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First, I’ll start by saying that photos you see of laptop computers plugged into solar panels is misleading, but is typical of photos you will see around the internet on sites promoting solar power. The truth is… you cannot usually charge a laptop directly from a solar panel.
Why?
1. The output voltage of the panel probably won’t match your computer
2. The panel likely doesn’t come with a connector for your computer
3. Laptop batteries are not easily charged from a passive source like solar
4. You certainly cannot ‘run’ a 30 Watt device from a 10 Watt power source
So, how can a solar powered laptop be created?
Actually, it isn’t too difficult, but it does require a little planning.
So here it is. Step-by-step.
1. Choose a solar panel to match your power consumption
We’ll assume that your laptop is like most others, and consumes about 30 Watts while it is running. Some laptops with big dual processors etc can consume up to 100 Watts if they are burning DVDs or other intensive operations. But for our purposes, and assuming that you are a practical person who knows how to dial back their power settings, we will go with the standard number of 30 Watts continuous.
Now, you need to determine your usage time.
How many hours a day do you absolutely have to have on the computer? The bare minimum now, with no coffee breaks. If you use the computer for 1 hour each day, then you will need to offset 30 Watt-Hours with your solar panel, which will equate to a minimum 10 Watt solar panel for most areas (May-Sept).
2. Store the solar power
Sunlight & hence solar power is unpredictable. So most good, reliable, solar power systems provide a means of storing the power produced by the panel so that it can be used when & how it is needed. You can run a 1-Watt GPS direct from a solar panel on a cloudy day, because even on a cloudy day, a 5-Watt solar panel should be able to provide 20% of its peak output (ie 20% of 5Watts = 1Watt).
But what do you do when the device you need to run is larger than the peak output of your solar panel? How can a 10-Watt solar panel power a 30-Watt computer?
Simple, put the solar panel out all day connected to a battery so that all the solar power collected will be stored in the battery. Equipment can then be connected to the battery as needed – batteries are typically able to release more power than was used to charge them, and only their capacity will dictate how long you can run from them.
3. Give the stored power to the laptop
Let’s avoid AC power if possible…
An AC inverter is a small device that converts battery power to household outlet “AC” power.
AC power is something you will want to avoid in a portable power application if at all possible. It is documented in other areas of our website how an AC inverter is quite inefficient, and requires system support that makes portability a bit difficult.
The other, more desirable option is to use a voltage converter to create the power your laptop needs. Whether you are wanting to charge directly from the solar panel, or via your solar power storage battery, the voltage converter will provide the proper voltage for your computer’s battery system.
In conclusion…
Creating a portable solar power system using flexible, foldable solar panels for extended expeditions with your laptop computer requires some careful considerations. Choosing a solar panel that adequately offsets your power consumption. Storing the electricity you generate from the solar panel for later use and to moderate the variable power of the sun. And finally, use a voltage converter, or AC inverter, to provide your laptop with the correct voltage power.
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As we expected google made quite new changes in algorithms. The page rank shuffled in early January and now I have came up with the seo ethics that would booze the ranking high in google and other search engines quickly.
Actually there is nothing like secret tips that can be implemented in 2010, seo would remain the same as per my view. Just we need to change the methodology of our work. Analyze more and work less that’s the way seo service 2010 would be.
I am new to SEO and don’t have expertise but still as my analysis I have prepared a list of points that we all seo’s should do at the primary stage as we did it before but in better way and also following the new algorithm of google.
On Page Optimizations the most Important factor for the Website to Get Rankings.
Glossary pages are good content for SEO
Use footer links sparingly and only link to your most important pages. Don’t waste page rank on content that is worthless.
Use Google Insights to make sure the keywords you are focusing on do not have declining interest.
Perform ongoing keyword research. The way people search changes.
Use Google Trends to check traffic trends in different markets. There may be emerging opportunities in other geographic areas.
Make website more user friendly and not Google friendly.
Off Page Optimization will have some impact?
Link Building: No follow one link on a page and all become no follow
The sequence of links on a page matters. Put the important ones on top.
Social Media Optimization has gained the top positions to get top rankings.
Real Time search would be big factor in 2010.
Use more social networking & bookmarking for better rankings such as twitter, facebook, technorati etc.
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With Christmas fast approaching, it is time to think of gift philippines for our loved ones. Retail surveys show that there has been a steady increase of giving gadgets as gifts during Christmas. With how far technology has become and how wide its base of users are, it comes as no surprise. From preschoolers to sixty-year old people, gadgets are one of the coolest and most-appreciated gift philippines to give during Christmas.
So what do you give your techie loved one on Christmas when he is updated with everything technology-related? Here are the top 10 gadgets of 2009 to serve as your guide to giving gift philippines.
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