Saturday, December 3, 2011

Things You Need Before You Start Building Your Own Basic Solar Panel Power System

!±8± Things You Need Before You Start Building Your Own Basic Solar Panel Power System

Start with following:

Firstly you need a solar panel to start. Recommended are the Mono-crystalline as they are the most advanced at the moment, they have quite a long life (15-25 years).

Mono-crystalline panels are made of little square cells about 5 x 5cm each, connected in series. Mono-crystalline panels can be found anywhere from 1 W to 280 W at the moment at 12 V or 24 V. It is very important to place the panels in a good spot where they will get the most sun on them and a safe and strong mounting is required as well.

Next you need some wire which recommended is the solar cable/wire with double insulation and UV protected, outdoor ready. Depending on how big you want the system to be, the more advanced equipment you find available and the more expensive it is, but we`re talking about a basic system to start with. For one of these systems you can just use a power gardening wire hidden from the sun, it will do the job. At this point we have the panel, firmly installed with a good positioning towards the sun and wired. That`s all what you need to produce power.

There are three ways to use the power that is getting produced by the panel:

1-use the power that is getting produced straight from the panels (during the day only)

2-store the power in a battery bank and use it when needed

3-export the power produced straight to your home grid (again during the day only)

List of components I've used with my system:

-1x 12 V, 100 W solar panel

-1x 24 V, 120 W solar panel

-4x 4.5 KA fuses

-1x C 60 (60 A) Xantrex Power charge controller (12 V or 24 V option)

-1x 300 W grid tie inverter Power Jack - China 20 V to 240 V

-1x 250 W grid tie inverter Masspower - USA 20 V to 240 V

-2x Power Meter UK

-2x 30 A fuses

-1x Bit MB Power inverter 3000 W continue and 6000 W peak 24 V to 240 V DC to AC (modified sine)

-4x 150 Ah 12 V Deep Cycle batteries, connected in series and parallel so they work as 24 V, 300 Ah

-1x DC 4 way switch

-14x battery cables

-2x pairs P.V. plug

-20m outdoor electric wire

Watch the video for this article: www.dashony.com

In my next article: How it works: Power Inverter, Power Charge Controller, Grid Tie Inverter - everything you need to know before you start building your own solar panel power system or a wind turbine system


Things You Need Before You Start Building Your Own Basic Solar Panel Power System

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Friday, October 28, 2011

Home Solar Power System Batteries

!±8± Home Solar Power System Batteries

There are a number of different types of batteries, but which one is best for solar power? By the end of this article, you will know the answer. The sun doesn't shine all the time (take for example, night) so if you are going to install a solar power system and are going to want to use electricity when there is no sunlight, you're going to need some method of storing the power produced when there is sunlight. Batteries and a solar charge controller are the way to accomplish this. So, let's talk about the different types of batteries and which type is best for solar.

The first question you might have is about the newer battery technologies used in hybrid cars or laptops or iPods. There are reasons these batteries are a good fit for those devices, but as you'll see they don't apply to solar power systems.

The biggest advantage these newer battery technologies have is size and weight. These newer battery technologies, though, cost a great deal more than the older technologies for the same capacity. These newer types of batteries make devices like cell phones more expensive, but they allow the devices to me much smaller and lighter and in these applications size and weight are more important than cost.

Your solar power system, though, isn't going to move around. Capacity, in contrast, is going to be very important. So, much more important than size or weight will be cost per watt/hour of capacity.

When it comes to best cost for capacity, the best type of battery technology is plain old sealed lead acid batteries. That's right, the same kind of battery that is in your car. The newer types of batteries are going to cost you between 2 and 4 times what sealed lead acid batteries will for the same capacity. Sealed lead acid batteries are rugged, cheap and safe.

The most common voltage for sealed lead acid batteries is 12 volts. The most common voltages for home solar power systems are 12, 24 or 48 volts. These voltages can easily be obtained by connecting together the proper number of 12v batteries in series. You then take these groups of batteries tied together in series and wire the groups in parallel to increase the amount of power you can store and then later release from the batteries.

