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USB Voltage Current Display Safety Detector Tester
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USB Voltage Current Display Safety Detector Tester

- Black

    COD This product supports COD on delivery. Suggestions: Do not place orders with non-COD products, otherwise you will not be able to choose COD payment method.
    Ship between: May 17 - May 19, Estimated Shipping Time: business days Order Processing Time may require a few days. Once dispatched from warehouse, Shipping (or Delivery) Time depends on the Shipping Method.
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  • interest-free You can enjoy a maximum of 0 interest-free installments, and may not enjoy this offer when placing orders with other products
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USB Voltage Current Display Safety Detector Tester
Main Features:
● USB security tester can monitor the voltage, current, power, capacity, temperature and charging time via your phone or another device. Compared to the other USB monitor, it can measure the charging time and temperature.
● Pressing the button for 2 - 3 seconds, the data is cleaned and restart to record.
● Small and portable, do not need other power supply.



Type: Detector

Dimensions and Weight

Product weight: 0.0160 kg
Package weight: 0.0180 kg
Product size (L x W x H): 6.50 x 1.50 x 1.00 cm / 2.56 x 0.59 x 0.39 inches
Package size (L x W x H): 7.00 x 2.50 x 1.50 cm / 2.76 x 0.98 x 0.59 inches

Package Contents

Package Contents: 1 x USB Voltage Current Display Safety Detector Tester
USB Detector Tester for Power Supply Device- Black
USB Detector Tester for Power Supply Device- Black
USB Detector Tester for Power Supply Device- Black

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Customer Reviews

4.79 out of 5
  • 35
  • 5
  • 2
  • 0
  • 0
See all 42 reviews Write a Review
  • Renato Soriano
    Yes (2) Color: Black
    Awesome usb tester.
    This is the most complete and great usb tester ever it can measure many variables and show them in 3 different user interface.
    It has a master button that configures all the values, resets the measurements, make calibrations and can program the timer or use the intelligent charge function.
    All of this is described in the manual.
    Took 2 weeks via priority line to Mexico.
    *The measurements were made with an iphone 6 using the original cable.

    Mar 18,2018

  • fra
    Yes (0) Color: Black
    usb tester for mA, V, ohm, etc
    this USB detector tester is useful to test how current, volt your usb plug will generate. for example you can use it to compare which power supply/battery charger is better and faster to charge your smartphone: you can compare how many mA of current you have.
    I used to compare my usb cable and I got useful info. For example with one cable I charge my smartphone at 0.5 amp, with another 0.9 and another 1.5amp!! very nice to know!! I will save a lot of time now.
    be careful and gentle with usb plug , is not very strong

    Apr 12,2018

  • José
    Yes (0) Color: Black
    Comprobador de cargadores USB! Power banks, etc.
    En su pantalla, además de otros datos, indica el voltaje de salida, y la corriente (Amperios) que está pasando al dispositivo que se está cargando,
    También es muy útil para comprobar la calidad de los cables de carga.
    El conector usb es reversible, lo que nos permite conectarlo siempre de forma que la pantalla quede visible.
    Incluye un pequeño manual de uso.

    May 24,2018

  • aggnik
    Yes (0) Color: Black
    Crazy value for money
    Works perfect
    Not only you can check voltage and amperes but also you can count the mah meeds your battery till 100%
    Ideal for counting battery capacity during charging....for less than 5€
    Also its counting the charging temperature
    A side batton to delete testing results
    Strongly suggested

    Apr 17,2018

  • Benny
    Yes (0) Color: Black
    5 Star USB Tester
    Use this to test: USB voltage, device power draw and power consumption, test cables and more.
    Identify bad chargers and USB ports, diagnose problems and fix things. Dozens of things around your home and shop may use USB power supplies and chargers. With this tester you can identify faulty supplies, or if the cables and or device are the problem.

    Nov 27,2018

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There are two key factors which will affect the time you receive your items.

