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The first thing to do to build your own solar panel is to decide on the size of the panel. Obviously the bigger the panel the more energy you'll get, so that is something to consider. If you have a huge house, you will more than likely need to make large panels. Only the homeowner knows and understands his or her energy needs. After that, a guide that has all the instructions should be the next choice. A guide written by a company or something is probably not good, because a company writing a guide will most likely be writing for a business or another company, and you will end up confused trying to decode ''science speak''. A guide needs to be done by an expert who knows how to do it for homes.

That depends on your appliance; a voltage regulator does the same job as a converter, but also stabilizes the current to plus or minus 4% of the voltage standard. In real life, while countries are said to run on 110V or 220V power, it can actually vary between 75V and 130V for 110V countries, and 180V to 260V in 200v countries.

Household Frequency Converter Converters This will depend on the country that your appliance was manufactured in, the country in which you are using it, and its wattage or amperage. If you live in a country with 110V mains power and are buying from a country with 220V or 240V mains power, you'll need a step down converter. If you live in a country with 220V or 240V power and are buying from a 110V country, you'll need a step-up converter.

A Laptop: Most of us have one. But if you don't, you'll find it very annoying to use the one at your school or harp around looking for a PC-Internet cafe. Even though they're everywhere in Seoul, Busan, Daegu, Daejon or anywhere else. However you won't feel like embarrassing yourself in front of 20-year old computer game addicts who only speak the language of a role playing game.

Solar panels may sound expensive, and believe me, they are, but when all things are considered, the bite isn't really as bad as the bark. The main manufacturers (which you should use because in this case, a good track record and reputation are gold) are General Electric, Kyosera, Evergreen Spruce, British Petroleum, Sunteck, and Sharp.

The truth is, if you do it yourself, each panel could cost you less than USD 150 or GBP 100 (very nice!). OK, you need a few more inexpensive components to complete the system (a dc-ac converter and a battery), but you can build a system for a mere fraction of the cost of the commercial price.

Power Converters This can be an expensive piece that you need to buy. They range in price from $60 to $350. If you shop around on ebay, I'm sure you might be able to find one for less, but there's no guarantee. The above sites for solar cells will also sell converters.

dc dc Converter Underwear: Who would have thought, right? Buying underwear in an Asian country is much different that it is in North America and possibly Europe for two reasons. First, it's difficult to find a "6-pack" of underwear. Keep in mind that I'm speaking about this from a man's perspective. Koreans buy the under-garments one at a time. Second, each pair costs about 10,000 won. So 6 pairs sets you back 60,000 won.

With the iTrip Auto, you already have the charger built in, so you don't have to worry. I then went and purchased an AC to DC converter on eBay for $10 and just take my iTrip into the house when traveling and plug it to charge it there.