This portable USB current and voltage tester is a compact tool for checking the output of mobile chargers and USB devices. It provides straightforward measurements to help verify electrical performance.
Use it to test USB ports on chargers, power banks, or computers, ensuring they deliver the correct voltage and current for your devices. This can help identify issues like under-voltage that might affect charging speed or device safety, making it useful for troubleshooting at home or on the go.
- Measures voltage from 3 to 7.5V with a resolution of 10mV and accuracy better than 1%.
- Detects current up to 3A with 1mA resolution and accuracy under 2%.
- Features automatic cycling between voltage and current displays for easy reading.
- Operates without an external power source, drawing from the USB itself.
- Compact design fits easily in a pocket, with an operating temperature range of 0-60°C.
- Low full-scale voltage drop of 200mV minimizes impact on measurements.
This tester suits tech enthusiasts, DIY users, or professionals needing reliable USB power verification in everyday scenarios.
