Product Description
Feature:
Reverse Connect Protection
Range: DC4.5.0-30V (No need aditional power)
Display: Three 0.56'' LED digital tube
Display color: RED
Refresh rate: about 500mS / times
Input: DC voltage (<2 times the range)
Resolution: 1% +1 digit
Power Su..
Performance and highlights:
Voltmeter wide range DC4.5 ~ 40V.
5V/2A output current (Only when the input voltage is 6.5 ~ 40V, it can output 5V).
A key ("Output Enable" button) switch USB output, a key ("low-power" button) to enter the ultra-low power.
Voltmeter can be artificial..
TECHNICAL PARAMETERS:
Scope of work: Current (0~2.5A) can detect mobile phone charger voltage compliance DC5V
Operating Range : U = 3 ~ 7.5V I = 0 ~ 2.5A
Resolution : Voltage 10mV current 1mA
Error : voltage <± 1% current <± 2%
Full scale drop : ( When measuring current ) 200mV
..
DESCRIPTION:
USB Charger Doctor Voltage Current Meter Mobile Battery Tester Power Detector
FEATURES:
100% Brand New and High Quality
Display data: Voltage Current
Input USB
RTZ, Reset button, press it three seconds will Reset
Out USB
Voltage: 4V-20V ( 1% accuracy )
Current: 0..
DESCRIPTION:
• This test can be a USB charging current, voltage, discharge capacity,Quantity of electric charge,power, timing, intelligent devices.
• It can be very easy to find digital device charging problem.
• Tester three dimensional size 65 * 24 * 14mm  ..