1S 18650 Li-Po Lithium Battery Capacity Indicator Module

🔋 1S 18650 Li-Po Lithium Battery Capacity Indicator 🔋

This module is designed to display the remaining charge of a single-cell 3.7V lithium battery (1S 18650 Li-ion or Li-Po). Equipped with a 4-level LED indicator, it provides a clear view of the battery’s capacity, helping prevent over-discharge and ensuring longer battery life. Perfect for portable power systems and DIY electronics.

✅ Technical Specifications:

• Supported Battery: 1S Li-ion / Li-Po 3.7V.
• Nominal Voltage: 3.7V.
• Voltage Range: 3.2V – 4.2V.
• Display: 4-level LED indicator (25% / 50% / 75% / 100%).
• Dimensions: ~40 × 15 × 5 mm.
• Approx. Weight: 5 g.

🔹 Key Features:

✔ Clear 4-level LED display of battery capacity.

✔ Compact and lightweight design.

✔ Prevents deep discharge for longer battery life.

✔ Easy to connect with 18650 battery circuits.

✔ Ideal for portable electronics and power banks.

📌 Common Applications:

• Monitoring 18650 lithium battery capacity.
• Power bank projects and portable energy devices.
• Portable lighting systems.
• Low-power IoT devices.
• Educational and DIY electronics.