10 Best
Voltage Tester For Usbs
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Product Highlights
- Store charging data in memory, flashing warning of low or high voltage problems.
- Check the use of usb charger, battery pack or micro usb cable.
- Ideal for testing how fast a usb cable or usb power adapter charger is charging.
- Displays current (ampere)voltage and capacity (19,999 ma.).
- Can handle charging speeds up to 3.5 amps (3,500 m) and 3v-7v.
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Product Highlights
- 👍very easy to use no need to be an expert, lightweight and very comfortable to use
- 👍monitor current voltage in real time., no additional power supply, plug and play.
- ✅color: white ✅size: (l x w x h): 6 x 2.8 x 1.5 cm / 2.36 x 1.10 x 0.59 inches ✅material: abs
- 👍portable and easy to carry, convenient to test devices, easy to see the current and voltage of the devices.
- 👍press the small circle button and the data will be zero, then you can test next data.
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Product Highlights
- 【wide range application】widely used in the quality inspection of digital devices with usb-a 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 va...
- 【unbeatable design】this usb power meter with 4 operation buttons and 5 connection ports. the plug with gold-plated usb contacts has a strong coating to prevent scratches, stains and damage. 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 sud...
- 【multifunctional usb tester】this usb tester support micro usb or type c connector and fast charge mode recognition, it can recognize qc 2.0/3.0; voltage/current/power/capacity detection, cable impedance measurement. 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 als...
- 【flexible color display interface】with a 1.44-inch large lcd screen, 4 operation buttons and 5 connection ports. 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, mak...
- 【important note】when pd power is not connected to the fast charge device, the power is not supplied by default, both charger and charging device need support quick charge. 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. yojock promise to stand behind our products and provide a hassle-fr...
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Product Highlights
- ★fast charge recognition, widely compatible. supports qc2.0, qc3.0, apple 2.4a/2.1a/1a/0.5a, andriod dcp,sam-sung charge protocol identification, let you know the state of charge of the phone.
- ★at35 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.
- ★the at35 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. voltage: 3.7-30v; current: 0-4a.instruction link: https://drive.google.com/op...
- ★5-bit resolution for more accurate measurements. the screen can be turned off with one button and has a flip screen function. thermometer function using high-precision thermistor sensor, celsius and fahrenheit free switching.
- ★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, the load capacity of the charger and the quality be better.
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Product Highlights
- Wide applicability: this usb c tester measuring voltage: 4v-30v; measuring current: 0-5a. real-time detection of the state of charge of the appliance, voltage, current, power, capacity and other indicators.
- Ips lcd display: 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. 4-bit accuracy for more accurate measurements.
- Note: 1.the button of this product will make a sound when it is shaken, which is not a product defect. this is an adjustment to be made to quickly double-click the button, which is a normal situation. 2.there is a transparent protective film on the screen, you can choose whether to tear it off according to your needs.
- Latest usb c voltage & current tester: yojock testers are widely used in the quality inspection of 3c digital peripheral products, and are the first choice for digital gamers and electronic enthusiasts.
- Measuring data is guaranteed: power-off storage 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.
- 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.
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Product Highlights
- Testable rechargeable treasure capacity (continuous memory)
- Display the charger charging voltage, current, and calculate the 3c electrical battery capacity
- A usb tester for the charger, mobile power and other charging equipment quality testing of new instruments to monitor the charging efficiency, protection of charging equipment.
- Added a length of 100mm lead, the use of more free and convenient.
- You can compare the charge current of the usb charging cable
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Product Highlights
- With power-off storage function, when the mobile power 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.
- 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.
- The usb tester can be used to test the voltage/current/timing/power/temperature and so on, and it adopts 0.96 inch ips high-definition color liquid crystal display, which can be connected in two directions, 160° wide viewing angle, high brightness and long working life.
- 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 quick charge protocol.(because real-time detection, each time the measurement data will be different, is normal)
- The tester is widely used in the quality inspection of 3c digital and peripheral products of usb interface. can be connected with laptop, cellphones, desktop computer with the usb ports.if there is any question,please feel free to contact us,we will do our best to help you solve the problem.
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Product Highlights
- The current and voltage cycle , easy to use and practical.
- Small size , no power , and other ancillary equipment, plug and play.
- Can easily measure the operating current of the output voltage of the usb port and equipment.
- Compact and easy to carry , no additional power supply.
- Detect usb charger output voltage and current are standard suitable for factories, laboratory and users.
SHOWview product -
Product Highlights
- Wide applicability: this usb power meter measuring voltage: 4v-30v; measuring current: 0-6.5a. supports qc2.0, qc3.0, iphone 2.4a/2.1a/1a/0.5a, android dcp/afc, fcp(9v/2a)/scp(4.5v/5a), super vooc fast charge protocol identification, let you know the charging status of the phone. support for high current testing, support usb3.0 interface mobile hard disk and u disk test.
- Ips lcd display: 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. 4-bit accuracy for more accurate measurements.
- Note: the button of this product will make a sound when it is shaken, which is not a product defect. this is an adjustment to be made to quickly double-click the button, which is a normal situation.
- Upgraded usb tester: real-time detection of the state of charge of the appliance, voltage, current, power, capacity and other indicators. yojock testers are widely used in the quality inspection of 3c digital peripheral products, and are the first choice for digital gamers and electronic enthusiasts.
- Power-off storage, measuring data is guaranteed: this usb tester 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.
- Measure the quality of the charger: connect the same load, compare the no-load and load. the larger the voltage drop, the worse the charger capacity, the worse the quality. the voltage drop is not obvious or the voltage rises, the better the load capacity of this charger, the better the quality.
SHOWview product -
Product Highlights
- Wide applicability: this usb tester measuring voltage: 3.7v-32v; measuring current: 0-5.1a. supports qc2.0, qc3.0, iphone 2.4a/2.1a/1a/0.5a, andriod dcp/afc, fcp(9v/2a)/scp(4.5v/5a), fast charge protocol identification, let you know the charging status of the phone. support for high current testing, support usb3.0 interface mobile hard disk and u disk test.
- Varies of display modes: 6 kinds of display can be switched. 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. 4-bit accuracy for more accurate measurements, 160 degree wide viewing angle, high brightness an...
- Latest usb voltage & current tester: yojock usb testers are widely used in the quality inspection of 3c digital peripheral products, and are the first choice for digital gamers and electronic enthusiasts. real-time detection of the state of charge of the appliance, voltage, current, power, capacity and other indicators.
- Measuring data is guaranteed: power-off storage 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. note: other usb power meter 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 load. the larger the voltage drop, the worse the charger capacity, the worse the quality. the voltage drop is not obvious or the voltage rises, the better the load capacity of this charger, the better the quality.
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