Low Voltage Alarm Mode for 2-8S, Function of Checking Your Lipo Cells Voltage Use for 1-8s Lipo/Li-ion/LiMn/Li-Fe RC drone battery, Automatic Protects Against Reverse Connection Voltage Display Function and Low Voltage Alarm Function，Protect the Battery from Overcharging or Overdischarging When the Voltage is Below the Set Value（Pre-set Value 3.3V）,It Will Buzzer with Red LED Light, and super loud alarm sound makes it easier to find your drone 【 Any questions? / Mass customization?】Please click “Wishiot”(you can find "Sold by Wishiot" under Buy Now button), in the new page, click “Ask a question” to email us Wishiot 1-8S Lipo/Li-ion/Fe Battery Voltage 2IN1 Tester Low Voltage Buzzer Alarm

For 1-8 seconds Lipo/Li-ion/LiMn/Li-Fe.
It can check your battery voltage, the LED display will show the cell voltage value, total voltage, minimum cell voltage.
And it has a low voltage alarm function to prevent the battery from being overcharged or overdischarged and reduce battery loss
Test the working state of the lithium battery.
Automatically prevent reverse connections.

Features:
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 ange: 3.7v~30v
Low voltage alarm mode for 2-8S
Alarm set value range:OFF~2.7~3.8V

How to use：
1.Push Key Which Can Change The Voltage（2.7V-3.8V） Settings and Save.
2.When The Voltage is Below the Set Value,Tester Will Buzzer with Red LED Light,.(Pre-set Value 3.3V)
3.Turn the button to "off" and remove the test battery to stop the buzzer.
It will also stop beeping when the voltage is restored.

Specification:
Size: 40mm x 25mm x 11mm
Original box: NO
weight:20g
Color: Red

Package Content:
2 X 1-8S Battery Voltage 2IN1 Tester Low Voltage Buzzer Alarm