Premium New Keweisi USB Charger Doctor Mobile Power Detector Tester

Description

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Premium New Keweisi USB Charger Doctor Mobile Power Detector Tester
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 ) : 3V - 9V
Voltage resolution: 0.01V
Current ( input / output ) : 0A - 3A
Current resolution: 0.01A
Accuracy: + / - 1 percent
Application: Computer,Mobile phone
Package weight: 0.044 kg
Product Size(L x W x H): 7.30 x 2.40 x 1.30 cm / 2.87 x 0.94 x 0.51 inches
Package Size(L x W x H): 12.00 x 8.00 x 1.50 cm / 4.72 x 3.15 x 0.59 inches
Package Contents:
1* USB Detector
Kindly Notes:
Due to the light of photography and screen setting difference, the actual color may little vary from the pictures.
Hand measure,please allow slight dimension difference due to different manual measurement.
Really sorry for the inconveniences this brings to you.