DUTTY USB Tester Voltmeter Ammeter Multimeter 3-9V 0-3A LCD Digital Display Power Battery Tester for Power Capacity Mobile Phone Charger with Blue Shell
Features: Size:59mm (with usb73mm) 23mm 13.5mm Input/output voltage: 3-9v
Voltage resolution: 0.01V Input/output current: 0-3A Current resolution: 0.01A
Accuracy:±1% Weight:20g Instructions for use: N: The input terminal is
connected to the output port of the charger RTZ: reset key, press it for 3-5
seconds, and the screen displays reset Out: the output end is connected to the
USB end 0 of the data cable Input voltage display window (3-9v) accuracy ± 1%
Charging current display window (0-3A) accuracy ± 1% Battery capacity display
window (0-99999mah) Working time display window D (0-99h) unit: minute Working
time and empty quantity display have memory function after Power failure
Package Included: USB Tester1
 
Product Features
  

         
Real time monitoring of USB 2.0 multimeter battery tester, support qc2.0 5V 9V USB intelligent monitor current and voltage capacity.
         
KWS-V20 USB battery tester can detect the charging status, voltage, current, power and other indicators of 3C electronic equipment commonly used in life in real time. It is widely used in USB equipment and easy to operate.
         
Main components of the product: 1.LCD voltage and current display window 2.Working time and battery capacity display window 3.USB2.0 input port 4.USB2.0 output port 5.Reset button
         
KWS-V20 Voltage tester has a power-off storage function. When the mobile power supply is powered off, it can store capacity and energy data, which is convenient for subsequent viewing and convenient for capacity and energy measurement of the mobile power supply
         
Applicable to many daily devices, such as mobile phones, computers, car chargers, laptops, mobile phone chargers, laptops, etc