With CE certification, used for 1-8s Lipo / Li-ion / LiMn / Li-Fe.
Voltage detection precision: 0.01V.
Low voltage alarm mode for 2-8S.
When the voltage is below the set value,it will buzzer with red LED light, preset value 3.3V. Push key which can change the voltage settings and save.
Test the working state of lithium battery, to protect the battery from overcharging or over-discharging.