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Product Name: USB Power Tester Meter 2 in 1
Product Features:
Voltage measurement range: 3.60 - 30.0 V(0.01 V)
Current measurement range:0A-5.1A(0.01 A)
Capacity accumulation range:0-99999mAh(0.001 Ah)
Electricity accumulation range:0-99999mWh(0.01 Wh)
Maximum voltage current: 32V/8.0A (256W)
Test Charging Speed and Quality of USB Cable
Under the circumstance of the constant power supply and sustained load, the larger voltage and the lower voltage drop of the USB cable detected by this USB Tester means that the better quality of the USB Cables will be.
Test Capacity and Electric Energy of Power Bank
Make sure the power bank to be tested is fully charged firstly, then plug this USB Tester into it and reset the capacity and electric energy by long pressing, and connect your phone or load or other discharging devices, making it charge for phone and or other discharging devices till power bank run out of its energy. Finally, the reading on this USB Power Meter is real data of capacity of your power bank.
Test USB Charger
Check the charging performance (charging speed and quality) of the output wall/car/solar panel chargers and USB charging cables, and test capacity and electric energy of power bank.
It can be also used to find the highest current output of the Wireless Charger/ Wireless Charging Stand/Wireless Charging Pad.