Best Usb Tester 2021 - Top 10 Picks

This is the ultimate buyer's guide to finding the right usb tester to suit your needs. We review the 10 bestusb tester on the market so you know that your next decision will be a smart one!

When you're trying to select the good usb tester, there are a lot of factors to consider. This page has everything you need to know in one place.

This guide will help you avoid the pitfalls that come with researching usb tester.

You don't have to try out every usb tester to find one that meets your needs. After extensive research and hours of in-person tests, we've found the best usb tester to be Klein Tools ET920 USB Power Meter, USB-A and USB-C Digital Meter for Voltage, Current, Capacity, Energy and Resistance. There are a lot of sub-par products out there, but this product is one of the highest quality you'll find. Next best option is USB C Tester,KJ-KayJI 2 in 1 Type C USB Tester Color Screen IPS Digital Multimeter(2021),Voltage,Current,Power,Temperature,Capacity Detector,with Clip Cable Support PD2.0/PD3.0,QC2.0/QC3.0,BC1.2.

Choosing the usb tester can be a daunting task, especially if you're doing it for the first time. Here's what we recommend based on our extensive research. We've compiled a list of the highest rated usb tester. The following products are some of the best you can get right now.

List of Top 10 Usb Tester

Review of Best Usb Tester

1. Klein Tools ET920 USB Power Meter, USB-A and USB-C Digital Meter for Voltage, Current, Capacity, Energy and Resistance

  • 3 to 20V DC; Current: 0.05 to 3A (USB-A); 3 to 20V DC; Current: 0.05 to 5A (USB-C)
  • Continuously monitor up to 1000 hours of voltage, current, capacity/charge delivered, energy, and resistance (calculated)
  • Tests most common standard USB-A or USB-C ports, including Qualcomm Quick Charge ports
  • Store and recall up to 10 readings
  • Voltage and current overload detection

2. USB C Tester,KJ-KayJI 2 in 1 Type C USB Tester Color Screen IPS Digital Multimeter(2021),Voltage,Current,Power,Temperature,Capacity Detector,with Clip Cable Support PD2.0/PD3.0,QC2.0/QC3.0,BC1.2

  • 【Latest Upgraded USB C Power Meter Tester】:Maximum voltage Current 32V/5.1A/150W,The multimeter tester can monitor Voltage,Current,Capacity,Electric Quantity,Power,Temperature,Resistance,Charging Time and other data of the USB or type C Port Devices.A Must Gadget checks the charging performance(charging speed and quality) of the output wall/car/solar panel chargers and USB charging cables.It can be also used test capacity and electric energy of power bank.
  • 【Latest Upgraded IPS Color Display Screen】: New upgraded version offers 8 IPS main color screen display interfaces,allowing switching the display interface by pressing the key.With the new interface settings,this instrument can monitor voltage,current,capacity,electric quantity,power,load impedance,D/D- voltage and other data of USB.Click the button to switch in multiple interfaces.(Supports flipping the screen to 180 degree, and 3 kinds of personalized interfaces!)
  • 【Test Power Bank Capacity】Before testing the power Bank,please fully charge the power bank,insert the tester and double-click to clear the data,then connect the load or mobile phone (continuous discharge is required).ensure that the discharge voltage is 5V or 9V.(mAh is multiplied by 1.35 when discharge voltage 5V, and mAh is multiplied by 2.45 when discharge voltage is 9V, which is equal to the exact capacity of the battery of the power bank.)
  • 【WIDE RANGE OF APPLICATION】: The USB tester comes with A OTG adapter, supports PD3.0/PD2.0, QC3.0/QC2.0,BC1.2 and USB A or USB C port,supports the updated iPhone 11 Pro mobile phone.(Support iphone 11/X/iPhone Xs quick charging, 29W power, 5V3A / 9V3A / 12V2.5A / 15V2A).Compatible with new MacBook Pro, MacBook, iMac, iMac Pro, Dell XPS, Acer Aspire, HP Spectre, ASUE Zenbook , Lenovo Thinkpad, Eluktronics, Razer Blade Stealth, Chromebook, Microsoft Surface Pro and more Type C devices and chargers
  • 【Important Tips and 18 Month Warranty Service]】:When your device does not have a USB port, you can use an alligator clip to clamp the positive and negative poles and convert to USB before testing. When your USB-C device cannot be tested, please insert a small adapter, the small adapter will start the tester. If you receive a defective USB tester or if you have any questions, please contact us first to obtain a valid warranty replacement service for replacement or other assistance.

