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5 Pcs Lithium Battery Low Voltage Battery Checker Tester Sound Light Warning Real Time Detection Battery Voltage Buzzer Alarm for 2S 3S

How to Use: After the battery is assembled on the model, insert the alarm into the balanced charging socket and fix it. Specification: Item Type: Lithium Battery Low Voltage Alarm Material: PCB Package List: 5 x Lithium Battery Low Voltage Alarm

Product Features

  • DOUBLE REMINDING: When any battery voltage is lower than 3.0V, the lithium battery tester monitor will sound and the light will flash, double reminding.
  • COMPACT SIZE: Using IC, all components are SMD, small size and light weight, suitable for any aircraft, vehicle and ship , without adding additional burden.
  • REAL TIME DETECTION: The low voltage buzzer alarm detects the discharge voltage of each battery of the lithium battery pack in real time.
  • LIFE PROLONGING: The alarm reminds you to replace the battery and in time, prevents over discharge, effectively protecting the service life of the battery pack.
  • APPLICABLE BATTERY: The lithium battery checker tester is suitable for all 2S to 3S lithium battery packs, with compatibility.

5PCS Lithium Battery Low Voltage Checker, Buzzer Alarm for 2S/3S Batteries

$121.00Price
Quantity
✔ IN STOCK - Leaves warehouse within 2 - 3 business days
Enter 5POWER at checkout for 5% OFF & Free Shipping 
FREE Delivery between March 17 & March 20, 2026
by AUSTRALIA POST
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