20 Best Voltage Tester For Usbs of 2023 – Romance University

After hours researching and comparing all models on the market, Romance University finds out the Best Voltage Tester For Usbs of 2023. Check our ranking below.

2,324 Reviews Scanned

Rank No. #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

Rank No. #2

USB Meter Tester Voltage Current Tester Charger Doctor USB Battery Checker Voltmeter Ammeter Multimeter USB Tester Mobile USB Power Tester Monitor DC LED Display USB Port Tester

【 USB Tester Voltage Current Tester】 The USB checker can detects Voltage, Current, of the USB. Perfect phone charger tester of charging speed and quality. Measuring voltage: 3.0V-7.5V; measuring current: 0-2.5A.
【 Upgraded Color Display Screen 】 The current number is displayed in red and the voltage number is displayed in blue, large size letters which is clear and easy to read.
【 High Quality 】 The usb amp read 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.
【 Wide Range of Application 】 The USB voltage checker can measure USB powered or power consumption of the interface , mobile phone charger , U disk and other products. Easily measure the operating current of the output voltage of the USB port and equipment.
【 Small and Portable 】 Our Usb tester is smallsize and no power, just plug to detect USB charger output voltage and current.

SaleRank No. #3

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. )

Rank No. #4

MakerHawk USB Multimeter USB Voltmeter Ammeter Load Tester USB Voltage Current PD Battery Power Capacity Charger Type C Meter Tester LCD Display Cable Resistance QC2.0/3.0/4.0 N10 1.44 Inch Screen

[New upgrade]: The product supports two-way insertion detection, increases the current direction to indicate the direction, with a 1.44-inch large LCD screen, 4 operation buttons and 5 connection ports. The plug with gold-plated USB contacts has a strong coating to prevent scratches, stains and damage
【Wide range of applications】: It can measure all kinds of USB chargers/PC/laptop/desktop computer/mobile phone/power bank/charger/discharge load/car charger/cable. Support Type-C interface full digital compatible PD protocol/Qualcomm QC3.0/4.0 protocol One table is compatible with multiple protocols, fast charge supports PD QC2.0 QC3.0/4.0 MTK and other protocols
[New reminder function]: Temperature alarm: over 45°C, the temperature display will flash; Voltage alarm: less than 3.8V or greater than 30V, the voltage display will flash; Current alarm: greater than 3A, the current display will flash
[Flexible color display interface]: Supports 360-degree rotation of the screen to meet reading at any angle. You can rotate the screen by pressing the button corresponding to the horizontal menu bar. When plugged into various digital devices at any angle, positive readings can also be made, making the measurement more convenient
[Powerful after-sales service team]: As long as you have any questions about the product, we will solve your problem as soon as we receive your email. Your satisfactory purchase experience is our greatest hope! How to email us? Please click "MakerHawk-US" and click "Ask a Question" to email us! Looking forward to your consultation!

SaleRank No. #5

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

Multi-function tester: Real-time detection of the state of charge, voltage, current, capacity, electricity, power, equivalent impedance, temperature and other indicators of electrical appliances at a glance. Measuring voltage: 3.7V-30V; measuring current: 0-4A. The tester is widely used in the quality inspection of 3C digital peripheral products, and is the first choice for digital 3C digital game enthusiasts and electronic enthusiasts
Fast charging identification, widely compatible: AT24 supports QC2.0, QC3.0, i Phone 2.4A/2.1A/1A/0.5A, Andriod DCP, fast charging protocol identification, allowing you to know the charging status of your phone anytime, anywhere
Power-off storage, data guaranteed: AT34 has a power-off storage function, which can store capacity and power data when the mobile power supply is powered off, which is convenient for subsequent viewing and facilitates the measurement of the capacity and power of the mobile power supply. Note: Other USB testers without power-down storage function cannot test capacity and power
4-digit accuracy, more accurate measurement; measure load equivalent impedance and power; thermometer function, free switching between Celsius and Fahrenheit: 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. Adopt 0.96-inch IPS high-definition color LCD screen, 160-degree wide viewing angle, high brightness and long service life
Measure the quality of the charger: connect the same load, compare no-load and load, the larger the voltage drop, the worse the charger capacity and quality; the voltage drop is not obvious or the voltage rises (leisure loss compensation function). The better the load capacity, the better the quality

