This 2-8S Cell Battery low voltage alarm and monitoring device features loud twin Piezo "speaker" to notify you once your cells reach a user defined voltage.
You can setup the alarm to sound at a voltage between 2.7v~3.8v Per cell in 0.10v increments by pressing the setting mode button.
This unit also features a handy built in LED display that will show the voltage of each cell followed by the overall voltage of the pack.
Great for before flight battery check and a necessity when flying.
Alarm setup instructions: (if you want to change the alarm settings)
With your target battery connected, you push the button once and it displays the cell low voltage at which the alarm will sound. You immediately push it again and it will change the low voltage setting to sound the alarm at a different voltage. Keep pushing to select the voltage you want.
Battery type: Lipo/LiFe/Li-ion
Cell Voltage Display Range: 0.5v~4.5v
Total Voltage Display Range: 3.7~36v
Alarm set values: Off or 2.7~3.8v