Item processing time
After receiving your order,we require some time to test the product to ensure its quality.The exact processing time varies depending on the item.The average processing time is 3 working days.but this can also be affected by the item's stock status. For small quantity orders,the processing time is 1-3days while larger quantity orders may require 2-5days.
Shipping methods
China Warehouse:
Shipping Type Country or Region Arrive within 1-7 Days Arrive within 8-15 Days Arrive within 16-30 Days Arrive within 31-45 Days Average Time (Days)
Unregistered Air Mail or Registered Air Mail United States 0.52% 44.87% 49.88% 3.5% 18.13
Spain, United Kingdom, Italy, Germany, France & Portugal 5.18% 43.44% 48.34% 1.17% 15
Netherlands, Greece, Poland, Hungary, Slovakia, Czech Republic 2.96% 40.34% 52.54% 3.74% 18.66
Russia 0% 4.45% 84.41% 11.1% 28
Japan, Korea 0% 21.30% 68.80% 9.66% 17.75
Brazil 0% 0% 23.91% 72.09% 38.6
Turkey 0% 37.75% 59.05% 3.1% 20.33
Thailand, Singapore & Malaysia 0% 40.39% 56.12% 2.6% 16.2
Other countries 0.7% 38.79% 47.94% 8.56% 23.57
Priority Line United States 12.28% 79.05% 7.4% 0.52% 11.75
Spain, United Kingdom, Italy, Germany, France & Portugal 8.44% 66.56% 23.45% 0.45% 13.55
Russia 0% 3.48% 75.79% 20.04% 31
Brazil 2.21% 6% 61.29% 25.46% 30
Turkey 20.42% 77% 3% 0.08% 10
Australia 7.67% 86.60% 5.68% 0% 11
Korea 97.54% 1.57% 0.89% 0% 7
Japan 95.80% 2.09% 0% 0% 6.84
Thailand, Singapore & Malaysia 58.96% 41.04% 0% 0% 8.45
Other countries 22.33% 30.8% 27.62% 17.64% 18.65
Expedited Shipping ALL countries(EMS) 3.8% 46.8% 26% 15% 14.8
ALL countries(DHL) 65.8% 25.75% 3.86% 0.37% 6.72
GW Warehouse: Typically 3-5 days to the UK, 3-7 days to other European countries.
USA Warehouse: Generally, 3-7 days to a USA address.
ES Warehouse: Generally, 2-5 days to the Spain, 3-7 days to the Portugal.
Shipping from warehouse nearest to shipping address is faster. Additional charges may apply.
Note: This is a general guide and delays maybe caused force majeure, natural disasters, inclement weather, war, public holidays, and factors outside our control. Generally speaking, we offer free shipping for USB Voltage Current Display Safety Detector Tester to United States (US, USA), United Kingdom (UK, GB), Germany, Italy, France, Spain, Portugal, Poland, Brazil, Russia, Japan, Greece, Austria, Hungary, Slovakia, Czech Republic, Ireland, Lithuania, Israel, Denmark, Norway, Sweden, Canada, Australia, Netherlands, Korea, Turkey, Mexico, Ukraine, Romania, Columbia, Thailand, Singapore, Malaysia etc. Please choose the shipping methods for the final price.

Payment accepts PayPal,Credit Cards,Wire Transfer,Westem Union, YandexMoney,Webmoney,Boleto,OXXO and BKM as secure payment methods.

The most convenient payment method in the world.
Wire transfer
For orders which exceed $1,500,please contact us at
Note: please email us the order number,the amount transferred along with currency type,and the exact date of the wire transfer.
Western Union
Please contact us at for details.
Note: please email us the following information after you have paid via Westem Union:
· Control Number(10 digits)
· The exact amount sent along with the currency
· Name of sender.
· Address of sender
YandexMoney、 Webmoney
With YandexMoney and Webmoney, it is convenient and safe for you to pay via credit card、wallet or cash
For Brazil customers, we accept Boleto: you only need to fill in the payment information, remember your Boleto Voucher information and pay it within 3 days at any Boleto stores.
For Mexico customers, we accept OXXO: you can choose OXXO payment on our website, and then remember your OXXO Voucher information and pay it within 3 days at any OXXO stores.

Do you want to bulk buy ? Please submit your wholesale inquiry below. Please note we usually don’t offer free shipping on wholesale orders, but the wholesale price will be a big bargain.

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