SaleRank No. #6

FNIRSI USB Tester 4-28V 7A LCD USB A&C Voltage Current Power Tester Multimeter with Bluetooth, Fast Charge Detection Trigger Capacity Ripple Measurement, PD2.0/PD3.0,QC2.0/QC3.0

【Updated Designed USB Tester】FNIRSI FNB58 USB tester has a 2.0-inch full-color ultra-wide viewing angle TFT LCD display, integrated USB-A, Micro-USB, Type-C interface. It is a high-reliability, high-safety USB voltage andcurrent detection meter and a mobile communication terminal fast chargingtrigger. Gravity sensor, automatically switch the display direction.
【Multifunction USB Digital Tester】FNB58 uses external 16-bit ADC, PD protocol physical chip. It can be used to measure the power supply or power consumption of products such as USB interfaces, mobile phone chargers, and U disks. FNB58 USB tester can monitor the voltage, current, power, resistance, capacity, temperature, D+/D- voltage etc, it can be used to test the fast charging protocol of chargers.
【Fast Charge Protocol Trigger Detection】FNB58 supports trigger detection of various fast charging protocols, QC2.0/QC3.0 trigger, FCP/SCP trigger, AFC trigger, PD2.0/3.0 trigger, VOOC/WARP trigger, Super VOOC 1.0/2.0 trigger. The above protocols all support automatic monitoring. MTK-PE automatic detection. Support QC2.O->PD2.0 protocol conversion.
【Parameter Detection and Recording】The highest six-digit display of voltage, current and power, the highest resolution is 0.00001 (V/A/W). 10 sets of switchable capacity, power and time statistics. 1 set of voltage and current curve records, maximum support 9 hours. Support low-speed waveform (voltage, current, D+/D-) drawing, 2sps->100sps sampling rate. Support high-speed ripple (voltage, AC coupling)drawing, up to 4M sps sampling rate.
【Other detection functions】FNB58 also has many functions that other USB testers do not have. The internal resistance measurement of the wire by the differential pressure method. E-Marker Cable chip reading. DASH Cable data reading. Record of startup time. Onboard temperature measurement. PD monitor. Analog DASH cable.

Rank No. #7

YOJOCK USB C Tester USB Power Meter 2 in 1 Digital Multimeter 3.6-32V 0-5.1A Voltage and Current Tester, Type C Voltmeter Battery Capacity Volt Ammeter Power Bank USB Cable Charger Detector

【Upgraded Multifuntional USB C Power Meter】The USB tester can detects 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 to test capacity and electric energy of power bank. Measuring voltage: 3.6V-32V; measuring current: 0-5.1A.
【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. The fonts are larger in one mode, which can read the data at a glance and facilitate viewing. This instrument can monitor Voltage, Current, Capacity, Electric Quantity, Power, Load Impedance, ect..
【Wide Range of Application】The USB power meter 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 13 Pro mobile phone. (Support iphone 13/12/11/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, Lenovo Thinkpad, Eluktronics, Razer Blade Stealth, Chromebook, Microsoft Surface Pro and more Type C devices and chargers.
【Test Power Bank Capacity】Before testing the power Bank,please fully charge the power bank,insert the usb voltage 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.)
【Professional Safety Guard】This USB C tester featured with over-voltage protection, over-current protection, under-voltage protection, low energy protection. This upgraded USB Type C tester can detect safety and maximally protect the appliances from damaging. It will cut off output automatically, while it will save data when power off suddenly.