A 12 volt solar charger will use the electricity produced by the solar panels to keep the batteries charged. The charger will ensure the voltage going to the batteries is correct, and will prevent overcharging.

One last thing you will need if you want to power appliances you usually plug into the wall is a power inverter. To mix power from your batteries and from the power company, or to sell excess electricity back to the power company, you will need a grid tie inverter. If not, a standard power inverter will be cheaper and work fine for your standard appliances.

That's pretty much it. When it comes to batteries for a solar system, the old technology is best. Sealed lead acid batteries are the best choice for home solar power systems.


Home Solar Power System Batteries

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Thursday, October 6, 2011

Different Types of Jump Starters

!±8± Different Types of Jump Starters

A flat battery is a very common problem. It might happen due to extreme cold or by accidentally leaving the lights on in the car overnight. It can be quite troublesome to be left stranded on the road, in the dark, or in some remote area. They are very handy devices that is a must for every car owner. Never again will you be left helpless due to battery problems.

The most important thing about them is that they can recharge a battery, after which you can then start your car. The rest of the job is done by the car's generator. Once the ignition is on, the car will then fully charge the battery. Some types of jump starters work only if the battery is not totally flat. If it has even a little bit of spark left, it can be recharged. However, if it is totally discharged, then it can't start it.

You must keep the jumper cables in your car because the unit is connected to the car battery with the help of these cables. These comprise of two cables with crocodile clips on each end of the cables. Join the positive ends of the car battery and the unit and then join the negative ends of the two. The car battery is now ready to be recharged. Remember that you have to be careful about joining the right ends of the cables, otherwise it might cause a spark. You can also take the help of another car to help starting your car. Just join the cables in a similar manner.

The portable battery starter unit is a very convenient device. It can start a battery if it has even a little bit of power left in it. These are small packs that have enough power to jump start a flat battery, but they get discharged if left for too long. They can be charged form any normal socket in your house, so keep charging them regularly or you may find yourself with a dead jump starter when you need one.

Some types jump starters come with air compressors to help tires, basketballs etc. Some also have a LED that can help you see in the dark if you want to recharge your battery. You can also use them in the house during a power cut. With a 12 volt battery, these jump starters can jump most cars and are a very useful tool.


Different Types of Jump Starters

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Wednesday, September 14, 2011

Inverters - News for AC-DC?

!±8± Inverters - News for AC-DC?

The role of the inverter is often overlooked in a photovoltaic system. Stored in the attic or a closet, is not the most visible part of a system, but plays a vital role and makes much of the cost of the material. The inverter converts the DC power hub for solar cells to alternating current for the United Kingdom.

In a typical residential photovoltaic solar systems are connected in a "string", ie,are in series so that it adds to the voltage of each module. The positive and negative ends of the cable for the inverter are not connected, then two things:

First, the inverter applies the optimum voltage for all solar panels in the string. For maximum energy from a solar panel you need to extract specific contact voltage to it. The easiest way to understand this is to remind the supply voltage corresponds to the present time. DCflow from the solar panel when there is tension, but it will not be able to provide energy. If the voltage is applied to the solar cell too, only to lose the power from the solar cell, the tension is a good middle ground. And 'the inverter is charged with solar panels to maintain optimal tension. This is quite complicated, since the optimum voltage changes with temperature of the solar panels. To overcome this there is a special algorithm built-in convertercalled "Maximum Power Point Tracking", which makes continuous adjustments to ensure the tension, have the most power out of the system.

The second main function of the inverter is to convert the direct current of solar cells generate direct current into alternating current electricity grid. In Britain, the frequency of 50 Hz, so that the inverter is to ensure that the electricity supplied is tuned to that frequency, so that it can be used by other devicesBe sold to the electricity company or at home.

