ITEM NAME:1X(Newest MX16 Digital USB Tester Voltage Indicator Current MultifunctionalT9J2) 1X(Newest MX16 Digital USB Tester Voltage Indicator Current MultifunctionalT9J2) 1X(Main Features: Multifunctional Testing Tool, it can measure voltage, current, discharge flow, also includes timing, over flow and voltage protection Small size,easy to carry and store, you can use it anywhere and anytime The screen displays current and voltage data for easy viewing With automatically save data function when interruption of power supply Measuring Method: USB input port is plugged in 5V charger,USB output port is connected to mobile phone,directly read the current and voltage parameters Measuring Micro-USB line quality: USB output port is connected to mobile phone,USB input port is plugged in the 5V charger first,remember the voltage,then Micro USB input port is connected to 5V charger,remember the voltage. The smaller the voltage difference,the better the quality of the Micro-USB line Use TP4056 and other linear charging circuit,through this capacity table, to fully charge the battery with completely no power, the capacity data is the battery capacity,and using this method,you can also test the mobile phone charging capacity Connect this testing tool to portable power source and turn on it.Press the button until the capacity data is zero.Insert the cell phone to charge until the portable power source switches off automatically.The next time you open this testing tool,the display capacity is the portable power source output mAh Parameter: Voltage ( input / output ): 4V - 30V Current ( input / output ): 0A - 5A Accuracy: + / - 1 percent Timekeeping:0 - 99 hours Timing:0 - 24 hours Power:0 - 150W Capacity:0 - 99999mAh Application:Computer,Mobile phone Color:Black material:plastic Product Size(L x W x H):7.00 x 2.40 x 1.30cm / 2.76 x 0.94 x 0.51 inches Package Contents: 1*Digital USB Tester )