Rank No. #8

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

Rank No. #9

USB C Tester,KJ-KayJI 2 in 1 Tester Color Screen IPS Digital Multimeter(2022),Voltage,Cur,Pwr,Resistance,Elec,Temp,Capacity,Tme,Fast Charging,with USB Clip Cable Support PD2.0/PD3.0,QC2.0/QC3.0,BC1.2

【Multiple detection functions of USB C Tester】USB C Tester can monitor the voltage,current,power,resistance,power,capacity,temperature of Micro-usb Cable/USB C Cable/usb a to usb c Cable/USB C/USB A device,charging time,Test Group and fast charging.Check the performance of USB C/USB A charger and USB C Cable/usb a to usb c Cable (charging speed and quality). It can also be used to find the maximum current of wireless chargers and test the capacity and power of power banks.
【IPS Color Display Screen】Provides 9 IPS color screen display interfaces, and the display interface is switched by buttons. USB Tester can detect data such as voltage, current, power, resistance, electricity, temperature, capacity, timing, fast charge, D/D-, V/V-, etc. It can also detect whether the charger, cable supports fast charging. (IPS HD color screen is clearer. Only the Screen rotation interface supports 180-degree flipping of the screen)
【Test Power Bank/Phone mAh】Test Power Bank, 2 clicks to clear the Tester mAh data, fully charge the power bank, discharge quickly with Load, "Cap" will show how much mAh Capacity the Power bank has. Multiply by 90%. Test the phone, the phone is fully charged, 3 clicks to clear the Tester WH data, the battery is exhausted, WH/3.75=mAh Capacity x 1000 x 90%=close to cell phone battery capacity (Power bank battery same)
【Test charger voltage and current】Support USB A Charger, USB C Charger. Connect Load, adjust the current to the charger support current, if the tester shows that the voltage and current match the charger support current, the quality of the charger is excellent, otherwise the quality of the charger is not good.
【Test cable voltage and current】Support testing Micro-usb cable, usb a to usb c Cable, usb c to usb c Cable. Use a charger with excellent quality after testing, insert the cable, connect the load to test the voltage and current of the cable, if the tester The displayed voltage and current are in line with the current supported by the charger, the cable quality is excellent, and the charging speed is fast; otherwise, the cable quality is not good, and the charging speed is slow.

Rank No. #10

USB 3.0 Tester, Eversame IPS Color Display Digital Multimeter Voltmeter Current and Voltage Monitor, DC 5.1A/30V/150W Power Meter Tester, Test Speed of Chargers, Cables, Capacity of Power Banks-Clear

NEW Arrival USB Tester: Upgraded color USB tester feature a 12,800 pixel IPS HD colour digital LCD screen for clear readings; screen rotation function allows readings to be taking in different directions. Meanwhile, to ensure more accurate measurements, USB meter tester uses a sampling chip with an internal resistance as low as 1 milliiohm (1mΩ), reducing self-consumption while providing you with more reliable values.
Multi-functional USB meter: USB meter tester is mainly used to detect USB charging current, voltage, capacity, power, time, etc, displaying accurate data for you in real time; detecting the quality of charger and cables, providing a safe charging environment for your valuable devices. USB tester can automatically detect different fast charging protocols, including APPLE 2.4A/2.1A/1A/0.5A; Android DCP/AFC; HUAWEI FCP 9V/2A, SCP 4.5V/5A; Samsung Qualcomm QC2.0/3.0.
Power-off Memory Function: Testing the capacity of a power bank requires completing discharge process from 100% to 0, which will take a considerable amount of time to complete it. Power failure storage feature allows you to finish this process in one or more passes, as it will accumulate capacity again when power on again. Up to 9 sets of data help you easily calculate the real capacity. Screen can be shut off during this process or at night for distraction-free experience.
Wide Test Range & Simple Operation: Input/Output Voltage: DC3.6-30V, Current Range: 0-5.1A. Large range of USB meter makes it widely compatible with USB-A port devices such as mobile phones, tablets, laptops, car chargers, power banks, wall chargers, cables, etc., displaying charging data to you in real time. USB tester is compact and portable, providing a safe environment for charging every time, wherever you go.
What You Get: 1 Pack Multimeter USB Tester in Clear. 100% SATISFACTION WARRANTY: Eversame always stand behind our products, and we offer 12-month worry-free to every item. Your satisfaction is our priority. For any reason you are unsatisfied with our product at any time, please feel free contact us to get customer support, we will try our best to solve it in 24 hours.