The inverters are very common, for example, the portable charger to an inverter using the 50Hz mains current in direct current converter for the computer (which explains in part because laptop battery chargers are so expensive, even though I still think it's a rip-off) and there are some very good solar inverters already out there. The largest known manufacturer of solar inverters, SMA will enjoy a 30% market share worldwide (their line of residential solarInverter will have a "SunnyBoy '). Other important producers Kaco, Xantrex, Danfoss and Mastervolt, just to name a few. These drives work well, so what are the developments on the horizon, making the drive interesting?

One problem is efficiency. Most of the commercial converters are about 97% efficiency, which is pretty good, but it means that produces 3% of all energy that is converted from DC to AC loss. Increase the efficiency gains of 99% would return on investmentSolar system and a real competitive advantage. Several manufacturers claim to offer close to new high efficiency products.

The next problem is reliability. Most inverters are warranted for 10 years, while not bad, is only half of the guaranteed lifetime of solar modules. This means you have to allow consumers to exchange the drive at least once in the financing of a solar project. If the inverter could be guaranteed for 20 years, would mean consumers couldcomfortable knowing that the system to operate as security for a lifetime, until everything has to be replaced. Inverter manufacturers have tried to be to improve the reliability of their systems and products are guaranteed for 20 years will soon be on the market. As a side effect for 20 years demonstrate the reliability is very difficult to do without actually waiting for 20 years, and there's a whole field of study devoted to "accelerated stress tests" of these products.

Another set of newFunctions, how information is displayed. Many inverters with a WebBox option that meets the performance of your solar system allows online viewing. Some inverters now with iPhone applications to come, so you can see your solar power on-the-go, important to show to your friends to the pub. These types of innovations will keep coming back, so keep an eye if this is something that interests you.

Perhaps the most radical development for the inverter is the "micro-inverters". BasicallyThis means that an inverter large, but many smaller on each solar panel. This has several advantages. First, can significantly improve system performance. Returning to the maximum power point tracking function described above, has a normal inverter in trouble if not all solar modules are the same thing. Solar panels may be set different temperatures for performance or just different from disk errors. Using micro-inverters, you canensure that each module is run at its optimum voltage. Another problem has to do with nuance. If a solar panel in a string is in shadow or bad, seems like a very strong and reduces overall system performance. With micro-inverter isolates the power of solar cells, so that the power loss of shading is minimized. Enphase Energy, a leading manufacturer of micro-inverters in California, said that these functions can lead to aImproving energy efficiency by up to 25% more.

Other advantages of micro-inverters include reducing the elimination of dangerous high-voltage DC wiring on the roof, fire and shock hazard. (Another side show, not a micro-inverter products are really micro-inverters, but playing the maximum power point tracking with every solar panel and then the '. AC DC conversion in a central point)

Currently there is no single micro-inverter manufactured in Great Britain. This isbecause it is still a new technology and the United Kingdom is so small a market that is not of interest to producers rush to get their products on the market. That said, does the success of companies like Enphase in California and follow in their footsteps, the deluge of company that does not take much to become a real possibility, even in Great Britain.


Inverters - News for AC-DC?

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Sunday, August 7, 2011

JD Powers Ratings - How good?

!±8± JD Powers Ratings - How good?

I've always heard within JD Powers'. They test and evaluate products and services on a variety of factors. If a product is the prize he won so many clients know their advertising.

But how accurate is this information? Well, in some ways is very good. In other cases, there is something missing.

They compile their data from surveys of customers only. As long as they have a sufficiently large sample, this is good information, but in some casesincomplete. For example, customers can be satisfied very satisfied with a particular machine, but does not include JD Powers rating crash tests. I certainly useful to know that about a car before I bought it. What is covered? They have ratings on everything from the cost of claims, which interviewed some clients who had claims. I would also like a policy expert who can compare to seeing the coverage will be reviewed. I'm sure the procedures for the controlled delivery of research and data collection from aThird, these financial statements. As long as you know knows how to get their information, that's fine. Probably you have to do some research before buying.

