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USB Voltage Current Capacity Detector Charger Tester
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USB Voltage Current Capacity Detector Charger Tester

- Steel Blue

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    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: Aug 17 - Aug 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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Main Features:
Real-time monitoring is convenient and practical
Keep track of charging process at all times
Premium LCD display for easy reading
● Portable size for easy carrying
● Compatible with various electronic devices to meet your different needs

● Voltage: DC 4 - 30V
● Current: 0 - 5A
● Time: 0 - 99 hours
● Power: 0 - 150W
● Capacity: 0 - 99,999mAh
● Electrical energy: 0 - 999.999Wh



Product weight: 0.0300 kg
Package weight: 0.0700 kg
Product size (L x W x H): 7.35 x 2.80 x 1.50 cm / 2.89 x 1.1 x 0.59 inches
Package size (L x W x H): 9.00 x 8.00 x 7.00 cm / 3.54 x 3.15 x 2.76 inches
Package Contents: 1 x USB Charger Tester
USB Voltage Current Detector Charger Tester- Steel Blue
USB Voltage Current Detector Charger Tester- Steel Blue
USB Voltage Current Detector Charger Tester- Steel Blue
USB Voltage Current Detector Charger Tester- Steel Blue
USB Voltage Current Detector Charger Tester- Steel Blue
USB Voltage Current Detector Charger Tester- Steel Blue

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Customer Reviews

4.87 out of 5
  • 64
  • 5
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  • 1
See all 70 reviews Write a Review
  • Ярослав
    Yes (0) Color: Steel Blue
    Этот USB-тестер можно уже назвать измерительным прибором
    Из ширпотребных дешевых "синих докторов", пожалуй, лучший тестер, за $2 с копейками - отличный вариант, чтобы следить за питанием и потреблением USB-устройств. В обзоре kirich'а на mysku рассмотрены преимущества перед ранними вариантами тестера: шунт меньше в 2 раза (0.025 Ом), для усиления сигнала применен операционный усилитель (выше точность), интегрирует (емкость/энергия) как положено (прога без глюков), пайка нормальная. Минусы: 1) корпус из ломкой пластмассы, при вскрытии легко повредить защелки; 2) торец корпуса широковат, не всюду влезет; 3) температуру меряет "свою" (у моего через несколько минут показывает на 3-4 градуса выше реальной); 4) может быть нелинейность при измерении или неточная калибровка. Время считает лучше 1% (точнее не проверял, лень ждать). На втором варианте USB-лампы Xiaomi на минимуме и следующем режиме показывает близкие результаты тока потребления (100 и 120 мА), позже проверю точность на малых токах. Надеюсь, особенность лампы. Конечно, по качеству измерения не сравнится даже с дешевым мультиметром, зато очень удобен в работе. Стабильность в показаниях - неплохо подходит для сравнительного анализа.

    Nov 07,2018

  • Billias
    Yes (0) Color: Steel Blue
    USB Voltage Current Capacity Detector Charger Tester
    Για την τιμή που το πήρα σε προσφορά, απλά καταπληκτικό.
    Μετράει volt, ampere, watt, δείχνει πόσες Wh και mAh έχει δώσει και μετράει το χρόνο και τη θερμοκρασία.
    Επίσης κάνει και για fast charging συσκευές.
    Και έχει 9 διαφορετικές θέσεις που αλλάζουν από το κουμπί reset και αν αλλάξεις θέση κρατάει τις προηγούμενες μετρήσεις.
    Το συστήνω ανεπιφύλακτα.

    Nov 26,2018

  • Pablo
    Yes (0) Color: Steel Blue
    tester usb per caricabatterie per controllo cavi
    pratico tester usb, non solo i 5 volt, consente di controllare anche le tensioni di 9 o 12 volt di caricabatterie veloci, segnala in contemporaneo tensione, amperaggio e tempi di carica il display è un po 'piccolo per tutte le funzioni da visualizzare, molto bello

    Nov 25,2018

  • Александр
    Yes (0) Color: Steel Blue
    USB доктор от Gearbest - USB Voltage Current Capacity Detector Charger Tester
    USB доктор от Gearbest - USB Voltage Current Capacity Detector Charger Tester
    Хороший товар!
    Отличное качество!
    Хорошая цена!
    Быстрая доставка!
    Рекомендую однозначно!

    Nov 20,2018

  • Ivan
    Yes (0) Color: Steel Blue
    one big disappointment
    i have got broken unit. it doesn't measure current and always shows "0.00A". support decided to send me 1$ instead of new workable device and lost me as potential client in future. Well. I like that I have just paid several $ for this knowledge and will continue to choose another shops for expensive purchases.

    Nov 11,2018

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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 Capacity Detector Charger 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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