3. USB C Tester, 3 in 1 Type C DC5.5 USB Tester USB Load Color Screen IPS Digital Multimeter,Voltage,Current,Power,Resistance,Capacity Detector,with Clip Cable Support PD2.0/PD3.0,QC2.0/QC3.0

  • High PrColor screen - 8 interfaces - Support USB, Type-C, DC5.5, micro USB. It can measure the voltage and current changes during the operation/charging process of various DC inverters such as mobile phones, notebooks, desk lamps, routers, set-top boxes, etcracy display. Its measurement accuracy reaches 0.00001.
  • Wide Applications:With the USB tester, you are able to test notebooks, car emergency power supplies, routers and other DC products, monitoring current, voltage, power, capacity, power and other state of charge in real time.
  • The tester and mobile phone enable to realize APP. And charging status, various measurement data & graph can be transmitted and viewed on your phone. You can switch different measurement interfaces by pressing the button.
  • Multi Functions:Functions include screen flip, fast charge recognition, energy capacity detection, temperature measurement, accuracy measurement, two-way current measurement and other data tests(temperature probe is not included).
  • Safety Protection:Featured with over-voltage protection, over-current protection, low-voltage protection, charging time setting and auto-off function, the meter can detect safely and maximally protect the appliances from damaging.

4. MakerHawk USB Power Meter Tester, Bluetooth USB Tester, Type-C Current and Voltage Monitor, USB Safety Tester, PD Battery Capacity Meter, Digital Color LCD Display Multimeter

  • Supports Type-C interface full transmission compatible with PD protocol and Qualcomm QC3.0/4.0 protocol: One table is compatible with multiple protocols for fast charging, supporting multiple protocols such as PD QC2.0 QC3.0/4.0 MTK. Supports 360-degree arbitrary rotation of the screen to meet any angle reading.
  • Notebook Charging Measurement: When the notebook is powered, prepare two Type-C cables, one for connecting the power supply to the watch, and one for connecting the watch to the computer to measure the charging data of the notebook. The notebook can be used to measure high-power notebooks and monitor the aging of the battery. Laptop fast charge effect.Multi-screen interface design, and full help menu, no need to read the instructions.
  • Voltage, current curve - online mobile phone, computer: automatically change the range within 0.00A-3.00A measurement range, real-time display of fluctuations. In addition, you can press the "Next Page" button to switch to the voltage measurement waveform diagram, automatically change the range within the range of 4.5V-24V measurement, real-time display of voltage fluctuations.
  • Note: 1. For Android APP: A: APP only support android 5.0 and above. B: Allow APP to do in the background, not be cleaned. C: Allow APP self-starting. D: Allow APP stay after screen locked, not be cleaned. 2. PC software support PC window(Win 7 and above).

5. Eversame 2 in 1 Type C USB Tester Color Screen LCD Digital Multimeter, USB C Voltage Current Voltmeter Amp Volt Ammeter Detector USB Cable Charger Indicator DC3.6-30V/0-5.1A

  • UPGRADED MULTIFUNCTIONAL USB C POWER METER: Detects the charging status and process of your USB-enabled or type c-enabled devices. Supports QC3.0, QC2.0 and BC1.2. A Must Gadget checks the charging performance (charging speed and quality) of the output wall/car/solar panel chargers and USB charging cables. It can be also used to find the highest current of the Wireless Charger, and test capacity and electric energy of power bank.
  • PROFESSIONAL SAFETY GUARD: Featured with over-voltage protection, over-current protection, under-voltage protection, low energy protection and alarm system. This upgraded USB Type C tester can detect safety and maximally protect the appliances from damaging. It will cut off output automatically and alarm by sound, while it will save data when power off suddenly.
  • MULTIPLE COLOR SCREEN DISPLAY MODES: New upgraded version offers 8 LCD main color screen display interfaces, allowing switching the display interface by pressing the key. With the new interface settings, this instrument can monitor voltage, current, capacity, electric quantity, power, load impedance, D+/D- voltage and other data of USB.
  • WIDE RANGE OF APPLICATION: Thanks to the PD protocol quick charging mode measurement technology, this new multimeter supports the updated iPhone X mobile phone. (Support iphone 8 / 8P / iPhone Xs quick charging, 29W power, 5V3A / 9V3A / 12V2.5A / 15V2A). It also can be applied to test other type C devices, Compatible With Galaxy S10/S9/Note 10 +, ChromeBookPixel, OnePlus and More.
  • EVERSAME PROMISE: We have always believed that a stable and continuously improve product quality. We trust our products and we offer worry-free 18-month. For any reason you are unsatisfied with our product, just feel free to contact support for exchange or refund. WHAT WE PROVIDE: 1X USB Tester. (Note: If the USB Tester doesn’t display any parameters, please insert the small adapter being sent with the package into the side hole on the USB Tester, to trigger the PD Charging Function. )

