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Solar Power Electronics
How can I charge a laptop and other electronics from a solar power charged 12 volt car battery?
I live in a village in Africa as a humanitarian aid worker. My only source of power is a 30 volt solar panel. I have it wired into a 3 stage controller and from there into a 12v/150ah car battery. Everything is wired correctly and working. Here is my problem. I would like to be able to take a portable DVD player or my laptop out into the field if possible. Most of my electronic plugs take 110v or higher voltage and have outputs ranging from 9-19v. I do not have an inverter and do not have access to one so that is not an option to increase my voltage. Is there a safe way (for the electronics) to charge them directly from the 12volt battery instead of the factory given plug that requires 110-240v. In your answer consider me ignorant as this is my first foray into solar power and electrical wiring. In short, don't assume I know anything about electricity in your response. Thank you.
use your lead acid battery as the main charger
1 battery gives you 12v
2 batteries gives you 24v ( connect the battery in series of course)
now how to make the voltage drop to suit your required voltage? use high wattage diodes. One diode drops the voltage by 0.7v. Two in series will give you 1.4v drop.
e.g. your lap requires 19v dc to charge, you connect 7 diodes in series and wire them to the 2 batteries with 24v output total. Final output voltage will be 24-0.7x7=19.1 roughly
You can ask your pal back home to send you 10-20 diodes (low voltage, high current 3A-6A) which only cost a few US cents each..
Your portable DVD also runs on DC, check the DC voltage and adjust the battery voltage by diodes as described above.
Of course the simplest way is to buy the inverter
Solar Power Canada
I am sure that you noticed homes that have huge tinted windows in them when driving by. You may ask yourself why anyone would want such tall windows in their house. The reason is simple, they are using the sun to heat their homes and power all appliances and electronic devices. You may also have noticed solar panels on top of houses installed purposely to collect and transform the sun’s rays into current.
It is very possible to build a solar power system yourself by doing a little bit of research on the topic. If you have access to the internet like most people have, then you will find some free and paid information about Canadian solar power systems. Of course if you pay for the information, you will no doubt get a much better package put together, guides and videos for about $50.00. It is well worth the investment in order to build your own home solar power system for under $200.00 that will enable you to save thousands of dollars on your energy bill. After all, the sun is free.
Canadian houses like any other houses around the world are built to use solar power with just a few minor alterations to make. Make sure that your house is not blocked by huge trees, and also make sure you have plenty of windows facing the sun when it rises to the south side of your house. Solar Power Canada systems like any other systems around the world, don’t rely on the sun all the time but rather, they are built to store a great amount of power in batteries for the cloudy days. You can rest assured that even in the cold Canadian winters when you don’t see the sun for days, it is still possible to have sufficient solar power reserve until the sun makes its appearance again. You also have to lean how to conserve that energy by converting to more power efficient appliances, electronic devices and light bulbs. You can also install ceiling fans to disperse the hot or cold air in appropriate seasons; metal insulated doors are also a good choice for keeping the cold out during those Canadian winter months. Solar power Canada systems are built for the primary reason of saving the planet and the environment. The second and obvious reason is of course saving money, a great amount at that so you can enjoy life a little more. Installing or building your own home solar power system is catching on at a fast rate for all the right reasons.
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