Specification:

Use for 1-8S Lipo/Li-ion/LiMn/Li-Fe
Voltage detection precision: +_0.01V.
Unit voltage display range: 0.5~4.5V
Total voltage display range: 0.5~36V
1S test mode voltage range: 3.7~30V
Low voltage alarm mode for 2-8S
Alarm set value range:OFF~2.7~3.8V

Features:

Function of checking your lipo cells voltage.
Voltage display function and low voltage alarm funtion.
Protect the battery from overcharging or overdischarging.
Super loud alarm sound makes it easier to find your drone.
Use for 1-8s Lipo/Li-ion/LiMn/Li-Fe.
Test the working state of lithium battery.
Automatic protects against reverse connection.

Note:When the voltage is below the set value,it will buzzer with red LED light,pre-set value 3.3V.Push key which can change the voltage settings and save.

Package includes:

5pcs 2 in 1 RC 1-8s battery tester with low voltage buzzer alarm and LED indicator