DC 4.5-40V To 5V 2A USB Charger DC-DC Step-down Buck Converter Voltmeter Module

The DC 4.5-40V To 5V 2A USB charger module is a DC-DC step-down (buck) converter that turns a higher DC voltage into a regulated 5 V output on a standard USB socket. A built-in LED voltmeter shows the input voltage, so you can keep an eye on a battery or supply while charging a phone or powering a 5 V project from a car, solar or 12/24 V system.

DC 4.5-40V To 5V 2A USB Charger Specifications

• Type: DC-DC step-down (buck) converter
• Input voltage: 4.5–40 V DC; an input above about 6.5 V is needed for a full 5 V output
• Output: 5 V DC, up to 2 A
• Output connector: USB Type-A socket
• Display: LED voltmeter showing the input voltage

DC 4.5-40V To 5V 2A USB Charger Applications

• Charging phones and USB gadgets from a 12 V or 24 V vehicle battery
• Powering Arduino, ESP32 and other 5 V boards from a higher-voltage supply
• Solar and battery systems where you want to watch the battery voltage
• DIY power banks and USB charging points

What's in the Box

• 1 × DC 4.5–40 V to 5 V 2 A USB charger module with voltmeter

Tip: Check the input polarity before connecting power and keep the input below 40 V. For a steady 5 V output feed the module with more than 6.5 V, and leave some airflow around the board when drawing close to 2 A, as the converter warms up under full load.

Orders placed before 14:00 are ready for pickup the same day. Delivery across Lebanon usually takes 1–3 working days.