20 Best Keweisi Usb Tester of 2023 – Romance University

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

2,228 Reviews Scanned

Rank No. #1

CoCocina KEWEISI 3V-9V 0-3A USB Charger Power Battery Capacity Tester Voltage Current Meter

Voltage : 3V-9V, +/- 1%
Current : 0-3A, +/- 1%
Time : 0-99H
Battery Capacity : 0-99999mAh
Size : Approx. 7.2cm x 2.2cm x 1.1cm / 2.83" x 0.87" x 0.43"

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.

Rank No. #3

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.

Rank No. #4

USB Tester Type-C Voltmeter Voltage Current Tester Power Meter Multimeter Ammeter Type C USB Charger Tester Color Display Capacity Voltage Current Detector 0-5A 4-30V

New feature: Type-C interface is fully reinforced, which solves the problem of USB port falling off due to multiple plugging and unplugging, so you can use it with confidence. Added high temperature warning function. When the detected temperature exceeds 45 degrees, the green temperature value on the display interface will turn red, and a red exclamation mark will appear to remind you that the temperature is abnormal
HD Display: The type-C USB tester adopts a 0.96-inch IPS HD color LCD display, which can be connected in both directions, 160-degree wide viewing angle, high brightness, and long service life
High Quality: The high-quality USB multimeter is made of high-quality aluminum alloy material, which can effectively avoid oxidation and rust, and can be used for a long time. The internal use of professional instrument sampling circuits, coupled with unique precision algorithms, ensures accuracy and stability
Safe use: Timing, no explosion, preventing accidents; key function: the key menu can display the change page, and the quick screen display can pop up, long press for 3 seconds to delete the data, long press and then connect to a reasonable 5V current to restore the voltage. USB-Type-C Power Adapter Tester - Load or Digital Devic
We Have a Strong After-sales Service Team: As long as you have any questions about the product, we will resolve your issue immediately if received your email,How to email us Plz click "MakerHawk-US" and click "Ask a question" to email us! looking forward to your consultation

Rank No. #5

HiLetgo LCD USB Current Voltage Doctor Charger Capacity Tester Meter Power Bank

Display: Simultaneously display Amp and Volt in real-time
Measuring Range: Voltage 3-9V, Current 0-3A, Accuracy: +/- 1%
Memory function: The working time and Capacity have Memory function when power off
Reset: Press and hold the RESET button for 3 seconds to reset
Widely used: Perfect for testing phone, power bank, solar charger, car charger, tablet, computer, note book and so on

Rank No. #6

ICQUANZX Type-C USB Tester USB Power Meter, USB C Voltage Tester Multimeter 0-5A 4-30V Current Meter Tester, USB-C Charger Tester, Color Display Type C Voltmeter Ammeter.

Real-time detection of the state of charge of the appliance, voltage, current, power and other indicators, Support the identification of QC2.0, QC3.0, PD, SAMSUNG quick charge protocol;
It adopts 0.96 inch IPS high-definition color liquid crystal display, which can be connected in two directions, 160 degree wide viewing angle, high brightness and long working life;
Internal use of professional instrument sampling circuit, coupled with unique precision algorithm, ensures the accuracy and stability of the product at the hardware and software level;
With power-off storage function, when the mobile power is cut off, it can store capacity and energy data, which is convenient for subsequent viewing, and is convenient for measuring the energy capacity of the mobile power source.
The tester is widely used in the quality inspection of 3C digital and peripheral products of Type-C interface. It is the first choice for electronics enthusiasts;

Rank No. #7

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. #8

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-Black

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. d car charges more easily.
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 Black. 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.

Rank No. #9

AT34 USB 3.0 Tester Power Meter 30V 4A USB Voltage Digital Multimeter Current Tester Voltmeter Ammeter IPS Color Display Capacity Power

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.
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,for i Phone 2.4A/2.1A/1A/0.5A, for 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.
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.

