The 4.5V to 5V DC-DC USB Charger Step Down Converter Module is a reliable and efficient solution for converting a wide range of input voltages into a stable 5V output, ideal for charging USB-powered devices. The integrated LED display provides real-time voltage monitoring, ensuring safe and precise operation. Its compact design makes it suitable for DIY electronics and portable applications .When you need to turn off the voltmeter, click the “Low Power” button, then enter the ultra-low-power standby mode, USB output corresponding shutdown. 

DC-DC 4.5V to 5V 2A USB Charger Step Down Converter Module Features:

• Wide input voltage range.
• Stable 5V DC output for USB devices.
• Built-in LED display for monitoring voltage levels.
• Compact, lightweight design for easy integration.
  
• Has an automatic calibration function.
  
• With overheat protection and short circuit protection.
• High efficiency and low ripple.

DC-DC 4.5V to 5V 2A USB Charger Step Down Converter Module Specifications:

• Input Voltage: 4.5V to 40V DC
• Output Current: 2A (max)
• Output Voltage: 5V DC
• Dimensions (L x W x H): 61mm x 11mm x 13mm
  

Package Includes:

1 x 4.5V to 5V DC-DC USB Charger Step Down Converter Module