USB Devices Charging Tester Voltage Current Battery Capacity (mAH) Monitor

Description

This portable meter is to measure/monitor the voltage, current and charging capacity(mAh) data under the condition of USB device are charging.
Connecting the meter's input end to charger. Press the reset button(3~5 seconds) to make zero.then connect the output end to USB devices. It shows 3 readings of voltage, current and mAh.
USB test voltage range: 3V - 23V
Voltage resolution: 0.01V
Test current range: 0-3.0A
Current resolution: 0.01A
Acc. ± 1%
Capacity (energy) range: 0 - 99999mAH
Size: 76mm x 37.3mm x 16.8mm
Weight:30g