Battery Voltage Tester & Alarm with Dual-Buzzer

Regular price $2.99

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Use this voltage tester and alarm to test batteries on the go, or leave connected to your RC Vehicle for a low-voltage alarm to sound to avoid killing your Li-Po Batteries. 



  • Tests 1-8S Batteries
  • Low voltage alarm mode for 2-8S
  • Works with Multiple Battery Types



  • No. of Cells Capable of Testing: 1-8S
  • No. of Cells Capable of Working with Alarm: 2-8S
  • Types of Batteries: Lipo/Li-ion/LiMn/Li-Fe Battery
  • Voltage detection precision: 0.01V
  • Unit voltage display range: 0.5V-4.5V
  • Total voltage display range: 0.5V-36V
  • 1S test mode voltage range: 3.7v-30v
  • Alarm set value range: OFF-2.7V-3.8V
  • Size: 3.9cm x 2.4cm x 0.9cm



  • Pre-set value is 3.3V
  • When the voltage is below the set value, it will sound with a red LED light
  • Push key which can change the voltage settings and save



(1) Battery Voltage Tester with Dual-Buzzer Low-Voltage Alarm



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