Here there is a problem that worries me, though. Companies must pay JD Powers, to verify their products. If they win a prize, they must pay again to use their names in their advertising. This does not mean that the ratings are suspect. They have a reputation to protect, and I'm pretty sure that's PollThe methods are very well documented and well. The money issue is currently a problem, though.

Not all products or services in each category will be reviewed. I saw a category with less than ten companies review. This is only a small percentage of companies that produce this particular product. And as for companies that participate, but routine end at the bottom of the assessments? Why should they pay to participate again?

Of course, every company would have to earn moneyinvolved in some way to pay for all the work in carrying out investigations. Do not sell a magazine like Consumer Reports.

Maybe they should have membership as the Better Business Bureau. The company should pay a fee to be tested for certain minimum requirements. If you do not meet these requirements, they can become members. You could use this term in their advertising, so that customers know that JD Powers has verified that they have fulfilled these requirements. Then you could takemoney from memberships and use it for customers of all products and services in a category, not just those who are members of the study. This would be an advantage for the company, the highest rate, because customers can see how they stack against all their competitors.


JD Powers Ratings - How good?

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Wednesday, August 3, 2011

Add-on accessories to enhance your car - Where to Find Them Online

!±8± Add-on accessories to enhance your car - Where to Find Them Online

Add-on accessories for your car, your ride more enjoyable. A power cord from the phone into the cigarette lighter is the phone works without draining the battery. A ICELESS cools comfortably hold a cold drink. A heated mug to keep coffee hot until the car is running. Additional accessories to add fun to your journey. See below for information and comments on five types of accessories. To find the article online, please use the link to ideas for leisureEnd of this article.

12-volt heated mug - a mug with a plug for more power from the cigarette lighter. It contains a liquid such as coffee hot until the vehicle is in operation. Some models have a thermostat to regulate the temperature.

Example models:
Wagan Tech Heated Travel Mug, retractable cable plugs into the cigarette lighter, 16 oz capacity, double wall vacuum insulation, hot drinks until an hour after you pull to keep fit, cup, cup holders, availableabout $ 30. New VR3 heated insulated stainless steel Travel Mug Cup fits into the cigarette lighter, 14-ounce capacity, proper basis for cup size, about $ 10 plus shipping. Car Mug Bell & Howell Hot N 'Go Heated heat to 145 degrees F for 30 minutes, 16 ounce capacity, of about $ 18 JLR Gear Smart Mug, set the required temperature ready light, 16-ounce plug into the cigarette lighter, available online for about $ 20 plus shipping.
Cooler / Heater - This typethe choice of hot or cold food storage. Can hot and cold food. Some are sized to hold a can of soda or a cup of coffee, larger units may contain a six-pack or more.

Example models:

Coleman 12-9 volts-can Console cooler / heat, cools and heats to 40 ° F to 120 ° F, 9-can capacity. Available online for about $ 60 Vector ® Thermoelectric Portable food cooler / warmer chests, cold to 40 degrees below ambient temperature, heated to about 130 ° C, 9-foot cable connectorin the cigarette lighter. Two available 6 - and 12-can capacity, $ 75 and $ 85. Koolatron 18-liter food cooler / heater, cooled to 40 ° C below ambient temperature or heated to 125 ° F, removable 10-ft. Power cord, 3-amp draw, holds 23 12 oz cans. Available for about $ 110. ROADPRO 12-Volt Mini Cooler / heat, contains nine 12 oz cans, about $ 50. 7-liter 12-volt cooler / heater 12-volt 7-liter cooling / heating, contains nine 12 oz cans, about $ 60. Pyle - Travel Automotive Cooling / Heater -PLCOOL6, contains two bottles of 12 oz, 9-foot detachable cable, 12 volt/220-volt volt/120, about $ 40 online. Rubbermaid ® cooler / heater 289 377 capacity 1.1 liters, contains six 12 oz cans, plugs into the cigarette lighter, heating mode, heat to 120 degrees F., and buckle straps to secure the back. 7 '12v long cable. Available online for $ 80 plus shipping.
Mobile Phone Charger - plugs into the cigarette lighter socket to power or recharge your mobile phoneTel

