5PCS 1-8s Lipo Battery Voltage Tester, Low Voltage Alarm Mode for 2-8S, Function of Checking Your Lipo Cells Voltage
Use for 1-8s Lipo/Li-ion/LiMn/Li-Fe,Automatic Protects Against Reverse Connection
Voltage Display Function and Low Voltage Alarm Funtion
Protect the Battery from Overcharging or Overdischarging
When the Voltage is Below the Set Value,It Will Buzzer with Red LED Light,Pre-set Value 3.3V.Push Key which Can Change the Voltage Settings and Save