KW203 USB Power Charger Current Voltage Detector Ammeter Voltmeter

- BLACK 152506701

$5.38
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KW203 USB Current Voltage Tester Power Charger
Are you still worried about the danger of explosion when your phone is charging? Don’t worry. This KW203 USB Current and Voltage Detector can help you master your device easily. Accurate readings, small deviation. Dual USB output ports can support charging or testing for two devices. It can easily measure the output voltage, operating current and the charge - discharge capacity of USB ( PC USB, phone chargers, car use chargers, external power supply etc. ).



Features:
- KW203 USB current and voltage detector for charging and testing your device.
- Test voltage: DC 3.2 - 10V, test current: DC 0 - 3A( maximum 10A ).
- Working current is less than 20mA.
- USB extension cable: About 130mm.
- Accuracy: 1 percent ( about 2 digits ).
- Working temperature: -10 - 60 Celsius Degree.
- LED size: 0.94 x 0.39 inch.
- Small in size, convenient to carry , easy to use.
- With dual red digital screen, can display the current and voltage of power supply equipment.
- Dual output port, output I is for data transmission and charging, output II is only for charging.
- Plug and play, operation is easy, made of high quality material, durable.
- Compatible with mobile phone, tablet, PC and other USB devices.









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Customer Questions & Answers

  • All(2)
  • Product Information(2)
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Q

Hi, Is this detector able to measures Amper and Voltage from Quichargers 3.0 (5V-3A / 9V-2A / 12V-1.5A) ? Thank you -- AM

By Angelo May-15/2018 11:07:50

A

Hello Angelo,


Yes.

Q

Will this measure the mah/capacity of device batteries?

By Richard Nov-27/2016 02:28:44

A

Hello Richard, 

Thank you for your inquiry.

Yes, this product can measure mah/capacity of device batteries.

Q

Hi, Is this detector able to measures Amper and Voltage from Quichargers 3.0 (5V-3A / 9V-2A / 12V-1.5A) ? Thank you -- AM

By Angelo May-15/2018 11:07:50

A

Hello Angelo,


Yes.

Q

Will this measure the mah/capacity of device batteries?

By Richard Nov-27/2016 02:28:44

A

Hello Richard, 

Thank you for your inquiry.

Yes, this product can measure mah/capacity of device batteries.

2 Questions & Answers View All>

Customer Reviews

4.89 out of 5
  • 17
  • 2
  • 0
  • 0
  • 0
  • Vorona
    KW203 USB Current Voltage Detector
    Color:Black
    Pros:
    This KW203 USB Current and Voltage Detector can help you master your device easily. Accurate readings, small deviation. Dual USB output ports can support charging or testing for two devices. It can easily measure the output voltage, operating current and the charge - discharge capacity of USB ( PC USB, phone chargers, car use chargers, external power supply etc. )
    Cons:
    This product can measure mah/capacity of device batteries.

    Aug 09,2017

    Was this review helpful?

  • mircea81
    Good product
    Color:Black
    Pros:
    It works great. It is one of the few that measures up to 10V (meaning that it works with Fast Charging currents - 9V). Using it, I have discovered that the Galaxy line does NOT fast charge while screen is on. Google it and you will find articles about this.
    Cons:
    Output 2 doesn't work with fast charging. 5V is top

    May 15,2017

    Was this review helpful?

  • Gre Gor (grekstasy)
    Works as promised
    Color:Black
    Pros:
    +fast shipping
    +Body build quality
    +works as described
    +low price
    +can be used for measuring voltage
    Cons:
    -cable build quality
    -no cons found

    Nov 28,2017

    Was this review helpful?

  • Sebastian
    Excelent
    Color:Black
    Pros:
    I'm very happy with this purchase.
    It has 2 outputs, it shows amps and volts, and the very nice think is that it is working with quick charge 9V.
    Good quality!
    Cons:
    None!

    Apr 19,2018

    Was this review helpful?

  • Lawrence
    Tan
    Color:Black
    Pros:
    Good for monitoring V and A being drained into devices/ battery. Using it to monitor charging of flashlight rechargeable batteries.
    Cons:
    Suggest the USB cable attached be slightly longer.

    Jul 06,2018

    Was this review helpful?

  • EgorkA.
    kw 203usb detektor
    Color:Black
    Pros:
    USB детектор вольтметр -амперметр для проверки зарядных устройств. Вещь на мой взгляд очень полезная! Все соответствует описанию! Быстрая доставка.
    Cons:
    нет

    Dec 16,2017

    Was this review helpful?

  • Marvin
    KW203 USB Current Voltage Detector
    Color:Black
    Pros:
    Good USB Volage and Ampere meter. works great and the short cable is perfect to use.
    Cons:
    None

    Jan 30,2018

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  • Gwennael
    Controleur de tension USB avec deux sorties
    Color:Black
    Pros:
    Utilisé pour contrôler la charge de différente batteries usb et les tensions de sorties de panneau solaire portable. franchement très pratique et évites de tuer ses batteries sans régulateur automatique
    Cons:
    aucune

    Jun 26,2018

    Was this review helpful?

  • Joe
    Joe
    Color:Black
    Pros:
    It does what is should. It does what is should. It does what is should.
    Cons:
    no

    Dec 09,2017

    Was this review helpful?

  • Oleg
    Current Voltage Detector
    Color:Black
    Pros:
    Отличная штучка для проверки блоков питания. Ни один БП не выдал заявленный ток. Очень прост и нагляден в работе.
    Cons:
    не обнаружил.

    Sep 15,2016

    Was this review helpful?

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