Battery Tester Monitor Can Test the Working State of Lithium Battery. Protect the Battery from Overcharging or Overdischarging.When the Voltage is Below the Set Value, it Will Buzzer with Red LED Light
Low Voltage Alarm: the Battery Monitor Checker will Keep Buzzing When the Voltage is Below the Set Value; Pre-set Value is 3.3 V, and you Can Change and Save the Voltage Settings through the Black Button Between 2 Black Electric Horns
Display Mode: the Battery Indicator is with a Clear LED Display, Which Help You Read the Value of Battery Cell Voltages , Total Voltages,Lowest Cell Voltage, and Remaining Battery Capacity Easily
Easy to Operate: Just Plug Into the Balance Plug and the LED Will Cycle through the Individual Cell Voltages as well as list the Total Voltage,Works with any 1-8S Lipo/Li-Ion/LiMn/Li-Fe RC Drone Battery
Application: the Digital Battery Meter is Designed to Test the Voltage of 1s-8s Batteries, Support Automatic Protection Against Reverse Connection for a Longer Service Life of Battery