Example models:

Virgin Mobile Car Charger Silver Dolphin for Kyocera phones, plugs into car power outlet and telephone charges from 2.5 to 3.5 hours http://www.radioshack.com can find stores in your area where this charger can get, about $ 15. Phoenix Wireless Vehicle Power Adapter for Samsung M300/M510 has coiled cord that plugs into the cigarette lighter, about $ 25. Nokia 3900 mobile phone car charger quickly, the site lists the stores in your area that this warehouseCharger, about $ 15. Phoenix Vehicle Power Adapter for Samsung, which is coiled cord into the cigarette lighter connector, 3.5 mm for many Samsung phones, plugs for about $ 25. Car Charger for Nokia N91, N90, N80, 770, 7370, 6282, 6265th, 6165th, 6155th, 6126, 6103, 6102nd, 6102, 6101, 3155th. Available for about $ 5.
Inverters - plugs into the cigarette lighter socket, clips to battery or wire is changed to the vehicle 12-volt DC to 120 volts AC to powerThings like laptops, coffee machines, mobile phones, camcorders, chargers and other small devices. Do not exceed 400 watts, if you want to go directly to the battery with heavy wire. Even then, high-performance devices is the battery drains quickly and could fry the alternator when the engine is running.

Example models:

Xantrex X Power Mobile Plug 75, only 75 watts, very light version, for about $ 30 online. Whistler 400-Watt Power Inverter with Circuit Prois TV / DVD combos, laptops, fans, running $ 30 plus shipping. Xantrex Technologies XPower Plus 400-Watt Inverter # 851-0400, 400 watts for 5 minutes, 600-watt surge protection for simple start-up, and 300 watts of continuous power, plug into the cigarette lighter in your car, protecting the mechanism Automatic shutdown protection against overload, overheating the battery status and low, dual 3-land and an AC current. Available online for about $ 30.
mp3 player - Down load music or other audioContent is on your player or a separate flash. Hours of audio can be stored in a single storage medium. Some content may be downloaded for free. Listen to the program every time you choose.

Example models:

VR3 MP3/WMA FM Modulator w / USB port and audio, VRFM8BLN, connect a USB stick into the USB port and use Play, Pause, Volume, Shuffle, and Track Selection controls to play MP3 and WMA files, has a mini-jack use an MP3 player or other audio source, has cigaretteCigarette lighter, with about $ 35. TransCast DLO FM Transmitter for MP3 players that use 0092007, in order to play audio from an MP3 player through a car stereo. Gets power from the cigarette lighter or batteries, 3-foot cable for connecting an audio source, compatible with MP3 players, PSP and iPod. Radioshack.com available for about $ 40 plus shipping. Radio Shack will be freely available in the store near you. USB Car MP3/WMA FM Modulator player w / audio input, to accept a standard USB drivePlayback of MP3 files with a radio that plugs into the lighter socket, input for audio from CD, DVD or MP3. Available online for about $ 25 Belkin TuneCast II Mobile FM Transmitter, with the exception of audio from an MP3 player headphone jack and guide him to a car stereo to play through the car's existing speakers, cigarette lighter power supply or batteries, for about $ 24.

Other accessories that you can improve your car belongSeat covers, floor mats, steering wheel covers, umbrellas, headrest covers, cup holders and bags of garbage can, a thermometer, indoor / outdoor GPS / MAP device, extra loud or novelty horns.

The article that follows, you can park your car in for repair, emergency, maintain security and others - Jack, key problems of light, flares, battery cables, maps, mobile phones and phone numbers, coolant for the radiator, drinking water, long storage food, empty container for gasoline, tools, gloves, jacket, hat, blanket,rain ponchos and a first aid kit.


