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  • $12.20
  • Free 30-day Returns
  • Ships from China.
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    AJMRTC Multi-Function USB Charger Doctor Tester, Digital Voltage Current Meter Voltmeter Ammeter, USB Power Detector for Charger, Power Bank and Cable Testing

    • - Dual real-time display of USB voltage and current for charging status monitoring
    • - Plug-and-play design, no extra driver needed for quick measurement
    • - Compact transparent shell, lightweight and easy to carry for field testing
    • - Test USB chargers, power banks, charging cables and mobile devices
    • - Low power consumption, built-in shunt for stable and reliable readings
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    Overview
    Specs
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    Any questions? Ask CelesteSM will help you find out quickly.

    AJMRTC USB charger doctor tester is a practical portable USB power detection tool. It can simultaneously display real-time voltage and current values when your devices are charging. Simply insert it between the USB power source and the load, you can easily check whether the charger, power bank or charging cable outputs normal power. It helps you identify faulty chargers, damaged cables and unstable power supply, protecting your phones, tablets and other USB gadgets from abnormal voltage and current. It is widely used for electronic DIY maintenance, laboratory testing, daily charging inspection and hobbyist electronic projects.


    Specifications:

    1. Type: USB Charger Doctor Tester
    2. Measure Item: Voltage, Current
    3. Voltage Range: 3.5V - 7V DC
    4. Current Range: 0 - 3A
    5. Voltage Resolution: 10mV
    6. Current Resolution: 1mA
    7. Display: Digital LED Screen
    8. Interface: USB Male to USB Female
    9. Operating Temperature: 0 ~ +60
    10. Shell: Transparent ABS Housing


    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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