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Charger Doctor USB Current and Voltage Tester Charging Draw Rate
Charger Doctor Battery tester Adapter USB 7 01772 83510 3

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: $2.99

Availability:: Usually Ships in 24 Hours
Product Code: USBPOWER1

USB Charger Doctor dongle is to measure the working voltage and current output for any USB port or project. It can measure the current draw of USB-powered devices and is easy to use and practical. Compact and easy to carry, no additional power supply needed as it draws from the 5V port. It can easily measure the output voltage of the USB port and the device operating current or load voltage. Detect any 5V USB charger such as PC USB, home charger, car charger cell phone + tablets. Wide range of applications, any phone, any 5V electronic product.

Easy to use! It flips between voltage and current readouts every 3 seconds or so. Detection range voltage: 3vdc-7vdc error 0.1v. Current :0-3A error 0.01A. It is a very handy tool for testing USB devices, checking load levels and debugging batteries.

Average Rating: Average Rating: 5 of 5 5 of 5 Total Reviews: 1 Write a review »

  0 of 0 people found the following review helpful:
5 of 5 USB Current and Voltage Tester October 27, 2020
Reviewer: Dave Martin from Wilton, CA United States  
USB Current and Voltage Tester I am using to sort out low power wall warts

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