Add-on accessories to enhance your car - Where to Find Them Online

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Thursday, July 28, 2011

Add-on accessories to enhance your car - Where to Find Them Online

!±8± Add-on accessories to enhance your car - Where to Find Them Online

Add-on accessories for your car, your ride more enjoyable. A power cord from the phone into the cigarette lighter is the phone works without draining the battery. A ICELESS cools comfortably hold a cold drink. A heated mug to keep coffee hot until the car is running. Additional accessories to add fun to your journey. See below for information and comments on five types of accessories. To find the article online, please use the link to ideas for leisureEnd of this article.

12-volt heated mug - a mug with a plug for more power from the cigarette lighter. It contains a liquid such as coffee hot until the vehicle is in operation. Some models have a thermostat to regulate the temperature.

Example models:
Wagan Tech Heated Travel Mug, retractable cable plugs into the cigarette lighter, 16 oz capacity, double wall vacuum insulation, hot drinks until an hour after you pull to keep fit, cup, cup holders, availableabout $ 30. New VR3 heated insulated stainless steel Travel Mug Cup fits into the cigarette lighter, 14-ounce capacity, proper basis for cup size, about $ 10 plus shipping. Car Mug Bell & Howell Hot N 'Go Heated heat to 145 degrees F for 30 minutes, 16 ounce capacity, of about $ 18 JLR Gear Smart Mug, set the required temperature ready light, 16-ounce plug into the cigarette lighter, available online for about $ 20 plus shipping.
Cooler / Heater - This typethe choice of hot or cold food storage. Can hot and cold food. Some are sized to hold a can of soda or a cup of coffee, larger units may contain a six-pack or more.

Example models:

Coleman 12-9 volts-can Console cooler / heat, cools and heats to 40 ° F to 120 ° F, 9-can capacity. Available online for about $ 60 Vector ® Thermoelectric Portable food cooler / warmer chests, cold to 40 degrees below ambient temperature, heated to about 130 ° C, 9-foot cable connectorin the cigarette lighter. Two available 6 - and 12-can capacity, $ 75 and $ 85. Koolatron 18-liter food cooler / heater, cooled to 40 ° C below ambient temperature or heated to 125 ° F, removable 10-ft. Power cord, 3-amp draw, holds 23 12 oz cans. Available for about $ 110. ROADPRO 12-Volt Mini Cooler / heat, contains nine 12 oz cans, about $ 50. 7-liter 12-volt cooler / heater 12-volt 7-liter cooling / heating, contains nine 12 oz cans, about $ 60. Pyle - Travel Automotive Cooling / Heater -PLCOOL6, contains two bottles of 12 oz, 9-foot detachable cable, 12 volt/220-volt volt/120, about $ 40 online. Rubbermaid ® cooler / heater 289 377 capacity 1.1 liters, contains six 12 oz cans, plugs into the cigarette lighter, heating mode, heat to 120 degrees F., and buckle straps to secure the back. 7 '12v long cable. Available online for $ 80 plus shipping.
Mobile Phone Charger - plugs into the cigarette lighter socket to power or recharge your mobile phoneTel

Example models:

Virgin Mobile Car Charger Silver Dolphin for Kyocera phones, plugs into car power outlet and telephone charges from 2.5 to 3.5 hours http://www.radioshack.com can find stores in your area where this charger can get, about $ 15. Phoenix Wireless Vehicle Power Adapter for Samsung M300/M510 has coiled cord that plugs into the cigarette lighter, about $ 25. Nokia 3900 mobile phone car charger quickly, the site lists the stores in your area that this warehouseCharger, about $ 15. Phoenix Vehicle Power Adapter for Samsung, which is coiled cord into the cigarette lighter connector, 3.5 mm for many Samsung phones, plugs for about $ 25. Car Charger for Nokia N91, N90, N80, 770, 7370, 6282, 6265th, 6165th, 6155th, 6126, 6103, 6102nd, 6102, 6101, 3155th. Available for about $ 5.
Inverters - plugs into the cigarette lighter socket, clips to battery or wire is changed to the vehicle 12-volt DC to 120 volts AC to powerThings like laptops, coffee machines, mobile phones, camcorders, chargers and other small devices. Do not exceed 400 watts, if you want to go directly to the battery with heavy wire. Even then, high-performance devices is the battery drains quickly and could fry the alternator when the engine is running.