SaleRank No. #11

PEMENOL DC-DC CNC USB Step Up/Down Power Supply Regulator Module 3.5V-12V to 1.0V-24V 2-3W, Adjustable Boost Buck Voltage Converter Digital Display Voltmeter Ammeter Battery Capacity Tester

★Power System (PER)：There are 3 input interfaces, USB, micro USB, Type-C, input any interface, under the power system (PER), you can output an adjustable voltage from 1.0V to 24V, power 2-3W. Note: It is a low power supply, please do not exceed the maximum output power.
★Multimeter System (VAH): The CNC USB power supply regulator module can measure voltage and current, test power, capacity, and time just like a multimeter. It can also test the current ambient temperature. Temperature range -20℃~70℃
★With multiple protection functions： When the voltage﹤0.8V, there will be under-voltage protection(LVP); when the input current﹥2A, there will be overcurrent protection(OCP); When using over power, there will be over-power protection(OPP). After protection, the output will be automatically turned off, the LCD backlight will flash, and the corresponding protection will be displayed(LVP, OCP, OPP)
★Small size, easy to carry：small size 78*28*17mm with Anti-extrusion packaging box. Very suitable for use by technical engineers on business trips, maintenance, etc.
★Application: It can measure voltage and current like a multimeter. Can also test power, capacity, time and temperature. For more details and instruction, please read the user manual!!!

Rank No. #12

YOJOCK USB C Tester Power Meter 4-30V 0-6.5A Digital Multimeter, Type C Voltage and Current Tester Meter, Power Bank Capacity, Working Time Ammeter Voltmeter USB Cable Charger Detector

Multi-function: This USB tester is designed to detect voltage, current, capacity, electric quantity, power, temperature, resistance, charging time and other data of the USB C devices, which is convenient for testing power supply and quality.
Detect Various Fast Charging Protocols: The Type-C USB tester supports QC2.0/3.0/4.0, Super VOOC and supports electrical signal monitoring during PD2.0/3.0 fast charging protocol, meeting the needs of various mobile phone users.
Measuring Data is Guaranteed: Power-off save function that stores capacity and energy data when the mobile power is turned off, which is convenient for subsequent viewing and convenient for capacity energy measurement of mobile power.
Wide Applicability: This USB C Tester Measuring voltage: 4V-30V; measuring current: 0-6.5A. YOJOCK Tester are widely used in the quality inspection of 3C digital peripheral products, and are the first choice for digital gamers and electronic enthusiasts.
Button Function: 1.Click the button once to switch screens in a cyclical manner; 2.Double-click the button to rotate the displayed content; 3.Press and hold the button (3 seconds): Clear all capacity, amount of electricity, and time.

SaleRank No. #13

USB Tester Voltage Power Meter - Type C Power Tester USB Digital Tester Multimeter USB C Power Monitor USB Amp Volt Meter USB Ammeter Voltmeter USB C Watt Meter DC 3.3-30V/0-5.1A (Upgrade Version)

Detect various fast charging protocols: The tester supports Qualcomm QC2.0/3.0/4.0 Huawei FCP, SCP, Samsung, APPLE fast charging detection to meet the needs of various mobile phone users, and supports electrical signal monitoring during PD3.0/2.0 fast charging protocol, to meet various the needs of mobile phone users
Upgraded multi-function tester: Check your phone's battery capacity and charging cable, charging speed and quality of your data cable. It can also be used to find the highest current of the wireless charger, test the capacity and power of the mobile power supply, and support the function of automatic data saving after power failure
Professional safety protection: The usb tester has overvoltage protection, overcurrent protection, undervoltage protection, low energy protection and a high temperature alarm system over 45 degrees. This upgraded USB Type C tester detects security and maximizes device protection from damage.You can monitor voltage and current and troubleshoot maintenance for your electronic products to protect your equipment
A variety of color screen display modes: The new upgraded version provides 12 LCD main color screen display interfaces, and the button switches the display interface. Through the new interface settings, support OTG function, monitor the voltage, current, capacity, power, power, load impedance, D+/D- voltage and other data of USB or type c-supported devices
After-sales service: We have a strong after-sales service team. As long as you have any questions about the product, we will solve your problem as soon as we receive your email. If you have received a defective USB tester or have any questions, please contact us first for a valid warranty and replacement service. We offer Please click "MakerHawk-US" and click how to email us "Ask a question" to email us, looking forward to your inquiry, we will reply you within 24 hours

