BBX1-8S Li-Po / Li-ion Battery Voltage Tester with Buzzer Alarm
The BBX1-8S Li-Po / Li-ion Battery Voltage Tester with Buzzer Alarm is a compact and efficient tool designed to monitor the voltage levels of your batteries with precision. Supporting 1–8 cell configurations, it can measure individual cell voltages as well as the total pack voltage, ensuring accurate and reliable readings. With a clear digital display and a user-adjustable alarm threshold, it alerts you when any cell drops below a safe voltage level, preventing over-discharge and extending battery life. Lightweight and easy to use, this tester is ideal for RC drones, cars, boats, and other battery-powered applications where performance and safety are critical.
Features
- Supports 1S–8S Li-Po, Li-ion, LiMn, and LiFe battery packs.
- Displays individual cell voltage and total pack voltage.
- High accuracy with ±0.01V precision.
- Adjustable low-voltage alarm threshold (2.7–3.8V per cell or OFF).
- Push-Button Interface Easy-to-access button allows users to set and save low voltage alarm thresholds.
- Loud buzzer alarm for low-voltage warning.
- Compact and lightweight (only 13g) for portability.
- Easy plug-and-play operation, no setup required.
- Helps prevent over-discharge and protects battery lifespan.
Specifications
| Specification | Details |
|---|---|
| Model | BBX1-8S |
| Type | Li-Po / Li-ion Battery Voltage Tester with Buzzer Alarm |
| Supported Cell Count | 1–8 cells (LiPo / Li-ion / LiMn / LiFe) |
| Cell Voltage Range | 0.5 – 4.5 V per cell |
| Total Voltage Range | 0.5 – 36 V |
| Voltage Accuracy | ±0.01 V |
| Alarm Threshold Range | OFF or 2.7 – 3.8 V per cell (user adjustable) |
| Alarm Mode | Active on 2S – 8S packs |
| Dimensions (L×W×H) | 41 × 29 × 13 mm |
| Weight | 13 g |
Applications
- RC drones and quadcopters (FPV racing and aerial photography).
- RC cars, trucks, and buggies.
- RC boats and watercraft.
- Airplanes and helicopters powered by Li-Po / Li-ion packs.
- DIY electronics and battery-powered projects.
- Battery maintenance and testing for hobby use.
Package Contents
- 1 x BBX1-8S Li-Po / Li-ion Battery Voltage Tester with Buzzer Alarm



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