Specification:
- Input voltage: DC 4.5 ~ 40V.
- Output voltage: 5V (when the input voltage is between 6.5V ~ 40V).
- Output current: 2A.
- The voltmeter has an 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: 5.7 x 2 x 1cm (L x W x H)
Applications:
- Car/motorcycle battery voltage monitoring, or other voltage measurements.
- USB Charger for Mobile phone, MP3, Tablet PC or other electronic products.
- The output current capability is 5.0V/2A, enough to meet a variety of USB devices, voltage is very stable.
Instructions for use:
The module is connected to power, the voltmeter digital display, if need to charge a phone, tablet PC, MP3, please press the "Output Enable" button, then the USB power indicator lights, USB output 5.0V; if need to turn off the digital display, please press "low power" button, then enter the low -power standby mode, USB output shutdown.
Voltmeter calibration method:
- When the voltage meter display, press "Output Enable" button 2 seconds then release, voltmeter flashes.
- Touch the "Output Enable" button, the voltage increases one unit, touch the "Low Power" button, reduce one voltage reduction unit(one unit is less than 0.1V )
- 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.
Please Note:
this module defaults to D+,D- shorted, compatible with most of the cell phone charging, if need to install identification resistor, such as IPhone please cut off the red line position
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