Save big on our app!
Ship to / USD
Live Chat
  • • Available 24/7 for Pre-sale or Aftersale. Fast and convenient.
  • • More exclusive discounts.
  • Need help before making an order?
  • Chat with us in real-time.
  • For Aftersale issues, just submit a ticket. We will reply within 24 hours.
  • All Categories
  • Mobile Phones
  • Tablet PC & Accessories
  • Consumer Electronics
  • Computers & Networking
  • Electrical & Tools
  • Apparel
  • Bags & Shoes
  • Toys & Hobbies
  • Watches & Jewelry
  • Home & Garden
  • Health & Beauty
  • Outdoors & Sports
  • LED Lights & Flashlights
  • Automobiles & Motorcycle
  • Baby & Kids
  • Office & School Supplies
  • Appliances
  • Gaming

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

 -  BLACK 128111702

Dispatch: Ships on Jul 26

Additional Purchase Deal: For any Item Total over 20.00, purchase 1 Special Promo Item for 3.99,4.99, Discounts are automatically applied to your shopping cart before checkout. View Promo >>
$6.73 In stock
QTY: - +



to United States  Via Flat Rate Shipping
    • Description
    • Product FAQ
    • Customer Reviews
    • Shipping & Payment
    • Wholesale Inquiry


    >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


    Guess you like

      Customer Questions & Answers

      • By  KSK May-14/2016 11:05:00

        KCX - 045 LCD USB Voltage Current Detector Battery Capacity Tester for Phone Mobile Power Bank - BLACK 128 in STOCK ???


        Hello KSK,
        Yes, we have stock, please feel free to order it.
        Best Regards

      • By  Jonatan Mroczek Mar-16/2016 03:03:45

        Hello, does this tester supports quick charge 2.0


        Hi Jonatan,

        Thank you for your inquiry.

        It is not support the quick charge.
        Support to check the USB device,if the customer's quick charge device with USB interface (USB, USB 1.1 and 2.0 USB1.0 interface) can be detected.

      Ask a question

      Ask a question about this product Pre-sale questions like product information,how to use, etc.
      Ask a customer service question Post-sale questions like order trackings, payment & delivery issues,etc.

      Post PhotosCustomer Photos

      Post Videos Customer Videos

      Customer Reviews

      Overall Customer Rating:

      4.9 228 Customer Reviews

      Share your thoughts with other customers

      Write a Review, Post Images, or Post Videos, and get G Points

      • Great product / Top quality!!! 5*

        From Ricardo Jul 20,2017

        Works great! No problems detected! 5*

        No cons! Buy it if you need a voltage teste for usb ports!

        Is this helpful? Yes 0 No 0

        Price 5

        Ease of Use 5

        Build Quality 5

        Usefulness 5

        Overall Rating 5

      • current voltage tester

        From Veiko Jul 19,2017

        works nicely out of box nice clear big numbers easy to use

        might be a bit bulkier, ive seen smaller versions

        Is this helpful? Yes 0 No 0

        Price 5

        Ease of Use 5

        Build Quality 5

        Usefulness 4

        Overall Rating 5

      • Nice tester

        From Dim Jul 15,2017

        Very useful Nice lcd quality


        Is this helpful? Yes 0 No 0

        Price 4

        Ease of Use 5

        Build Quality 5

        Usefulness 5

        Overall Rating 5

      • KCX - 045 LCD Current Voltage Tester

        From Ал Jul 13,2017

        Вся информация сразу на дисплее.Всё читается отлично!Особо можно отметить измерение переданной-принятой емкости(в mAh)-полезно при зарядке -разрядке аккумулятора.Точность измерений очень даже неплоха.Отличная сборка корпуса

        Не выявил

        Is this helpful? Yes 0 No 0

        Price 4

        Ease of Use 1

        Build Quality 1

        Usefulness 1

        Overall Rating 5

      • Importante

        From Allan YH Jul 11,2017

        Ele é bem para ver se o carregador está mesmo oferecendo a corrente e voltagem correta


        Is this helpful? Yes 0 No 0

        Price 5

        Ease of Use 5

        Build Quality 5

        Usefulness 5

        Overall Rating 5

      228 Customer Reviews >

      Shipping & Payment


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

      Item processing time
      After confirming your payment, we usually ship products out within 24 business hours. However, sometimes due to large transaction volumes or other order issues, we may require up to 3 working days to process orders. You will receive a notification email as soon as your product(s) have been dispatched.
      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% 20.8% 60.9% 5.13% 19.2
      Spain, United Kingdom, Italy, Germany, France & Portugal 1.62% 41.09% 43.26% 5.71% 19.9
      Netherlands, Greece, Poland 5.59% 44.44% 35.84% 13.00% 18.76
      Russia 0% 11.20% 68.50% 15.80% 24.6
      Japan, Korea 0% 21.30% 68.80% 9.66% 15.95
      Brazil 0% 0.00% 17.96% 54.14% 38.6
      Thailand, Singapore & Malaysia 0% 15.50% 45.75% 21.36% 19.03
      Other countries 0.73% 40.41% 49.93% 8.92% 20.28
      Priority Line United States 49.90% 46.30% 0.93% 0.06% 8.3
      Spain, United Kingdom, Italy, Germany, France & Portugal 5.55% 74% 19% 0.38% 10.8
      Russia 0% 0.75% 88.30% 9.05% 20.04
      Australia 7.67% 86.60% 5.68% 0% 11
      Korea 77.01% 21.40% 1% 0% 5.6
      Japan 95.80% 2.09% 0% 0% 5.4
      Thailand, Singapore & Malaysia 58.96% 41.04% 0% 0% 8
      Other countries 40.75% 49.96% 5.13% 0% 10
      Expedited Shipping ALL countries(EMS) 39.85% 50.09% 8.96% 0% 9
      ALL countries(DHL) 90.15% 9.84% 0% 0% 4.48
      EU 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.

      Payment accepts PayPal,Credit Cards,Wire Transfer and Westem Union 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
      Your Target Price:
      Order Quantity:
      Your Name:

      Your Tel:

      (please include country code)

      Company Name:
      Detailed Inquiry Information:

      *Please let us know as much as possible about your inquiry so that we can assist you with your specific needs. We are always happy to help wherever possible.

      Your Recently Viewed Items

      See personalized recommendations

      Sign in

      New customer? Start here

      Destination Country:


        Stock in: China

        Available shipping methods:

        Please note: the standard and expedited shipping costs are only estimates; the actual shipping price will be shown on the order page.