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20 Best Usb Safety Tester of 2023 – Romance University
After hours researching and comparing all models on the market, Romance University finds out the Best Usb Safety Tester of 2023. Check our ranking below.
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- 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. )
- 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.
- 【USB C Power Meter】This USB tester can measure voltage, current, power, capacity, energy, time, temperature of USB-C devices, such as tablets, chargers, power banks, cables, etc. It supports bidirectional current and offline data storage
- 【OLED Display】This USB multimeter has a 0.77 inch OLED display with high resolution and brightness. It can show voltage, current, power, capacity, energy, time, maximum voltage, maximum current, maximum power, current direction and CPU temperature. Click the button to switch the interface, double-click the button to change the display direction, making viewing more convenient
- 【Fast Charge Test】This USB C tester supports fast charge test for PD2.0, PD3.0, PPS, QC2.0, QC3.0, FCP, SCP, AFC, PE, DASH, VOOC, SuperVOOC and more. It can detect the voltage and current of the fast charge device and show them on the screen
- 【Wide Range】This USB voltage meter can measure voltage 4V-30V, current 0A-12A, Timing 0-99hours, power 0W-360W, capacity 0mAh-99999mAh, energy 0Wh-99999Wh
- 【Easy to Use】This USB power tester is plug and play, no need to install any drivers or software. It has a compact and portable design, easy to carry and store. It is a must-have tool for testing USB devices
- USB voltage and current tester can display voltage and current data at the same time, can detect a variety of power supply output voltage and current.
- The input and output voltage of the tester is 4V-30V, and the voltage resolution is 0.01V.
- The input and output current of the USB meter is 0-3A, and the current resolution is 0.01A.
- USB male plugged into a 5V charger, female socket plugged into a cell phone and other devices, you can directly read out the voltage and current parameters.
- USB current detector can measure the power supply or power consumption of cell phone charger, U disk and other products.
- 【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: 0-8.0A.
- 【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.
Last update on 2025-07-04 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
How Do You Buy The Best Usb Safety Tester?
Do you get stressed out thinking about shopping for a great Usb Safety Tester? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Usb Safety Tester, which is why we have assembled a comprehensive list of the greatest Usb Safety 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 Usb Safety Tester that you consider buying. Your questions might include the following:
- Is it worth buying an Usb Safety Tester?
- What benefits are there with buying an Usb Safety Tester?
- What factors deserve consideration when shopping for an effective Usb Safety Tester?
- Why is it crucial to invest in any Usb Safety Tester, much less the best one?
- Which Usb Safety Tester are good in the current market?
- Where can you find information like this about Usb Safety Tester?
We’re convinced that you likely have far more questions than just these regarding Usb Safety 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 Usb Safety 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 Usb Safety Tester. Make sure that you are only using trustworthy and credible websites and sources.
Romance University provides an Usb Safety 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 Usb Safety 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 Usb Safety 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 Usb Safety Tester?
- Specifications: How powerful they are can be measured.
- Product Value: This simply is how much bang for the buck you get from your Usb Safety Tester.
- Customer Ratings: Number ratings grade Usb Safety Tester objectively.
- Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Usb Safety Tester.
- Product Quality: You don’t always get what you pay for with an Usb Safety Tester, sometimes less, and sometimes more.
- Product Reliability: How sturdy and durable an Usb Safety Tester is should be an indication of how long it will work out for you.
Romance University always remembers that maintaining Usb Safety 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.
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FAQ:
Q: Which is the best USB battery safety tester?
A: Some of the brands that you will usually run into are JUWEI J7-T, HIDANCE J7-T, CooWoo j7-T, and USB Meter: Safety Tester j7-T. You can find on internet many interesting reviews and accuracy tests. Seems to be accurate enough with charging voltages over 4 Volts.
Q: What does the first screen on the USB tester show?
A: First screen is voltage, current, power and the summations Ah, Wh and time. Next screen show voltage on both power and data pins, a calculated resistance of the load, internal temperature, time and current.
Q: What’s the maximum range for a USB battery test?
A: Timing the maximum range: 0-999 hours 59 minute 59 seconds precision: 1 second Parameters that you can test: Voltage of battery. Current of battery, discharge capacity of battery,Quantity of electric charge,power of battery,timing.
Q: How do you reset the USB power meter?
A: 1. Short press to switch interface and long press to reset the data. 2. In the main interface, five-press is the setting of automatic power outage when full charged or timing turn off.