Rank No. #10

HiLetgo 5pcs DC-DC Buck Step Down Module 6-20V 12V/20V to 5V 3A USB Charger Module

USB Charger Module
DC-DC Module
Compatible to Arduino

Rank No. #11

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. #12

JacobsParts USB Power Meter Voltage Current Capacity Tester 5-20V 3A Test Chargers and Cables

Measure USB charging voltage, current, and discharge capacity over time
Check the performance of USB cables, wall chargers, car chargers, and power banks
Fast-charger compatible, works up to 20V and does not interfere with quick charge negotiation
Voltage range: 4-20V • Max Current: 3A • Resolution: 0.01V, 0.01A, 1mAh
mAh measurement survives power loss • Size: 7.25×2.5×1.35cm

Rank No. #13

MakerHawk USB Power Meter, TC66 USB Tester Type C USB Voltage Meter and Current Tester, 0.96 Inch IPS Color LCD Display Power Tester Multimeter PD Ammeter Voltmeter QC 2.0 3.0

TC66C adopts 0.96 inch LCD HD color IPS screen to display the charging status of the appliance in real time. Human-Computer Interaction Interface. The voltage,current,capacity,energy, power,equivalent impedance,temperature and other indicators are clear at a glance.
Support mobile phone APP(Android+IOS) and PC software to connect and control, wireless connection control(Only for TC66C). Android version: currently only supports android 5.0 system and above. Apple version: currently only support IOS 8.0 and above.
Fast load recognition mode: Support USB PD, QC2.0/3.0, Samsung AFC, Huawei FCP, Apple and other mainstream quick charge protocols, trigger 5V/9V/12V/20V and other quick charge voltage,making it convenient to test the performance of quick charge charger, data cables and other products.
Supports Two-way current measurement, forward current and reverse current. 6-digit measurement resolution. Independent power supply, measurement from 0V, low voltage equipment detection necessary.
Offline Data Storage: When the PC software or APP cannot be connected in real time to save the measurement data, the offline storage function can be used. The measured Voltage/Current data can be temporarily stored in the storage unit of the tester, and then the measurement data can be generated by the PC software or APP.

Rank No. #14

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. #15

DROK USB Power Meter, DC 4-24V 5A LCD USB A&C Voltage Current Display USB Tester Multimeter, Test Speed of Charger Cables, Capacity of Power Bank, QC 2.0 3.0

Parameter --- Input voltage: 4-24.000V; Input current: 0-5.0000A; Capacity measurement range: 0-99999mAh; Energy measurement range: 0-99999mWh; Load impedance measurement range: 0.8Ω-9999.9Ω; Temperature measurement range: -10°C~100°C/0°F~200°F (Default temperature unit: Celsius, can be switch to Fahrenheit).
1.44” LCD Display --- The multimeter has a 1.44 inch LCD high-definition color LCD display, on which real-time display of the charging status of electrical appliances, voltage, current, capacity, energy, power, equivalent impedance, temperature and other indicators are clear at a glance. NOTE: The screen can be rotated.
Fast Charging --- Support QC2.0, QC3.0, APPLE 2.4A/2.1A/1A/0.5A, Android DCP, SAMSUNG. NOTE: This fast charge protocol identification mode is for reference only as the mobile phone update is faster and cannot be accurately identified.
Load Test --- This detector can be used with our DROK load testers to test the output voltage, current, power and other parameters of the phone chargers, power banks, USB cables, etc.
NOTE --- 1. The meter is covered with protection film to protect the meter from scratching during shipping. Scratches on the protective film are normal, just tear it off. 2. Please connect the USB meter correctly. From USB male port to USB female port, or from Type-C IN port to Type-C OUT port. Don’t connect from USB male port to Type-C OUT port. 3. This version doesn’t support blue~tooth connection.

Rank No. #16

USB Power Meter Testers, ELECTOP Upgrade Multi Functional 2 in 1 Type C USB Tester, LCD Digital Multimeter, Voltage,Current, Power Capacity, Temperature, Working Time Detector (Pack with OTG Adapter)

Multi Functional Tester: Multiple interfaces (USB input/output, Type-C input/output and Micro USB input),Used to detects the charging status and process of your USB-enabled or type c-enabled devices.Data transfer supported but have limitations,please refer to product description for using details .Supports QC3.0, QC2.0 and BC1.2 ,MTK in different devices. It can be also used to find the highest current of the Wireless Charger, and test capacity and electric energy of power bank.
Safety Protection: Featured with Over-voltage protection, Over-current protection, under-voltage protection, low energy protection and alarm system. So, this 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.
LCD Multi-color Display : Upgraded version offers IPS HD 9 LCD main color screen display interfaces, allowing switching the display interface by pressing the key. Support English or Chinese Language show, and individual screen display for more visible enjoyment.
Support PD protocol：Thanks to the PD protocol quick charging mode measurement technology, this new multimeter supports the updated iPhone X mobile phone. (Support iphone 13 / 12 / iPhone Xs quick charging ONLY with IOS PD Fast charging adapter and cable). It also can be applied to test other type C devices, such as Samsung Galaxy S9 Plus, Google Chrome BookPixel, OnePlus, HuaWei P9, ect.
OTG Adapter for Free : It comes with a OTG adapter,which enables you to expand your USB and Micro USB Function.(convert USB input connection port to Micro port by Insert OTG Adapter).We are always at your disposal for solving problems for you,buy with confidence,just place an order.

