## How Does a Solar Powered Portable Charger Work?
1. **How does the solar panel on a portable charger generate electricity?**.
2. **How is the electricity stored in the charger?**.
3. **How can the stored electricity be used to charge electronic devices?**.
## Answer:
1. When exposed to sunlight, the solar panel on a portable charger converts the sunlight into direct current (DC) electricity through the photovoltaic effect. The solar cells in the panel absorb photons from the sunlight, which causes the electrons in the cells to become energized and flow, creating an electric current.
2. The electricity generated by the solar panel is then passed through a charge controller and stored in a rechargeable battery within the portable charger. The charge controller regulates the flow of electricity to prevent overcharging of the battery, which could damage the charger.
3. When a portable electronic device, such as a smartphone or tablet, is connected to the portable charger via a USB cable, the stored electricity in the battery is then transferred from the charger to the device. The charger acts as a power source, supplying the device with the necessary energy to charge its internal battery.
In summary, a solar powered portable charger works by harnessing sunlight through a solar panel, converting it into electricity, storing it in a rechargeable battery, and then using that stored electricity to charge electronic devices. This allows users to conveniently charge their devices on-the-go using renewable solar energy.
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