Home » Best Usb Tester in 2021 [*Top Picks*]

Best Usb Tester in 2021 [*Top Picks*]

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Looking for the best usb tester on the market? We’ve got you covered. Check out our ratings of absolute bestsellers below and make a final decision.

2232 Reviews Scanned

Bestseller No. 1
USB C Tester,KJ-KayJI 2 in 1 Type C USB Tester Color Screen IPS Digital Multimeter,Voltage,Current,Power,Resistance,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.
Bestseller No. 2
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
SaleBestseller No. 3
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 (1PCS)
  • 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.
Bestseller No. 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.
  • 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).
Bestseller No. 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. )
Bestseller No. 6
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 parameter: 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.
Bestseller No. 7
USB 3.0 Power Meter Tester USB load Digital Multimeter Current Tester Voltage Detector DC 30.00V 4.000A Test Speed of Charger Cables QC 2.0/3.0 AP 2.4A (AT34+Load(FREE delivery))
  • 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-30.00V; measuring current: 0-4.000A.
  • 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: AT34 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.
  • 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.
  • Package:1 X USB Meter, 1 X USB load ( 5V , 1A or 2A ) , 1 X Quick Tour. We offer User Manual PDF at the product detail page and could be downloaded if needed, 180-days Warranty.
  • Get Manual from forum.avhzy.com
Bestseller No. 8
Diymore USB Charger Doctor Current Voltage Charging Detector Battery Voltmeter Ammeter Multimeter USB Tester Mobile Power Panel Monitor Gauge DC LED Display
  • The tester uses a new generation of power four semi~ double loop integral converter IC , with a precision bandgap reference , range accuracy , high precision , stable and reliable performance , strong anti~interference ability.
  • High temperature can be used for measuring USB powered or power consumption of the interface , mobile phone charger , U disk and other products.
  • Can easily measure the operating current of the output voltage of the USB port and equipment.
  • Smallsize , no power , and other ancillary equipment, plug and play also detect USB charger output voltage and current are standard suitable for factories, Laboratory and users.
  • USB powered devices can be used to measure air , voltage loads , USB terminal equipment working voltage and current .
Bestseller No. 9
PowerJive USB Voltage/Amps Power Meter Tester Multimeter, Test speed of chargers, cables, capacity of power banks
  • Displays Current (Amps), voltage and capacity (19,999 mah)
  • Perfect for testing how fast a USB cable or USB power adapter charger is actually charging at
  • Can handle charging speeds up to 3.5A (3,500 ma) and 3v-7v
  • Store charging data in memory. Flashes to alert of low or high voltage issues
  • Test using a USB charger, battery power bank or Micro USB Cable. Test your iPhone or Android phone
Bestseller No. 10
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. 【Package Including】1 * USB tester (no Bluetooth) + 1*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.

Complete Guide to Buying the Best Usb Tester

Given how the market is literally overflowing with products to fit every purpose and budget, it’s only natural that deciding on the features that are indispensable in a quality usb tester appears somewhat challenging.

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Are you tired of overwhelming technical details? Do you feel like the manufacturers aren’t very specific about their specifications? We are here to help you navigate the confusing abundance and find your way to your own top usb tester out there.

Read below for a beginner-friendly usb tester buying guide to make a decision you won’t regret.

How to Pick the Best usb tester: Our Buying Guide & Tips

It’s a common scenario for confused shoppers to ask, “Who makes the best usb tester?”. While manufacturers differ and this is indeed an important parameter to take into account, we believe the following question to be more appropriate: What should I look for in a usb tester?

It’s only by being aware of all the possible features that you can see the whole picture and avoid frustrating cherry-picking. Here is the answer:

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Build Quality and Craftsmanship

Even if you are looking for an affordable usb tester, you don’t want it to stop working before the task is done.

Be sure to find out what this or that usb tester is made of and preferably scan negative reviews for potential weaknesses so that you can decide whether you can and should put up with those.

Ease of Use

Choose intuitive products that boast a well-thought-out design and just feel good in your preferred setting. Versatility is also important unless you want a dedicated solution, so think about the item’s potential scope as well.

Value-for-Money

Think about what you pay for if you choose a certain usb tester option. Is it the brand or the actual quality? Are all the bells and whistles in this premium model worth the extra money? It’s always up to you. And don’t forget to factor in the warranty — decent coverage could spare you some costs!

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How We Rate Each Usb Tester

Some buyers might be eager to get their hands as dirty as possible while looking for their next favorite, but others find the amount of research that goes into informed shopping rather daunting.

You can entrust the task to our rating system if you belong to the latter category. We gather vast amounts of data from usb tester ratings and customer feedback to synthesize them into all-around, up-to-date unbiased testimonials to highlight all the pros and cons of a given product.

At the preliminary stage, our system automatically analyzes customer reviews of best rated usb tester models. It utilizes efficient artificial intelligence tools to obtain as much first-hand product information as possible and categorize it into benefits and flaws with the help of sentiment analysis instruments.

As a potential buyer, you are probably anxious to know how we test each usb tester that we review. What we do is proceed to put each product through a series of stringent tests based on its presumed advantages and features generally seen as neutral.

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Maintaining an extensive and robust database enables usb tester comparison for those who have a difficult time choosing between different usb tester brands.

Generally, if you know what to look for in a usb tester and what price you can afford, the next step is to check customer rating for a selection of most-praised items to choose from.

You can read and compare usb tester reviews on your own or entrust it to our artificial intelligence-driven system. Whichever scenario you choose, make sure you are aware of any potential limitations and make the decision based on your purpose and budget.

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