Battery voltage checker and low voltage alarm 2 in 1 unit. when plug the battery balance connector into this unit, the LED light will display the total voltage and individual voltage of each cell.
Through the push button, you can turn off or on the alarm and set the low voltage value between 2.7V and 3.8V.
With two speakers, the sound of alarm is big, so you can use it as on-board alarm.
Specifications:
