7.4v-11.1v Lipo Battery low voltage buzzer
	Requires the balance charger plug on the battery. Each LiPo has a Minimun discharged voltage of 3.0V before damage occurs, Each LiPo cell = 3.7V (nominal) no matter how many cells are in parallel. Each LiPo cell has a Minimun charged voltage of 3.25V before damage, and risk of fire occurs. Weight: about 4 g /cell. The Alarm sounds and red lights to warn you when the battery voltage is too low. It can prevent your lipo battery damaged due to low voltage. Good for 2 Cells 7.4V and 3 Cells 11.1V and 4 Cell 14.4V Lipo Batteries.