Rank No. #14

Multi Functional 2 in 1 Type C USB Tester, IPS Color Display Digital Multimeter,USB Power Meters, Voltage,Current, Power Capacity, Temperature,Working Time Detectors (with OTG Adapter)

MULTIPLE COLOR SCREEN DISPLAY MODES: Offers 12in1 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.
Automatic detection of multiple fast charging protocols: supports fast charging detection of various models such as Huawei/OPPO/Samsung /vivo/Apple; supports Huawei FCP(9V/2A) SCP(4.5V/5A) Flash charge detection, Samsung Qualcomm QC2.0/3.0 fast charge detection; support APPLE2.4A/2.1A/1A/0.5A fast charge detection; support Android DCP/AFC, etc., multiple fast charge recognition, at the same time It also supports PD3.0/2.0 fast charging protocol to meet the needs of various mobile phone users
Note testing the PD charger:the output is not connected to the screen and the screen does not light up.When the Type-C male round port is inserted into the C female round port with PD protocol for measurement,the product output C female round port must be connected to the mobile phone through the C-C PD data line or when the PD protocol trigger is directly connected, the product will light up the screen
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.
This tester can be applied to test Type-C and USB Devices.4-Interface Type-C Tester,More Display Modes,Crafted from high-grade LCD monitor, bright and clear enough to monitor the parameters on the screen monitor.Become A Safety Guard of Your Devices,Detect Charging&Discharging Condition Of Your Devices,Wide Range of Application

Rank No. #15

JESSINIE KWS-V20 USB Tester Voltmeter Ammeter Multimeter 3-9V 0-3A LCD Digital Display Power Battery Tester for Power Capacity Mobile Phone Charger with Blue Shell

Real time monitoring of USB 2.0 multimeter battery tester, support qc2.0 5V 9V USB intelligent monitor current and voltage capacity.
KWS-V20 USB battery tester can detect the charging status, voltage, current, power and other indicators of 3C electronic equipment commonly used in life in real time. It is widely used in USB equipment and easy to operate.
Main components of the product: 1.LCD voltage and current display window 2.Working time and battery capacity display window 3.USB2.0 input port 4.USB2.0 output port 5.Reset button
KWS-V20 Voltage tester has a power-off storage function. When the mobile power supply is powered off, it can store capacity and energy data, which is convenient for subsequent viewing and convenient for capacity and energy measurement of the mobile power supply
Applicable to many daily devices, such as mobile phones, computers, car chargers, laptops, mobile phone chargers, laptops, etc

Rank No. #16

USB Power Meter,USB Current Meter,3-9V 0-5A Voltage Tester Multimeter,LCD Digital Multimeter Current Tester Voltage Detector, USB Tester DC LED Display

?USB Current Meter:The current and voltage cycle , easy to use and practical.Resolution : Voltage 10mV current 1mA, Error : voltage ± 1% current ± 2%.
?High Precision:USB 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 antiinterference ability , high temperature can be used for measuring USB powered or power consumption of the interface , mobile phone charger , U disk and other products.
?Easy to Use:USB voltage meter 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.
?Widely Used:USB power meter can be used to measure air , voltage loads , USB terminal equipment working voltage and current .Current (05A) can detect mobile phone charger
?Package Included:1pcs* Dual USB Current Voltage Charger Detector. If you have any question, pls contact us anytime.

