The Solar-Powered Backpack is an innovative portable charging solution that integrates a flexible solar panel onto a backpack. It allows users to charge mobile phones, tablets, power banks, and small gadgets while traveling, trekking, or during outdoor activities.

The solar panel captures sunlight and converts it into DC electricity, which is regulated through a charge controller and stored in a built-in battery pack inside the backpack. The stored energy is then available through USB ports to charge devices on the go. This makes it extremely useful for students, travelers, hikers, soldiers, and people in remote areas where electricity is not always available.

Parts Used:

1. Flexible Solar Panel (5W–15W) – Converts solar energy into electricity.
2. Rechargeable Battery Pack (Li-ion / Li-Po, 5V–12V) – Stores the generated energy.
3. Charge Controller Module – Manages charging and protects the battery.
4. DC-DC Converter (5V Regulator) – Provides stable USB output voltage.
5. USB Output Ports – For charging mobiles and gadgets.
6. Switch & LED Indicators – For power ON/OFF and charging status.
7. Backpack with Solar Mounting – To carry and integrate the system.
8. Wiring & Protective Enclosure – For safe connections.