USB voltage/current tester, check if charging is done properly

Find the fastest charger and cable combination

After experiencing several times when my smartphone doesn’t charge well, I decided to use a USB test machine.

It is a product that can input and output up to C type as well as micro USB.

Supported I/O USB TYPE – A/O USB TYPE – C/O Micro USB inputIt also comes with a gender that can be converted to micro-five pins.▲ It’s easy to use when only the charging cable is connected.Connect the charging cable to the output terminal.When you connect your smartphone to the input terminal, various information is displayed on the last screen.W=V*A Other products don’t show W, so I have to calculate, but the advantage is that they all come out.You can also change the information displayed on the display.Press and hold the key, or click You can initialize a specific value after five clicks.Of course, I’m a liberal arts major, so I don’t understand well even if I look at a lot of information.However, I often use it for that purpose by checking if charging works and throwing away the cable that finds the fastest combination of cable and charger.Domestic purchase 20,000 AliExpress $7.7US$7.7 20% Off|ATORCH Type Cpd USB Tester DC Digital Voltmeter Ampere Meter Voltage Ammeter Detector Power Bank Charger Indicator|Digital Voltmeter|usb Tester|Voltmeter-AliExpress Smart Shopping, Better Living! Click Aliexpress.coms.click .aliexpress.comUS$7.7 20% Off|ATORCH Type Cpd USB Tester DC Digital Voltmeter Ampere Meter Voltage Ammeter Detector Power Bank Charger Indicator|Digital Voltmeter|usb Tester|Voltmeter-AliExpress Smart Shopping, Better Living! Click Aliexpress.coms.click .aliexpress.comUS$7.7 20% Off|ATORCH Type Cpd USB Tester DC Digital Voltmeter Ampere Meter Voltage Ammeter Detector Power Bank Charger Indicator|Digital Voltmeter|usb Tester|Voltmeter-AliExpress Smart Shopping, Better Living! Click Aliexpress.coms.click .aliexpress.com