Rank No. #17

USB C Power Meter Tester, Eversame USB Voltmeter Ammeter Load Tester,USB Voltage and Current Monitor with Braided USB C to USB C Cable(1.5Ft/50cm)-Test USB Cable Speed - 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. 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.)
Important Warm Reminder: The bundle contains a single-sided protocol design USB Tester (no Bluetooth) and a reversible 50cm ultra-durable nylon braided USB type C to Type C cable. AS the tester is the one sided protocol design, if the display does not light up, please try to flip the Type C cable and try again. Eversame Promise to stand behind our products and provide a hassle-free 24-month warranty in case of product defects and friendly customer service.

Rank No. #18

DROK USB Tester, USB-A USB-C 2.0 Multimeter Dual USB Ports PD QC 3.0 with Color LED Display Battery Charger Monitor, 7 Modes Capacity Voltage Current Power for Laptop Power Bank Solar Panel

【7 Modes Display Monitor】 DROK USB Tester is equipped with digital color LED display screen, which can be switched between 7 display modes. This multimeter can be used to measure voltage, current, power, capacity. Through the 7 modes, you can clearly see the voltage, current, capacity and power during charging. Only 1 button to switch the display mode, simple and handy.
【Dual USB Output】 This item is equipped with USB-A USB-C input and dual USB 2.0 output. The output ports support PD QC 3.0 fast charge protocol. This meter can auto identify the fast charge protocol, which can charge your device among 3.6V to 12V 3A. Output Ⅰ can be used for device charging and data transfer, and output Ⅱ can only be used for charging.
【Multifunction】 DROK USB detector can be used for capacity checking, capacity clear, over voltage, under voltage, over current and short circuit alarm, which is easy to test the power, quality and know the health condition of your device chargers or USB cables.
【Easy to Use】 The multimeter only has Two button. Once you plug in the meter, you can test the parameter you want. The button Ⅱ can switch 7 modes display——VA(Voltage & Current), C(Capacity), P(Power), VA+C, VA+P, C+P, VA+C+P. When voltage ≥ 5V, power on and long press button Ⅰ for 5 seconds to activate output.
【Application】 DROK USB Meter can be used for the devices between 3.2-30V and 0-5A. You can use this for 5V 9V 12V 24V 30V solar panel, power bank, battery charger, USB able.【Note】If you use USB-C IN and USB-A OUT, long press button I to Start Output.

Rank No. #19

USB Load Discharge Tester,LD35 USB Electronic Load Digital Display Battery Test Adjustable Resistor Voltage Current Mete,Resistance

PRODUCT INTRODUCTION:This is a high-performance intelligent electronic load that can perform constant discharging test.
GOOD HEAT DISSIPATION:Intelligent temperature control fan + all aluminum fan for better heat dissipation.Hydraulic bearing intelligent temperature control fan, speed 8000±10%RPM.
BETTER PROTECTION:It supports over voltage protection, over power protection and over temperature protection.
WIDE APPLICATION:Application for charger, power supply and other device manufacturers want long-term discharge or batch aging test of products.The usage of large batch ageing test at the charger factory.
MULTIFUNCTIONAL:Assist to measure Micro USB cable good or not.Assist to measure Type-C cable good or not.Assist to measure output current capacity of charger good or not.

Rank No. #20

2 PCS USB Voltage/Amps Power Meter Tester Multimeter, Test speed of chargers, cables, capacity of power banks

Accuracy: plus or minus 1%, accurate measurement data. Input Voltage: 3V-15V, Voltage Resolution: 0.01V, Test Current: 0.05A-3.50A, Current Resolution: 0.01A, Capacity Range: 0-19999mAH
Displays Current (Amps), voltage and capacity (19,999 mah)
portable and easy to carry,With LCD screen, easy to see the current and voltage of the devices
Can handle charging speeds up to 3.5A (3,500 ma) and 3v-7v
Test using a USB charger, battery power bank or Micro USB Cable. Testing for iPhone or forAndroid phone

Last update on 2023-07-30 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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20 Best Voltage Tester For Usbs of 2023 – Romance University

How Do You Buy The Best Voltage Tester For Usbs?

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