💡 DIY Club: Rechargeable LED Emergency Light (3–6 Hour Backup)

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🔥 Introduction

Power outages are common, especially during summer in Pakistan. In this DIY project, we will build a Rechargeable LED Emergency Light that provides 3 to 6 hours backup.

This project is simple, low-cost, and very useful for homes and students.

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🧰 Required Components

• LED Panel / High Bright LEDs

• 18650 Lithium Battery (2000–3000 mAh)

• TP4056 Charging Module (with protection)

• Step-Up Boost Converter (MT3608)

• ON/OFF Switch

• USB Cable

• Resistor (if using individual LEDs)

• Wires and Case

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⚙️ Working Principle

• The battery stores energy

• The TP4056 module charges the battery via USB

• The boost converter provides stable voltage to LEDs

• LEDs produce bright light during power failure

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🔌 Circuit Connections

1. Connect battery to TP4056 (B+ and B-)

2. Connect TP4056 output to Boost Converter input

3. Connect boost output to LED panel through switch

4. Use USB cable for charging

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🔋 Backup Time

• Battery: 2000–3000 mAh

• LED Load: depends on brightness

👉 Expected Backup: 3 to 6 hours

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💡 Tips for Better Performance

• Use high-efficiency LEDs

• Add diffuser cover for soft light

• Use larger battery for longer backup

• Ensure proper ventilation

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🎯 Final Result

• Bright LED Emergency Light

• USB Rechargeable

• Portable and reliable

• Perfect for load shedding and emergencies

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📌 Conclusion

This project is a must-have for every home. It not only helps during power outages but also improves your understanding of battery charging and LED circuits.

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