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

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

$2.39
  • Model: 500093
  • Shipping Weight: 0.04lbs
  • 1000 Units in Stock
Qty Discounts Off Price
1
$2.39
2-4
$2.34
5-9
$2.27
10-29
$2.15
30-49
$2.10
50+
$2.03
 
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Product Description
Description
  • Input voltage: DC 4.5 ~ 40V.
  • Output voltage: 5V (when the input voltage is between 6.5V ~ 40V).
  • Output current: 2A.
  • The voltmeter has automatic calibration function.
  • With reverse connection protection.
  • With overheat protection and short circuit protection.
  • With USB power indicator light.
  • High efficiency and low ripple.
  • Size:58*21*10mm(approx) (L*W*H)
Applications: can be used on car, electric bike, motorcycle for voltage measurement and to charge phone, iPad, Mp3 etc.
 
 
Instructions for use:
After power-on, the voltmeter digital display, if need to charge phone,Tablet PC, MP3 , please press the "Output Enable" button, then the USB power indicator lights, USB output voltage 5.0V; if need to turn off the digital display, please press "low power" button, then enter the low-power standby mode, USB output shut down.
 
 
Note:This module default D + D- short, most of the cell phone charger is compatible, and set aside a variety of mobile phones identification resistor installation location, if you need to add the identification resistor, please connect D + D- wires cut,then added.
 
 
Voltmeter calibration method:
 
1.When the voltage meter display, press "Output Enable" button 2 seconds then release, voltmeter flashes.
This time into the voltage regulation mode.
2.Touch the "Output Enable" button, the voltage increases one unit, touch the "Low Power" button,the voltage reduce one unit(one unit is less than 0.1V )
3.After the voltage adjustment is completed, please press the "Output Enable" button for 2 seconds then release, exit voltage calibration mode. If power off, parameter setting will automatically save.
 
 
 
Package included:
  • 1 x 5V Buck Converter USB output with Voltmeter
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