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Under-voltage Buzzer Alarm
3.0 JOD
In Stock — 1 available
LiPo battery low-voltage alarm that plugs into the balance lead and beeps loudly before your cells are over-discharged in RC models and drones.
The alarm plugs into the balance connector of a 1–8S lithium-polymer pack and shows each cell voltage and the pack total on its LED display, to ±0.01 V. When any cell falls below the threshold, a loud buzzer and flashing LED warn you to land, stop or swap the battery before it is damaged by over-discharge. The threshold is set per cell from 2.7 V to 3.8 V in 0.1 V steps with the onboard button (3.3 V by default), or switched off, and the alarm works on 2–8S packs. It is widely used on RC planes, drones, cars and boats, and as a quick cell checker on the workbench.
Specifications
- Operating Voltage
- 1–8S LiPo (alarm on 2–8S) · 0.5–36 V total
- Interface / Output
- Balance-lead input, LED display, buzzer
- Output Rating
- Alarm 2.7–3.8 V/cell or OFF, default 3.3 V
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