How many times we seen posts asking "my phone is not charging fast enough" or "I have a bunch of usb cables and old chargers, which one to use"? So how do you find this perfect combo of charger and cables to give you the fastest charging speed? Use our Charger Doctor!!!

The USB Charger Doctor is a small device that goes in series with your usb cable to measure the devices voltage and current consumption.

Within a few minutes you are able to get rid of all faulty phone chargers and cables. What a time saver and problem solver easily one of best diagnostic tools available.

This is a great USB Charger Doctor. Plug it in to any USB port or charger and it automatically tells you what the voltage and charging Amperage is. Great for finding out if your wall charger is any good, needs replaced or how much power a device is drawing. Large LED numbers, without external power supplies

Feature:
The display cycles every 5 seconds between amps and volts in a red LED display
Great tool for verifying USB voltage and device charging rate
Detect any USB charger such as PC USB, home charger, car charger
Widely 3V-8V Voltage and 0A-3A Current Test Range Support with Accurate Readings
Extremely Portable, Light Weight, Small Size and Durable, No Extra Cable or Power Supply Needed
Specifications
Scope of work: Current (0-3A) can detect mobile phone charger voltage compliance DC5V
Working Range: U = 3~7.5V; I = 0~3A
Resolution:10mV / 10mA
Error Range: voltage <1% current <2%
Full scale drop: (When measuring current) 200mV
Operating Temperature: 0-60
Screen size: 0.4inch
Dimensions: 2.68x0.91x0.47inch (6.8x2.3x1.2cm) Package:
1 x USB Charger Doctor

USB Charger Doctor -in-line Voltage and Current Meter Detector Cable Tester Charger Troubleshooting Tool and Gadget

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