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Mini Battery Capacity Indicator LED Module for 1S/2S Li‑ion Batteries (3.7V‑4.2V) – Accurate Power Display
Keep your devices powered and protected with our compact Mini Battery Capacity Indicator LED Module. Designed specifically for 1‑cell (1S) and 2‑cell (2S) Li‑ion batteries, this module delivers a clear, real‑time visual readout of voltage and remaining capacity, helping you avoid unexpected shutdowns and extend battery life.
Key Highlights
- 🔋 Accurate Power Display: Precise voltage detection across the full 3.7 V – 4.2 V range for reliable capacity monitoring.
- 💡 Bright LED Indicators: Multi‑color LEDs (green, amber, red) instantly show charge status at a glance.
- 📏 Compact Design: Small footprint (15 mm × 10 mm) fits tight spaces in drones, RC toys, portable tools, and more.
- ⚡ Low Power Consumption: Draws less than 5 mA, preserving battery life while providing continuous feedback.
- 🔌 Easy Wiring: Simple 3‑wire connection (V+, GND, Signal) – no soldering required for most applications.
- 🛡️ Built‑In Over‑Discharge Protection: Alerts you before the battery drops below safe thresholds.
Specifications
- Battery Compatibility: 1S (single cell) or 2S (dual cell) Li‑ion / Li‑polymer
- Operating Voltage: 3.7 V – 4.2 V per cell
- LED Colors: Green (Full), Amber (Medium), Red (Low)
- Current Draw: ≤ 5 mA (typical)
- Dimensions: 15 mm × 10 mm × 4 mm
- Temperature Range: -20 °C to +85 °C
- Mounting: Surface‑mount or plug‑in with optional adhesive pad
Why Choose This LED Capacity Indicator?
Whether you’re building a high‑performance drone, a remote‑controlled car, or a portable power pack, knowing exactly how much charge remains is essential. Our Mini Battery Capacity Indicator offers:
- Instant visual feedback without the need for a separate display or smartphone app.
- Enhanced safety by warning you of low‑voltage conditions before damage occurs.
- Improved efficiency, allowing you to plan charging cycles and maximize runtime.
- Universal fit for most 1S/2S Li‑ion packs, making it a versatile upgrade for any project.
Easy Installation & Use
Integrating the module into your project is straightforward:
- Connect the V+ pin to the positive terminal of your battery pack.
- Connect the GND pin to the battery’s ground.
- Connect the Signal pin to your controller or leave it unconnected for standalone LED operation.
- Secure the module with the included double‑sided adhesive or solder it onto a PCB.
Upgrade your power management today with the Mini Battery Capacity Indicator LED Module – the smart, reliable way to keep your Li‑ion batteries performing at their best.
Price: Original price was: $ 3.22.$ 1.54Current price is: $ 1.54.