Example models:

Xantrex X Power Mobile Plug 75, only 75 watts, very light version, for about $ 30 online. Whistler 400-Watt Power Inverter with Circuit Prois TV / DVD combos, laptops, fans, running $ 30 plus shipping. Xantrex Technologies XPower Plus 400-Watt Inverter # 851-0400, 400 watts for 5 minutes, 600-watt surge protection for simple start-up, and 300 watts of continuous power, plug into the cigarette lighter in your car, protecting the mechanism Automatic shutdown protection against overload, overheating the battery status and low, dual 3-land and an AC current. Available online for about $ 30.
mp3 player - Down load music or other audioContent is on your player or a separate flash. Hours of audio can be stored in a single storage medium. Some content may be downloaded for free. Listen to the program every time you choose.

Example models:

VR3 MP3/WMA FM Modulator w / USB port and audio, VRFM8BLN, connect a USB stick into the USB port and use Play, Pause, Volume, Shuffle, and Track Selection controls to play MP3 and WMA files, has a mini-jack use an MP3 player or other audio source, has cigaretteCigarette lighter, with about $ 35. TransCast DLO FM Transmitter for MP3 players that use 0092007, in order to play audio from an MP3 player through a car stereo. Gets power from the cigarette lighter or batteries, 3-foot cable for connecting an audio source, compatible with MP3 players, PSP and iPod. Radioshack.com available for about $ 40 plus shipping. Radio Shack will be freely available in the store near you. USB Car MP3/WMA FM Modulator player w / audio input, to accept a standard USB drivePlayback of MP3 files with a radio that plugs into the lighter socket, input for audio from CD, DVD or MP3. Available online for about $ 25 Belkin TuneCast II Mobile FM Transmitter, with the exception of audio from an MP3 player headphone jack and guide him to a car stereo to play through the car's existing speakers, cigarette lighter power supply or batteries, for about $ 24.

Other accessories that you can improve your car belongSeat covers, floor mats, steering wheel covers, umbrellas, headrest covers, cup holders and bags of garbage can, a thermometer, indoor / outdoor GPS / MAP device, extra loud or novelty horns.

The article that follows, you can park your car in for repair, emergency, maintain security and others - Jack, key problems of light, flares, battery cables, maps, mobile phones and phone numbers, coolant for the radiator, drinking water, long storage food, empty container for gasoline, tools, gloves, jacket, hat, blanket,rain ponchos and a first aid kit.


Add-on accessories to enhance your car - Where to Find Them Online

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Tuesday, July 26, 2011

How to choose the ideal inverter for photovoltaic system

!±8± How to choose the ideal inverter for photovoltaic system

Current flows into two types: AC (alternating current) and DC (direct current). Current flows steadily forward, while the alternating current, the electrons change directions, forward and backward place. The strength you have in your home every time a device is alternating current. Although it would seem that a DC would be more efficient electricity through the power of travel without losing energy, and is also capable of transferring different amounts of energy. Another advantage of the ACThe power is that it can be easily pushed up or down in the power of a transformer, which is on electric poles and makes the flow in the lower voltage to be changed for appliances such as refrigerators, lamps, toasters and microwaves .

An inverter is a necessary part of your PV system, because it takes the electricity still produced by your solar panels and stored in your battery bank and converts it into electricity needed to run the household. A good quality inverterOff-grid system costs about 25% of the cost of the entire system, while an on-grid inverter is about 10% of total costs.

