KJ-KayJI 2-in-1 USB tester. KJ-KayJI
“Does this USB charger work?”
“Is this USB port broken?”
“Is this device charging properly?”
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“Is this device charging?”
“Does the battery in this device receive a charge?”
I wonder how often I ask one of the above questions when checking for a broken, malfunctioning, or misbehaving device.
USB ports are everywhere and it’s no accident USB port problems is an increasingly common problem faced by those who diagnose or repair equipment. And without the right tools, you can be scratching your head trying to figure out what’s wrong.
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I have a lot of tools that I can plug into a USB port, from a few dollars ARRIVE more than 100 dollarsbut if you’re just starting out, here it is One set has everything you need to troubleshoot USB-A, microUSB, and USB-C ports for under $25.
Specifications of KJ-KayJI 2-in-1 USB Tester
- Supported ports: USB-A, USB-C and microUSB.
- Maximum voltage and current: 32V/5.1A/150W.
- Supported charging protocols: PD3.0/PD2.0, QC3.0/QC2.0, BC1.2.
- Display: IPS LCD multicolor screen.
- Safety: Over voltage protection.
- Measure: Voltage, Amperage, temperature, mAh, resistance, etc
This kit comes with everything you need to test USB ports. You get the tester, a USB-A to microUSB adapter, and an adjustable 1A/2/3A load.
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The tester is a low-cost tool that allows you to test the output of your charger and backup battery. It is also a way to check the rated capacity of the device or the condition of the battery.
An adjustable load gives you a “dummy” device to plug into a power bank or charger to act as a load, so you can see if the device is working properly. One caveat here is that these adjustable loads get hot when used — really, really hot — and you should buy one. heat resistant surface to put them down when in use.
The tester comes with an instruction book, and while it’s better than nothing, nothing beats the experience. The best way to learn how to use this device is to experiment.
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A trait that makes KJ-KayJI . 2-in-1 USB tester easier to use than many other buttons as there is only one button to press — a short press moves you between different screens on the display, while a long press resets all readings to 0.
Plug the test device between your smartphone or laptop and the charger or power bank and load and see the results you get. The more you use this tool, the better you will understand what information the charger or power bank will output (you can often find this printed on the charger or power bank) — and the easier it will be to spot something amiss. incorrect.
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This is a great USB testing tool, ideal for those just starting out on their diagnostic and repair journey, as well as experienced users who want a backup test tool. I have several of these testers and I find them to be as good and accurate as the testers that cost two or three times as much.
