2x RC Lipo Battery Low Voltage Alarm 1S-8S Buzzer Indicator Checker Tester LED
2x RC Lipo Battery Low Voltage Alarm Buzzer Indicator Checker Tester
2x RC Lipo Battery Low Voltage Alarm Buzzer Indicator Checker Tester
Product Code: p309
Brand: Battery
Product Condition: New
£6.49 inc. tax
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3.7v to 14.4v 2s/3s/4s/5s/6s/7s/8s

2x RC Li-poly Battery Low Voltage Buzzer Alarm + LED

Lipo, Li-ion, LiMn, Li-Fe

Buzzer and LED Voltage Display for 1 to 8 Battery Cells


Prevents damage to your battery due to low voltage

Simple to use lithium-polymer battery low voltage alarm that is small and light for on board use during flight, it plugs directly into the battery's balance charger lead for detecting low voltage on individual cells.

A loud alarm will sound and the LED will change from green to red if any battery cell drops below 3.3v.

This low cost gadget will keep your batteries protected and aircraft uncrashed!


A must for any RC Pilot!

  • Product name: Low Voltage Buzzer Alarm
  •   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
  •   Size: 40mm x 25mm x 11mm
  •   Gross Weight : about 10g
  •   When the voltage is below the set value , buzzer will sound with red LED Light , pre-set value 3.3V
  •   Push key which can change the voltage settings and save.


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