HH-D-Monitor battery blance charger

show a graph of the voltage/current via the USB port when charger working
show the unit voltage,capacity,temperature
measure the internal resistance of lithium battery at the state of 2A,4A and 1KHz
can be used as a temperature gauge,its measure range is 0-100°C,tolerance:±1°C
with built-in 1200mAh lipo battery,it can work for continuously more than 11 hours
over voltage and reverse polarity protect function
standby power consumption:<2mA
Dimension:108*70*19mm