This is a mini USB meter. It can measure voltage, current, power and capacity of a device with USB connector such as a Power Bank. It’s a USB voltmeter, ampmeter, power calculator. Defeniltely good for testing power banks, chargers, laptops, faulty power supplies and more. With simultaneous display of both voltage and current information, it’s easy to view how your device is performing.
This meter is compact and easy to carry, does not need additional power supply, while being plug and play ready. It quite easily to measure the output voltage of the USB port and the device operating current or load voltage. Detecting faulty USB chargers has never been easier before. you can even measure how your phone is performing while being connected to this device. A wide range of applications, any phone, any electronic product. Suitable for factories, laboratories, and personal use.
How to use: Insert your digital devices into the USB digital voltage measuring instrument, Then insert the tester into chargers or any other power supply with USB output, After that plug the power supply into the socket and start measuring.
Voltage: 4V~20V, +/- 1%
Current: 0~3.3A, +/- 1%
Size: Approx. 72mm x 22mm x 11mm
Material: plastic & copper
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