ANDROID MOBILE CHARGER USING

SOLAR PANELPRESENTED BY

P.JAWAHARMAILVAHANAND.PRADEESH KARTHICKV.PREM KUMARIII EEE SNSCOLLEGE OF TECHNOLOGY

INTRODUCTION

Now a days business travelers can find it difficult to have their phone or tablet get through a busy day on the road without running the battery dry.

This portable charger solve that problem. Portable chargers for smartphones and Tablets While phones and tablets now get decent battery life, frequent travelers can stretch that life to the limit. Long days away from power outlets and heavy usage can drain even good batteries dry. Portable power chargers are small battery packs that can be used during the day to top off batteries when they get low. They add very little bulk to briefcases and gear bags and can be lifesavers when needed. There are dozens of portable chargers on the market, many from unknown companies that might not be good

SOLAR ENERGY

The energy the sun radiates is preferable to other sources of energy because solar radiation is abundant and will be for many more millions of years. Solar radiation cannot be cut off or made more costly, unlike other energy sources. Putting solar radiation to work does not directly pollute the environment. It is a clean, safe source of energy. The energy itself is free. Solar energy can be used in quite a few different ways.

The solar energy reaching the periphery of the earth’s atmosphere is considered to be constant for all practical purposes, and is known as the solar constant. Because of the difficulty in achieving accurate measurements, the exact value of the solar constant is not known with certainly but is believed to be between 1,353 and 1,395 W/m2.Below is the distribution of solar radiation on the surface of the earth.

ADVANTAGES OF SOLAR ENERGY

ENVIRONMENTLY FRIENDLY SAVES YOUR MONEY INDEPENDENCY LOW/NO MAINTENANCE

SOLAR BATTERY CHARGER

Solar battery charger is one of the examples of solar powered devices. In this kit, the solar energy is converted into electrical energy and is stored in the rechargeable batteries. When the batteries get discharged after the usage, they can be again charged by exposing the kit to the sun light. Here is how the kit actually looks.

SOLAR PANEL Solar panel is the packaged, connected assembly of solar cells. Solar

panels use light energy from the sun to generate electricity. Solar panels are constructed as per the desired output.

SOLAR CHARGERS ON THE MARKET

Portable solar chargers are used to charge cell phones and other small electronic devices on the go. Chargers on the market today use various types of solar panels, ranging from the inefficient thin film panels with 10% efficiency or less, to the much more efficient monocrystalline panels which offer efficiencies up to 19%.

The other type of portable solar chargers are those with wheels which enable them to be transported from one place to another and be used by a lot of people. They are semi-public, considering the fact that are used publicly but not permanently installed. A good example of this kind of portable solar charger is Strawberry Mini device.

WORKING

When the battery charger kit is exposed to sunlight, the photons are incident on the solar panel. These photons are absorbed by the solar panel. This absorbed light energy is converted into electrical energy by the solar panel, which is nothing but the photoelectric effect.

Now from the sunlight by taking the light energy and we can say processing it, we get electrical energy which now can be stored in rechargeable batteries the we have. When the batteries get discharged we can recharge them by exposing the kit to sunlight

USES

In our everyday life we use many devices working on batteries. Batteries can be used in remotes, toys, digital cameras, torches etc. now this charger we made is of small capacity. If we want the charger for more applications obviously according to need we can design them using.

CONCLUSION

This solar battery charger is just one of the examples of solar powered devices. We are reusing these batteries by recharging them using solar energy. By doing so firstly we are saving the non-renewable energy source and are avoiding electrical waste. Also without harming the environment we are using the natural energy sources for our energy needs.

If every one of us uses such more and more solar powered devices, the energy crisis can be minimized at a very great level. By using solar devices more we are directly reducing the rate of consumption of non-renewable sources and are making these sources available to the upcoming generations.

THANK YOU !!!!!!!!!!!