Undervoltage Battery Alarm Module with digital display for real-time battery voltage monitoring. Alerts with a buzzer when voltage drops below the preset threshold, ideal for Li-ion, LiPo, and DIY battery protection projects.
Overview:
The Undervoltage Battery Alarm Module is a compact voltage monitoring device designed to protect batteries from over-discharge. It features a clear 3-digit LED display that shows the real-time battery voltage and an onboard buzzer that activates when the voltage falls below a preset safe level. This makes it especially useful for Li-ion, LiPo, and other rechargeable battery packs.
The module is easy to install and requires no programming. It automatically detects low voltage conditions and provides an audible warning to help extend battery life and prevent damage. Due to its small size and low power consumption, it is widely used in RC models, power banks, DIY electronics, and battery-powered systems.
Specifications:
Product Type: Undervoltage Battery Alarm Module
Display: 3-digit LED voltage display
Alarm Type: Built-in buzzer (low-voltage warning)
Power Consumption: Very low
Installation: Direct battery connection
Size: Compact and lightweight
Applications:
Li-ion / LiPo battery protection
RC cars, drones, and boats
DIY electronics projects
Battery-powered systems
Power banks and portable devices
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