LiPo Battery Voltage Tester with Low Voltage Buzzer Alarm 1S-8S LED Display

LiPo Battery Voltage Tester & Low Voltage Buzzer Alarm (1S–8S)

Monitor your LiPo battery health in real time with this compact voltage tester and low voltage alarm. Features a bright red LED 7-segment display showing cell voltage, dual buzzers for audible low-voltage alerts, and supports 1S to 8S LiPo/Li-ion/LiFe battery packs.

Key Features

• Supports 1S to 8S LiPo, Li-ion, and LiFe battery packs
• Red LED 7-segment display showing per-cell voltage
• Dual built-in buzzers for loud low-voltage alarm
• JST-XH balance connector input
• Instant plug-and-read — no power source needed
• Compact and lightweight for field use

Specifications

• Input: JST-XH balance plug (1S–8S)
• Voltage Range: 2.7V–4.5V per cell
• Display: 3-digit red LED
• Alarm Threshold: <3.3V per cell (default)
• Accuracy: ±0.01V

Applications

• RC cars, drones, and aircraft
• Robotics and DIY electronics
• Solar battery monitoring
• LiPo battery maintenance and storage checks