6. USB Tester Type C Meter - USB Digital Multimeter Amperage Power Capacity Reader & USB C Current Voltmeter & Voltage Monitor Tester & Amp Amperage Charging USB Detector Checker DC 0-30V/0-6.5A

  • USB Color Display Tester can monitor Voltage, Current, Capacity, Electric Quanity, Power,Temperature,Load Impedance, D+/D- Voltage, Charging Time and other data of USB, and supports Qualcomm QC3.0 compatible QC2.0, Bc1.2, and Apple 2.4A and other protocol quick charging voltage ranges, support OTG fucntion.8192 Pixel TFT Color Display ,Two in one measurement of USB and Type C.Timed charging sound reminder and full charge sound reminder.When the power is > 0.5W, the time will be calculated!
  • 1.USB-C male head replacement cost of copper pin contact plug better, tighter current data more reliable. 2.The screen 180 degrees flip display settings function, to adapt to some chargers using inverted display as a positive display. 3.the OTG protocol of Type-C can open the OTG digital function by inserting a random embedded Android switch head in the upper left corner of Android line.
  • 4.The interface settings such as overvoltage, low voltage, overcurrent, backlight time, etc., and switch to the corresponding interface at the short button at the front desk, set up by adding double or three strokes. 5.The built-in PD protocol can open the Type-C interface with the PD protocol's intelligent charger unloaded power output display, so as to facilitate aging and testing. 6.The PD protocol quick charging mode measurement.
  • 7. the built-in PD protocol can open the Type-C interface with the PD protocol's intelligent charger unloaded power output display, so as to facilitate aging and testing. 8.the PD protocol quick charging mode measurement that supports the updated apple X mobile phone. (support iphone 8 / 8P / apple X / MacBook quick charging, 29W power, 5V3A / 9V3A / 12V2.5A / 15V2A)
  • Note: 1. This is no communication version. 2. PC software support PC window(Win 7 and above) and Android Phone(Android 5.0 and above, support 12 kinds language(Chinese, English, Russia and so on), When it is connected to the Type-c charger alone, it will not be displayed if the device is not connected. The Type-c interface cannot be displayed if it is connected to the PD power supply alone. It needs to be connected to the mobile phone charger for normal output

7. MakerHawk USB 3.0 Tester, USB Power Meter, 3.7-30V 0-4A Voltage Tester Multimeter, USB Current Meter Tester, IPS Color Display Voltmeter Ammeter, USB Charger Tester AT34

  • Guide Video: Testers are widely used in the quality inspection of 3C digital peripheral products, and are the first choice for digital gamers and electronic enthusiasts.Real-time detection of the state of charge of the appliance, voltage, current, power and other indicators at a glance; Measuring voltage: 3.7V-30V; measuring current: 0-4A.
  • The AT34 uses a 0.96-inch IPS high-definition color LCD display to display the state of charge of the appliance, voltage, current, capacity, energy, power, equivalent impedance, temperature and other indicators at a glance. 160 degree wide viewing angle, high brightness and long working life. Fast charge recognition, widely compatible: AT24 supports QC2.0, QC3.0, i Phone 2.4A/2.1A/1A/0.5A, Andriod DCP, fast charge protocol identification, let you know the state of charge of the phone.
  • Power-off storage, data is guaranteed: AT34 has power-off storage function, which can store capacity and energy data when the mobile power is cut off, which is convenient for subsequent viewing and convenient for capacity energy measurement of mobile power.Note: Other USB testers that do not have a power-down storage function cannot test capacity and energy.
  • 4-bit accuracy for more accurate measurements; Measure the load equivalent impedance and power; Thermometer function, Celsius and Fahrenheit free switching: Using high-precision thermistor sensor; USB 3.0 interface: Compatible with USB 2.0, support high current test, support USB3.0 interface mobile hard disk and U disk test.
  • Measure the quality of the charger: connect the same load, compare the no-load and the load, the greater the voltage drop, the worse the charger capacity is, the worse the quality; the voltage drop is not obvious or the voltage rises (leisure loss) Compensation function) The better the load capacity of this charger, the better the quality.

