Computers

USB Current/Voltage Detector – Charger Analyzer

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Displays USB voltage and current

Tells you the voltage and current flowing out of your USB charger into your device — smartphone, tablet, or other gizmo. Lets you compare all your chargers and cables to see which ones actually deliver the most power to your device, charging it the fastest. Quick troubleshooting of charging issues – is it the device, the cable or the charger that’s problematic? There are several competing products — I’ve got some of those also — this one seems to be well made, reliable and accurate.

-- J. Hampton 12/31/15