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USB Digital Voltage Current Tester
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USB Digital Voltage Current Tester

- Black
212177301

9.58
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Main Features
Multifunctional Testing Tool, it can measure voltage, current, discharge flow, also includes timing, over flow and voltage protection
Small size,easy to carry and store, you can use it anywhere and anytime
The screen displays current, voltage, and mAh data for easy viewing
With power down storage function and precision current save function

Measuring Method:
USB input port is plugged in 5V charger, USB output port is connected to mobile phone, directly read the current and voltage parameters
Measuring Micro USB line quality: USB output port is connected to mobile phone, USB input port is plugged in the 5V charger first, remember the voltage, then Micro USB input port is connected to 5V charger, remember the voltage. The smaller the voltage difference, the better the quality of the Micro USB line
Use TP4056 and other linear charging circuit, through this capacity table, to fully charge the battery with completely no power, the capacity data is the battery capacity, and using this method, you can also test the mobile phone charging capacity
Connect this testing tool to portable power source and turn on it. Press the button until the capacity data is zero. Insert the cell phone to charge until the portable power source switches off automatically. The next time you open this testing tool, the display capacity is the portable power source output mAh

Parameter:
Voltage ( input / output ) : 4V - 30V
Current ( input / output ) : 0A - 3A
Test capacity range: 0 - 99999mA
Accuracy: + / - 1 percent
Input: USB 2.0 Micro USB
Output: USB 2.0

Specification

Specifications

Application: Computer,Mobile phone

Dimensions and Weight

Product weight: 0.0230 kg
Package weight: 0.0440 kg
Product Size(L x W x H): 7.30 x 2.80 x 1.50 cm / 2.87 x 1.1 x 0.59 inches
Package Size(L x W x H): 11.50 x 7.50 x 1.60 cm / 4.53 x 2.95 x 0.63 inches

Package Contents

Package Contents: 1 x USB Detector

KWS - A16 4 - 30V USB Digital Voltage Measuring Instrument Current Tester- Black

KWS - A16 4 - 30V USB Digital Voltage Measuring Instrument Current Tester- Black

KWS - A16 4 - 30V USB Digital Voltage Measuring Instrument Current Tester- Black

KWS - A16 4 - 30V USB Digital Voltage Measuring Instrument Current Tester- Black


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Customer Reviews

4.22 out of 5
  • 5
  • 3
  • 0
  • 0
  • 1
See all 9 reviews Write a Review
  • Miro
    Yes (0) Color: Black
    USB Digital Voltage Current
    USB Digital Voltage Current easy to measure current output when charging. important when using solar charger and finding which cable is the fastest charging. lots cheap cable do only 0.4 A.
    works fine with large display. the usb conector are tight to plug in.

    Apr 03,2019

  • snooker10
    Yes (0) Color: Black
    USB тестер
    получил сегодня, поставил на зарядку свой телефон. Работает. Нормальный тестер, но дороговатый. Легкий как пушинка

    Feb 14,2019

  • Péter [HUN]
    Yes (0) Color: Black
    USB Tester
    Automatikus kikapcsolás, felvett árammennyiség mérése, időzítő funkció (visszaszámlálás 0,5 órás lépésekkel).
    Auto off function, measurement of the amount of electricity taken, timer function (countdown half-hour steps)
    Suggestion
    Price

    Jan 24,2018

  • Daro
    Yes (1) Color: Black
    USB Tester
    Very good tester.
    Kvalitny tester na zistenie aka mam kvalitne nabijacie kable a nabijacky.
    Jednoduche pouzitie.
    Urcite odporucam kupu tohto produktu.
    Suggestion
    Nothing

    Jun 05,2018

  • miky guerra
    Yes (0) Color: Black
    usb test
    muy buen producto calidad excelente. es lo esperado sencillo de usar me saco de las dudas de si mis cargadores era original simplemente me encanto.

    Aug 17,2019

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