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tester
February 7, 2018
Reviewer:
Tim Kinney from Mt Pleasant , SC United States
works well. can give you an idea if your devices are getting enough power to charge them
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Inaccurate
February 6, 2018
Reviewer:
Jeff from Tucson, AZ United States
I have connected this device and three others (all different models) in series and observed that only this device reported the voltage being unstable by up to .2V it also showed a 30% difference in total mAH power. On the good side it does display time which is very valuable. As a quantative measurement tool it is of little value but it does have great value if you want to observe a batterys capacity over multiple charge cycles.
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So far, this Product Review was helpful to 1 TTS Customers.
USB Port Tester
June 12, 2017
Reviewer:
Richard Seabrook from Annapolis, MD United States
Item arrived promptly, in excellent shape and worked exactly as expected.
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So far, this Product Review was helpful to 0 TTS Customers.
USB 3-in-1 Voltage/Current/Capacity Meter
May 27, 2017
Reviewer:
John Hall from Northborough, MA United States
Perfect instrument for USB charging and battery evaluation.
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USB charger meter
May 16, 2017
Reviewer:
Bob Freund from Salem, OR United States
Very clear display of terminal voltage, charge current, elapsed time, and current integrated over time (mAHr) to help determine battery capacity.
tester 
Inaccurate 