8. DROK-300043 Digital Multimeter USB 2.0, Multifunctional Electrical Tester, Capacity Voltage, Current Power Meter Detector Reader with Dual USB Ports, LED Display, 7 Modes

  • 7-MODE USB MONITOR ---- Voltage measuring range DC 3. 20~30. 0v; Current measuring range 0. 00~3. 00A (10A max); Other measuring parameters: Capacitance, power going to your phone/battery pack. With 7 mode, one button to operate.
  • MULTIFUCNTION ---- Can be used for capacitance checking, capacitance clear, over voltage and under voltage alarm, over-current, and short circuit alarm, easily test the power/quality of the chargers and USB cables.
  • DUAL USB OUTPUT ---- Two USB output available, can be used simultaneously. Output I: be used for device charging and data transfer; output II: only for charging mobile phones, tablet PCS and etc. Output I Support QC 2. 0 9V & 12V charging, but don't insert any device in Output II when using QC 2. 0 Charging.
  • DUAL COLOR LED ---- With red and blue dual bright color LED display, easy to monitor the charge voltage and current of digital USB devices to ensure the optimal charge rate.
  • 100% RISK-FREE SATISFACTION ---- DROK offer you 100% risk-free satisfaction to let you buy with confidence.

9. USB C Power Meter Tester, Eversame USB Voltmeter Ammeter Load Tester with Braided USB C to USB C Cable(1.5Ft/50cm) - Test Speed of Charger Cables - PD 2.0/3.0 QC 2.0/3.0/4.0

  • 【MULTIFUNCTIONAL TOOL】: Support quick charger recognition; data wire resistance value testing; QC2.0/QC3.0, Voltage/Current/Power Detection; data store; cable impedance measurement. Automatically recognize QC multiple protocols such as PD QC2.0 QC3.0/4.0 MTK. Allows you to check the charging performance of the output wall/car/solar panel chargers and USB charging cables. It can be also used to find the highest current of the Wireless Charger, and test capacity and electric energy of power bank.
  • 【WIDE RANGE APPILCATION】: Widely used in the quality inspection of digital devices with Micro USB and Type C peripheral. Great for testing and getting real draw ratings on various chargers and equipment, such as PC/Laptop/Desktop Computer/Mobile Phone/Power Bank/Charger/Discharge Load/Car Charger/Cable. With this tester, you can see clearly what was happening when charging various USB devices, ranging from iPhones, to Tablets and batteries.
  • 【BRIGHT COLOR DISPLAY INTERFACE】: 1. Measurement Main Interface 2. Quick Charge Identification Interface 3. Data Recording Interface 4. Wire Group Impedance Measurement Interface 5. Voltage Graphing Interface 6.Current Graphing Interface 7. Settings Interface. Voltage measuring range 4.5-24V; current measuring range 0-3A.
  • 【UNBEATABLE DESIGN】: 1.44'' LCD display with screen display rotating function design; 4 operating buttons and 5 connected ports. Plug robust coating with the gold-plated USB contacts can resist scratch, stain and damage. (Note: If the screen doesn't function or turn on/off frequently while it's connected to the power supply, please flip the connector of the USB C Cable to confirm if it can work correctly. For energy-saving, the lights on the screen will go off after 30s.)
  • 【ADDITIONAL BONUS】: Come with an ultra-durable nylon-braided USB Type C to USB Type C Cable(50cm), allows you to detect your USB Type-C enabled devices (Chromebook Pixel, Galaxy S10, Note 10/9etc.) more conveniently. Your package includes 1 pack USB tester (no Bluetooth) & 1 pack USB C to USB C Cable(50cm)(USB Load Tester is Not included.)【EVERSAME PROMISE】: We trust our products and we offer worry-free 24-month in case of defective product and friendly customer service.

10. DLG Clamp On Ground Earth Resistance Tester With USB Connection DI-120

  • USB Connection for Data Uploading with software applicable in window 2000 / window XP / window Vista / window 7 ( NOT available for window 10 currently)
  • Ground resistance measurements from 0.01Ohm to 1000Ohm with 0.001Ohm resolution
  • 55*32mm jaw size for larger ground rods instead of round jaw
  • Datalogging with 99 data points
  • Large size of LCD by 1.8*1.1 inch

Last update on 2021-12-02 / Affiliate links / Images from Amazon Product Advertising API

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