Battery Tester with Buzzer Alarm for 1-8 cells Li-Po Upgraded!
[rc711-BT-Alarm]

Lipo Battery Voltage Tester with Low Voltage Buzzer Alarm

When voltage lower than 3.3V, it will buzzer with red light! Really useful during flight!

No need to connect the cell one by one, automatically rotate and display the cell number. LED bright display. Only shows the voltage of available cells! e.g. if you test 3S LiPo, it will only rotate between No.1, No.2 and No.3.

Specification:
(1) Use for 1~8 cell Lipo/ Li-ion/ Li-Fe
(2) Low voltage buzzer alarm mode for 2~8S