12-volts, 24 volts or 48 volts

Although a 48-volt inverter will probably require a major investment, which has advantages such as increased tension, less tension loss, the ability to use a smaller wire diameter and longer distances from the wire without the level of the fall voltage to run as a 12 or 24 - volt. If you are simply adding enoughRun the solar energy at home just a few items, you can get a 12 or 24 volts, if you are serious are my changes, your whole house to solar energy, spend the extra money and buy a 48-volt inverters . Outback, Xantrex, Sunny Boy and Magnum are all high quality 48-volt inverter.

Sine wave vs. modified sine wave

AC has a voltage in continuous evolution, which is positive to negative fluctuations, one hertz (Hz) is the number of times the ACchanges in a second. Most US-inverter to convert 120 volts at 60 Hz, while others prefer the power supply of 220 volts at 50 Hz. Most of the devices in the average home can be AC ​​or modified by a quasi-sine wave inverters to run, and the modified sine wave inverter is better anyway. However, the current trend for PV inverters pure sine wave, while the majority of electrical equipment can be run on modified sine waves, do not like. Modified sine waves because fans motorsrefrigerators and compressors to run the electronic warmer and stronger, and high-end as televisions, computers and printers are not able to filter the waveform dirt. What this means for you is that if you could choose to have a modified sine wave inverter lines screen TV in it, the stereo could not sing and disturbing the washing machine able to successfully complete the cycle. Pure sine wave inverters are a better choice if you're in a situation in which we live much useSome electronic devices on a daily basis.

Continuous power output or peak

Finally, check the inverter carefully chosen specific performance is to examine whether continuous or surge. The answer to this question is very important because the electric motors in your home devices such as fans, blowers, mixers and refrigerator and all the devices and go out six times a day, normal operating performance must begin. The inverter mustable to handle the additional load, or start a good portion of the devices may not be able to.

Your final consideration is whether the creation of a grid-tie solar PV system, or go completely off-grid. Select a different type of inverter, depending on the application. You can expect $ 1,800 to $ 4,000 to spend on a good quality inverter that works with the photovoltaic system, and the last for many years.


How to choose the ideal inverter for photovoltaic system

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Friday, July 22, 2011

Roadpro RPPI-2500W 2000/5000 Watt DC to AC Power Inverter

!±8± Roadpro RPPI-2500W 2000/5000 Watt DC to AC Power Inverter


Rate : | Price : $105.77 | Post Date : Jul 22, 2011 14:37:47
Usually ships in 24 hours

The Roadpro watt inverter is a high-power, affordable, and reliable method to transform direct current battery power into 115-volt household alternating current power. Direct to battery hook-up. The inverter is ideal for long-haul truckers who need to power home appliances, consumer electronics, or office equipment on board or outside their vehicle. It is also suitable to operate power tools from vans or pick-up trucks, and perfect for recreational users such as camping, boating, tailgating or use in your automobile. It features 2000 watts continuous power, 2500 watts alternating current power output, and 5000 watts peak power output, with enough power to operate multiple devices at one time. Having 3 grounded 3-prong alternating current receptacles with dual internal cooling fan make it perfect for all your direct current to alternating current power needs. It has a direct current input voltage range of 12.8 - 13.2 volts, alternating current output of 105 - 125 volts, alternating current output frequency of 58 Hertz - 62 Hertz, maximum efficiency of 87 percent, battery drain at no load of 0.80 ampere, over voltage shutdown at 15.5 ± 0.5 volts, low battery alarm at 10.5 ± 0.3 volts, low battery shut down at 10 ± 0.3 volts direct current. It has an operating temperature range of 14 degree Fahrenheit (-10 degree Celsius) - 104 degree Fahrenheit (40 degree Celsius). Included is the power cable with heavy duty battery terminal clips to connect directly to your battery and comes with a 1 year warranty.

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