KCX  -  045 LCD USB Voltage Current Detector Battery Capacity Tester for Phone Mobile Power Bank
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KCX - 045 LCD USB Voltage Current Detector Battery Capacity Tester for Phone Mobile Power Bank

- BLACK 128111702

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>br / >A Must-have Device to Know Current and Voltage!
Wait to know why your USB charging is slow and take forever time? This cute device is what exactly you need - To show you the USB charging current and voltage instantly. KCX - 045 Current and Voltage Detecor is an excellent testing and troubleshooting tool to check the performance of USB power sources on your computer, cellphone, or mobile power supply. It adopts new generation integrated circuit board with precision reference source, providing accurate measuring and stable performance. Made of high-grade material, it also resists interference and heat and thus is reliable and durable. Featuring plug-and-play design, it is easy to use. Don't hesitate to get one! You won't regret it!

Adopt intelligent USB IC texting technology, quickly show the charging status
It can test current and voltage of phone, mobile power bank etc.
With USB interface, convenient to test devices
With LCD screen, easy to see the current and voltage of the devices
Press the small circle button and the data will be zero, then you can test next data

1. Input Voltage: 3 - 7V
2. Input Current: 50mA - 3500mA
3. Capacity: 0 - 19999mAh
4. LCD show voltage and current simultaneously
5. Save data each time power off
6. High precise current calibration function
7. High and low voltage alarm


Product Details

Model: KCX - 45
Design: Professional
Feature: Portable
Interface: USB2.0
Product weight: 0.0230 kg
Package weight: 0.0700 kg
Product size (L x W x H): 8.00 x 2.70 x 1.50 cm / 3.15 x 1.06 x 0.59 inches
Package size (L x W x H): 9.00 x 4.00 x 3.00 cm / 3.54 x 1.57 x 1.18 inches
Package Contents: 1 x Current Voltage Meter

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Customer Reviews

4.9 out of 5
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See all 288 reviews Write a Review
  • Jānis Baumanis
    Yes (1) Color: Black
    Must have when looking for cause of USB power issues
    Small and cheap but unbelievably useful gadget when one is trying to determine why his phone or music player is charging so slow. It also has some other useful capabilities such as USB power consumption monitor and power bank capacity meter. Detector itself is very well built, precise and has easy to see numbers on screen.

    In my case the usefulness of KCX-045 was proven straight out of the box. The USB cable, which I blamed before, was not the real cause of phone charging slowdown. The real culprit was USB ports in computer which was able to give only 0.5A charging current. Switched to charging from power adapter of WSX / MX X6A battery charger (in picture) and now phone is charging really fast.
    - Numbers on display become translucent when looking to screen in step angle from above.
    - Blocks second USB port when plugged in one of socket of 2 USB ports.

    Jun 14,2016

    Yes (0) Color: Black
    тестер зарядников
    вообщем подтыкаем этот тестер к заряднику от него к телефону, планшету и узнаем сколько выдает зарядник, не просидает ли напруга. Ёмкость батареи тоже покажет. Все вроде верно, сравнивал с подобными тестерами. Единственное что не понятно что такое ваты, точнее что измеряет либо мощность самого зарядника или сколько он потребил ватт из сети 220. Ещё есть одна фишка которую я раньше не встречал может запоминать до 10 значений ёмкости батареи, это удобная штука, переключатся- дважды жмем как левый клик мыши начинает мигать индикатор выбираем слот в котором сохранить показания, и опять двойной клик. Спасибо гербест!

    Jun 19,2017

  • Oleg
    Yes (0) Color: White
    KCX - 045 LCD USB Voltage Current Detector Battery Capacity Tester
    Покупал за 380 рублей.
    Проверил на 2х амперном блоке питания от планшета ASUS, сам планшет, оригинальный провод Xiaomi покупал тут http://goo.gl/mcwro7 пропускает максимальный ток 1А и оригинальный провод LG покупал тут http://goo.gl/Cr9h9u пропускает максимальный ток 1,8А.
    Тестер отображает такие параметры:
    - Напряжение
    - Ток заряда
    - Мощность
    - Емкость заряда
    - время заряда
    Имеется 10 ячеек памяти. Все переключения режимов осуществляются 1 кнопкой.

    Feb 17,2016

  • Lubomir Kalchev
    Yes (2) Color: Black
    As Good as It Gets
    1. Extremely accurate device.
    2. There is a deviation of the measurement of 1-2% only if you reach the end of its capabilities ( 3 - 3.5A input)
    3. As far as you use it typical occasions (350mA - 2000mA) it is dead on sharp !
    4. There is a reason being that accurate is the "HOLTEK LCD controller" on the bottom of the board.The same microcontroller was partially spoiled by the cable in "KCX - 017". But in "KCX - 045" there is nothing to mess with good job of "HOLTEK LCD controller" !
    1. It's wasn't that cheap, when I bough it :-)
    2. The package is just a plastic bag
    3. It's a Must Have Scenario !

    Jun 13,2016

  • carpath578
    Yes (0) Color: Black
    USB voltage/current/battery capacity tester...
    wow! all these features in a so smart, simple to use device is very usefull...you can check any USB port with it, and believe me, checking USB ports before use (at least on first use) is important because you can really burn your phone and even your house with a bad USB charger, and don't believe you will never have a bad charger, you can find them everywhere..
    Conclusion: very usefull, well made, quality materials & finish, simple to use, full of capabilities, really nice display, excellent price!

    Jun 22,2017

  • Maciej
    Yes (0) Color: Black
    USB Voltage Tester from GearBest.com
    For that kind of product this one here is like Porsche.
    If you want to check the current charging or check your charger (is still good enough?) this voltage tester is best to do that.
    Quality is awesome. LED screen is small but very convenient. Numbers and letters are legible.
    Very useful tool. I recommend.
    Thanks GB for a quick delivered.
    Nothing. None. Nada.

    May 19,2016

  • Roman
    Yes (0) Color: White
    USB Тестер заряда
    Очень удобный гаджет, позволяет контролировать заряд мобильных устройств и всего что питается от usb.
    10 ячеек памяти, отображает mAh, время зарядки, вольтаж и амперы на выходе. На входе показывает только вольтаж, если не подключен потребитель!
    Очень полезная вещь, всем рекомендую!

    Oct 07,2017

  • Mike
    Yes (0) Color: White
    Great little thing
    Seems very precise. measures all relevant charging parameters.
    Great Build quality, very durable.
    Instruction for use:
    1. Short button press, change between mah, W and Time values
    2. Long button press, clear memory and go to next memory place.
    3. 2 short presses, blink mode for memory reading, one short press next memory without deleting, 2 short presses stay in that memory.

    Feb 26,2016

  • Valery
    Yes (0) Color: White
    USB Tester
    This device shows your USB output voltage and charge rate when used in-line with a charger.
    The best part is that it will also show the capacity and charge status of your battery.
    Absolutely essential for anyone who needs to store batteries at a nominal charge. Recommended.

    Jul 22,2015

  • Alberto
    Yes (0) Color: Black
    Strumento utilissimo
    Strumento utilissimo per tenere sotto controllo il voltaggio che scorre tra una sorgente ed un dispositivo. Dispone anche di un circuito di protezione che evita i sovraccarichi di corrente, salvando il dispositivo collegato. Un'altra comoda particolarità è quella di segnalare gli effettivi mhA accolti dal dispositivo, in modo da conoscere la vera capienza dell'accumulatore. Ottimo!
    Non ho rilevato alcun tipo di difetto o problema.

    Jan 30,2017

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