Usb Tester Voltage And Powers of 2025
- Best Choice
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FNIRSIFNIRSI USB Tester 4-28V 7A LCD USB A&C Voltage Current Power Tester Multimeter with App Software, Fast Charge Detection Trigger Capacity Ripple Measurement, PD2.0/PD3.0,QC2.0/QC3.0
Why we love it
Versatile interface compatibility.
Detailed power monitoring.
Supports multiple fast-charging protocols.
How do we rank?
Using our advanced technology, we scan thousands of products and stores, analyzing reviews, ratings, and trends to find what matters most to users like you.Our team then reviews the data and real user feedback, combining AI and human insights to bring you real-time, top-rated recommendations to guide your decisions with clarity and confidence.- Value for Money
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MakerHawkMakerHawk 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
Main highlights- 【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
- [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!
- [Note] : When PD power is not connected to the fast charge device, the power is not supplied by default. After the TYPE-C PD is inserted, the test screen is not on. 1. Flip the TYPE-C connector 2. Our built-in TYPE-C interface is used for connection and TypeC interface charger is used. According to the protocol, no load is connected and no power is supplied by default
- [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
- [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
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EversameEversame 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
Main highlights- 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.
- 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.
- 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. )
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YOJOCKYOJOCK USB C Tester USB Power Meter 2 in 1 Digital Multimeter 3.6-32V 0-8.0A Voltage and Current Tester, Type C Voltmeter Battery Capacity Volt Ammeter Power Bank USB Cable Charger Detector
Why we love it
Monitors multiple charging parameters easily.
Compatible with various devices and chargers.
Enhanced safety with over-voltage protection.
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DROKDROK 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
Main highlights- 【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. 1. Please note that The latter 4 models is cyclic display. If you dislike the cyclic display modes, Just press the button Ⅱ to former 3 modes which are all fixed display. When voltage ≥ 5V, power on and long press button Ⅰ for 5 seconds to activate output.
- 【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.
- 【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.
- 【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.
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YEREADWUSB C Tester Power Meter 2 in 1, YEREADW Digital Multimeter 3.6-32V 0-8.0A Voltage and Current Tester Meter, Type C Voltmeter Battery Capacity Volt Ammeter Power Bank Fast Charger Detector
Main highlights- Superior Charging Performance Monitoring: Monitor the charging performance of all USB and Type C devices, including wall and solar panel chargers as well as USB cables. This tester can accurately measure voltage (3.6V-32V) and current (0-8.0A), making it ideal for assessing power bank capacity and electric energy.
- Precise Power Bank Capacity Testing: Accurately test power bank capacity either by direct load testing or by calculation. To determine capacity, charge the power bank fully and divide the Wh reading by battery voltage (e.g., 35Wh ÷ 3.7V = 9.46Ah or 9460mAh), offering reliable insight into actual capacity.
- IPS Color Display with Easy Interface Navigation: This upgraded USB tester features a vivid, high-resolution display with eight color-screen interfaces. Easily switch views to monitor voltage, current, capacity, power, load impedance, and more, all in one glance.
- Comprehensive Safety Protections: Equipped with over-voltage, over-current, under-voltage, and low energy protection. This tester automatically cuts off power if it detects any issue, preventing damage to your devices. It also saves data during sudden power outages, preserving valuable information.
- Broad Compatibility with Quick Charging Protocols: Supports the latest PD and QC fast-charging protocols, including PD3.0/2.0, QC3.0/2.0, and BC1.2. Compatible with a wide range of devices, from the newest iPhone 16 Pro to MacBook Pro, Dell XPS, Chromebook, Surface Pro, and more, ensuring versatility across USB A and Type C ports.
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Klein ToolsKlein Tools ET900 USB Power Meter, USB-A Digital Meter for Voltage, Current, Capacity, Energy Resistance
Main highlights- Voltage and current overload detection
- Tests most common standard USB-A ports, including Qualcomm Quick Charge ports
- Store and recall up to 10 readings
- Hi-resolution LCD for clear visibility in environments with low ambient lighting
- Durable cable to allow easy access to hard-to-reach ports
- Continuously monitor up to 1000 hours of voltage, current, capacity/charge delivered, energy, and resistance (calculated)
- 3 to 20V DC; Current: 0.05 to 3A
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UMLIFE2 PCS USB Voltage/Amps Power Meter Tester Multimeter, Test Speed of Chargers, Cables, Capacity of Power Banks
Main highlights- portable and easy to carry,With LCD screen, easy to see the current and voltage of the devices
- Test using a USB charger, battery power bank or Micro USB Cable. Testing for iPhone or forAndroid phone
- Displays Current (Amps), voltage and capacity (19,999 mah)
- Can handle charging speeds up to 3.5A (3,500 ma) and 3v-7v
- 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
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EversameUSB 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
Main highlights- 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.
- 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.
- 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.
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MakerHawkMakerHawk Type-C USB Tester Voltmeter Meter USB Multimeter Voltage and Current Tester 0-5A 4-30V USB Power Meter Multi-Function Tester Color Display Capacity Voltage Current Detector (V1)
Main highlights- Wide range of applications: Type-C USB tester voltmeter is widely used in the quality inspection of 3C digital and peripheral products with Type-C interface. With a power-off storage function, when the mobile power supply is cut off, it can store capacity and energy data for subsequent viewing
- 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
- Type-C interface: time timing, no explosion, to prevent accidents; Button function: The button menu can display the change page, the quick screen display can pop up, long press for 3 seconds to delete the data, long press and then connect a reasonable 5V current to restore the voltage. USB-Type-C power adapter tester - load or digital device
- New upgrade: The type-C tester has added the function of high temperature warning. 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. The Type-C interface is fully reinforced, which solves the problem of the USB port falling off due to multiple plugging and unplugging, allowing you to use it with confidence
- Igh-definition color LCD display: Two-way connection, high brightness, long life, using USB monitor, the state of charging is clear at a glance
- High-quality materials: Safety plug, suitable for any electronic device with USB-C, Type-C, suitable for a variety of environments (aluminum alloy joints, precision built to effectively avoid oxidation and rust); Robust interface , sensitive touch, aluminum alloy material, (built-in aluminum alloy plate, anti-friction and anti-rust for repeated use)