10 Best Voltage Meter With Usb In The Us - Black Friday 2024
FNIRSI 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
Main highlights- 【Updated USB Tester】FNIRSI FNB58 has a 2.0-inch TFT LCD display, integrated USB-A, Micro-USB, Type-C interface. It is a USB voltage andcurrent detection meter and a mobile communication terminal fast charging trigger with gravity sensor
- 【USB tester detection function】The 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
- 【Parameter Recording】The highest six-digit display of voltage, current and power. 10 sets of switchable capacity, power etc. Support low-speed waveform drawing, 2 sps-100 sps sampling rate. Support high-speed ripple drawing, up to 4 M sps sampling rate
- 【Note】In order to respond to the environmental protection policy and reduce the use of paper, FNB58 does not come with paper manuals. You can visit the website of FNIRSI on the box to download the manuals, including product update firmware, APP, etc
- 【Multifunction USB Digital Tester】FNB58 uses external 16-bit ADC, PD protocol physical chip. FNB58 USB tester can monitor the voltage, current, power, resistance, capacity, D+/D- voltage etc, it can be used to test the fast charging protocol of chargers
- 【Fast Charge Protocol Trigger Detection】FNB58 supports QC2.0/QC3.0, FCP/SCP, AFC, PD2.0/3.0, VOOC/WARP, 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
9.8Exceptional
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Value for Money2
KJ-KayJIUSB C Tester,KJ-KayJI 2 in 1 Tester Color Screen IPS Digital Multimeter(2024),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
Main highlights- 【WIDE RANGE OF APPLICATION】must use the OTG adapter (Micro-usb adapter) that comes with the USB tester, which supports PD3.0/PD2.0, QC3.0/QC2.0, BC1.2 and USB A or USB C ports , support newer iPhone/iPad Pro and Android phone. Compatible with 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 more USB C/USB A devices and charging device.
- 【Test whether fast charging is supported】Charger, insert the tester and Load into the charger to adjust the current to 3A, and "FCP" and "FAST" appear on the display interface, indicating that the charger supports fast charging. Cable, after connecting the charger, insert the cable into the tester and connect to Load, adjust the current to 3A, the display interface shows "FCP" and "FAST", indicating that the Cable supports fast charging.
- 【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.
- 【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)
- 【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.
- 【Important Tips and 18 Month Warranty Service]】:When your device does not have a USB port, you can use an alligator clip to clamp the positive and negative poles and convert to USB before testing. When your USB-C device cannot be tested, please insert a small adapter, the small adapter will start the tester. If you receive a defective USB tester or if you have any questions, please contact us first to obtain a valid warranty replacement service for replacement or other assistance.
- 【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)
9.7Exceptional
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3
Eversame22% OffEversame 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. )
9.6Exceptional
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4
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
9.4Excellent
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5
Hapytrip12V/24V USB Outlet Quick Charge 3.0 Dual USB Car Charger Socket with Blue Voltmeter, Waterproof Aluminum Cigarette Lighter USB Charger DIY Kit for Car Marine Motorcycle RV Boat Golf Cart, etc.
Main highlights- [Wide Compatibility] The charger is suitable for DC 12/24V cars, boats, ships, motorcycles, ATVs, RVs, etc. Also, the dual USB ports are suitable for charging iPhone, Samsung, iPad, Android tablets, power banks, video game controllers, sports watches, etc.
- [New Push Button Switch] The new version is designed with a push button switch that can be turned on or off at any time. Avoid repeated plugging and unplugging of the charging cable. Helps to save energy.
- [LED Voltmeter Display] Features a blue LED voltmeter that automatically monitors the vehicle's battery and electrical system and displays the car's voltage on the screen. The Hapytrip dual USB charger receptacle lets you know the health of your battery while you drive.
- [Dual QC 3.0 USB Ports] Equipped with high quality dual QC 3.0 USB ports, it charges two compatible devices up to 4x faster than traditional charging and is compatible with QC 2.0/1.0. It also provides the fastest charging for all non-fast charging devices.
- [Aluminum Material] The advanced all-aluminum body with scratch-resistant technology keeps it sturdy and keeps the 12v USB outlet looking like new forever. The upgraded metal USB cigarette lighter socket will not overheat at high temperatures, which is safer than plastic ones.
- [All-around protection] The 12V USB car socket is UL CE and ROHS certified with overload, overcurrent and short circuit protection to ensure charging safety; this USB car charger guards the safety of your devices. The waterproof and dustproof rubber USB cover can better protect its internal circuitry and effectively increase its service life.
- Please note: The bottom of the product is marked with "+" and "-", the red line connects to +, the black line connects to -; if the connection is reversed, it will not be energized.
- Easy installation: You can replace your car's original cigarette lighter socket with this USB charger. Or, you can DIY the installation by drilling a 1.18 inch/3cm hole, inserting the charger and tightening the ring, then connecting the positive and negative wires（Red wire to Silver plug(+), Black wire to Golden plug(-) ）. See the pictures for detailed installation instructions.
