Multifunctional USB Digital Voltage Current Testing Tool 4 - 30V
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Multifunctional USB Digital Voltage Current Testing Tool 4 - 30V
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$5.93
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, voltage, and mAh data for easy viewing
With power down storage function and precision current save function
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 - 3A
Test capacity range: 0 - 99999mA
Accuracy: + / - 1 percent
Input: USB 2.0 Micro USB
Output: USB 2.0
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, voltage, and mAh data for easy viewing
With power down storage function and precision current save function
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 - 3A
Test capacity range: 0 - 99999mA
Accuracy: + / - 1 percent
Input: USB 2.0 Micro USB
Output: USB 2.0
Application: Computer,Mobile phone
Package weight: 0.047 kg
Product Size(L x W x H): 7.30 x 2.80 x 1.50 cm / 2.87 x 1.1 x 0.59 inches
Package Size(L x W x H): 11.50 x 7.50 x 1.60 cm / 4.53 x 2.95 x 0.63 inches
Product Size(L x W x H): 7.30 x 2.80 x 1.50 cm / 2.87 x 1.1 x 0.59 inches
Package Size(L x W x H): 11.50 x 7.50 x 1.60 cm / 4.53 x 2.95 x 0.63 inches
Package Contents: 1 x USB Detector
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