SaleRank No. #17

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. #18

USB Tester 4-28V 7A LCD USB A&C Voltage Current Power Tester Multimeter, 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.

SaleRank No. #19

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

Rank No. #20

Binval Digital Multimeter 2 in 1 USB C Tester LCD Color Display Voltage Current Watt Meter Automatic Detection and Identification of Charging Protocols Covering Display: DC3.6-32V/0-5.1A

【Multifunctional Tester】：Multiple ports (USB, Type-C and Micro USB) for checking the charging status and process of your USB device or Type c device. New upgraded multimeter tester maximum voltage and current 32V/5.1A/150W, the tester supports a variety of fast charging detection, the process of electrical signal to monitor the charging protocol to meet the various needs of cell phone users. Can also be used to test the capacity and power of mobile power.
【Professional safety protection】: with overvoltage protection, overcurrent protection, undervoltage protection, low energy protection and alarm system. This upgraded USB Type C tester detects safety and maximizes device protection from damage. Automatic output cut-off, audible alarm, sudden power failure to save data.
【Newest Upgraded IPS color screen】: The new upgraded version provides 8 LCD main color screen display interface, key switch display interface. Through the new interface settings, support OTG function, monitor the voltage, current, capacity, power, USB's power, load impedance, D/D-voltage and other data of USB or type c supported devices. Switch multiple interfaces with the click of a button. (Support 180 degree flip screen, 3 kinds of personalized interface!)
【Wide Application】: USB tester comes with OTG adapter, supports PD3.0/PD2.0, QC3.0/QC2.0, BC1.2 and USB A or USB C port, supports newer iPhone 11 Pro phones. (Support iphone 11/X/iPhone Xs fast charging, 29W power, 5V3A / 9V3A / 12V2.5A / 15V2A) Compatible with the 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 many more Type C devices and chargers.
【BINVAL PROMISE】: We always believe in stability and continuous improvement of the quality of our products. We trust our products and we offer a worry-free service for 18 months. Feel free to ask our team any questions about use. If you are not satisfied with our products, please feel free to contact our after-sales staff for exchange or refund.

Last update on 2023-08-06 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

How Do You Buy The Best Keweisi Usb Tester?

Do you get stressed out thinking about shopping for a great Keweisi Usb Tester? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Keweisi Usb Tester, which is why we have assembled a comprehensive list of the greatest Keweisi Usb Tester available in the current market. We’ve also come up with a list of questions that you probably have yourself.

Romance University has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Keweisi Usb Tester that you consider buying. Your questions might include the following:

Is it worth buying an Keweisi Usb Tester?
What benefits are there with buying an Keweisi Usb Tester?
What factors deserve consideration when shopping for an effective Keweisi Usb Tester?
Why is it crucial to invest in any Keweisi Usb Tester, much less the best one?
Which Keweisi Usb Tester are good in the current market?
Where can you find information like this about Keweisi Usb Tester?

We’re convinced that you likely have far more questions than just these regarding Keweisi Usb Tester, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Keweisi Usb Tester, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Keweisi Usb Tester. Make sure that you are only using trustworthy and credible websites and sources.

Romance University provides an Keweisi Usb Tester buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Keweisi Usb Tester currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

Brand Value: Every brand of Keweisi Usb Tester has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an Keweisi Usb Tester?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your Keweisi Usb Tester.
Customer Ratings: Number ratings grade Keweisi Usb Tester objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Keweisi Usb Tester.
Product Quality: You don’t always get what you pay for with an Keweisi Usb Tester, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an Keweisi Usb Tester is should be an indication of how long it will work out for you.

Romance University always remembers that maintaining Keweisi Usb Tester information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Keweisi Usb Tester is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.

20 Best Keweisi Usb Tester of 2023 – Romance University

How Do You Buy The Best Keweisi Usb Tester?

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