standard USB-A port capable of delivering a steady 2A output, making it ideal for charging mobile devices from car batteries, solar panels, or industrial power supplies. The onboard "Output Enable" button and low-power standby mode provide professional-level control over your power distribution.