9.3Excellent
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6
SUTNSCWDual USB Quick Charge 3.0 Port & PD USB C Car Charger Socket, 12V USB Outlet with Voltmeter and Power Switch for Car Boat Marine Truck
9.9 Easy installation9.7 Charging power9.3 worth the moneyWhy we love it
Monitors battery voltage for peace of mind.
Charges three devices quickly and simultaneously.
Easy to install in place of cigarette lighter.
9.0Excellent
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7
Depvko[Upgraded] 2Pcs 12V/24V USB Outlet with Voltmeter& ON/Off Switch, Quick Charge 3.0 Dual USB Power Outlet, Waterproof Fast Charge USB Charger Socket DIY Kit for Car Boat Marine (2 Pack)
Main highlights- UPGRADED MATERIAL: Thanks to advanced aluminum alloy material, the car USB port is sturdier than traditional plastic models, with better texture and better high-temperature resistance, which is why it is safer than plastic chargers
- SAVE POWER: Features a push-type button that is more stable on control than other's touch buttons, allowing you to turn off the LED voltmeter display easily to save battery when not in use
- SAFE TO USE: Certified by CE & ROHS with overheating, overloading, and short-circuiting protection to ensure charging safety thanks to built-in fuses and a smart control chip. A waterproof and Dust-proof rubber USB cap better protects its internal circuit and enhances its lifespan effectively
- QC3.0 CHARGE FASTER: Equipped with a high-quality Dual QC 3.0 12-volt USB outlet helps charge two compatible devices simultaneously up to 4 times faster than conventional charging
- HIGH-COST EFFECTIVE: You will get 2 * 12v USB outlets, 2* 60cm cable with 10A in-line fuse, 2* Panel( Gift）, 4*Blue Terminal, and Depvko's lifetime technical support, and a Five-Year warranty with less money
8.9Very Good
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8
Klein Tools18% OffKlein 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
8.8Very Good
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9
Qidoe12V USB Outlet 2 Pack, Dual Quick Charge 3.0, Socket Waterproof Aluminum Charger with LED Voltmeter and Power Switch, Adapter for Marine Motorcycle Truck Golf Cart RV, Car etc.
Main highlights- 【Wide Compatibility】Comes with Removable waterproof cover, waterproof and dust-proof, It can be used even in harsh environments. Fits for all 12V-24V vehicles, marine, ATV, motorcycle, bike, truck, Golf Cart, RV, Boat, Suv, etc.
- 【What You Get】Buy it now and get two excellent 2-Port fast charging USB outlet, worry-free 60-Day refund guarantee, 5-year replacement and lifetime support. If you don’t satisfy with this USB outlet, please don't hesitate to contact us by E-mail, we will offer you a full refund or a new one at first time.
- 【Please Be Aware】According to feedback from some customers, we changed the previous half-thread to full-thread, because half-thread cannot be installed in thick panels.
- 【Non-Slip Button Switch】On the basis of the traditional best-selling metal models, it has been upgraded, adding a well-designed non-slip button switch, more stable on control than touch button. The switch can control the LED digital display to avoid the battery drained due to the constant light after the engine starts, and effectively enhance its lifespan.
- 【Efficient Quick Charging】Dual ports pump out 36W total. Power Two Devices at Full Speed with QC 3.0 Charging Technology, Up to 4x Faster than Conventional Charging, and Deliver the Fastest Possible Charge to All non-quick Charge Device.
- 【Cost Effective】2-Pack provides a spare portable USB outlet to keep in your travel bag or a second vehicle. Spend less money for a better shopping experience.
- 【All Metal Material Body】The car charger is made of advanced aluminum alloy material, which is sturdier than traditional plastic models, with better texture and better high temperature resistance, so it is safer than plastic chargers.
8.6Very Good
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10
SUPERONE22% Off[Pure Copper] USB C Car Charger, SUPERONE 45W Dual USB Car Charger Adapter with 27W/20W PD Port, Fast QC3.0 LED Voltmeter for iPhone 15 14 13 Max/Pro/Plus/Mini, Pixel 7/6/5, Samsung S22/21 More
Main highlights- Pure Copper Car charger: The upgrade copper exterior is more durable, scratch-resistant and won’t be burnt-out, which is safer than any plastic and Aluminium alloy chargers! PLEASE NOTE: Benefit with all copper body, you may feel the copper shell get hot easier, it actually prove copper body do good in heat dissipation & safety!
- Premium Design: A soft LED light ring illumination to help you easily find the charging ports while driving at night, and a soft LED light screen will display the voltage of your car battery at any time.
- Dual Smart USB Ports: Both the 27W/20W PD USB-C port and 18W Quick Charge 3.0 USB-A port can allow users to simultaneously charge multiple devices at full speed with a max output of total 45W. Perfect for iOS and Android devices!
- 27W/20W USB C Power Delivery: Adopt PD PPS Tech., compatible with Apple 27W/20W fast charging Tech., provide up to 27W output for iPhone 15 14 13 12 Pro/ Max/ Plus/ Mini. Charging for iPhone 14 Pro Max near dead to 88%, just need 35 Minutes.
- Warranty and Safety Features: All our products comes with 18-month warranty plus life time technical support. The built-in smart multiple protection system to protect your devices from over-current, over-charging and over-heating ensures superior performance, safety and durability.
8.3Good
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