Maybe at first glance one may ask: how can you have battery operated candles and still call them candles? Well, technology works wonders, and one can say a clear yes to this new innovation. They are also known as flameless candles and proved to be a great success given the fact people sometimes need candles that don’t get blown off by wind or increase the children’ s risk to get burned. Battery operated candles have all the advantages of regular candles, but they are wax-dripping and smoke free, plus they last a lot longer than the normal ones.

Why choose a battery operated candle?

Nobody says that you have to stop using regular candles, but there are special situations when battery operated candles are the better choice. For instance if you’re out for a romantic ride by boat, these candles are more than practical, they are great atmosphere creators, without the impediment of being blown off by a gust of wind. Or, if you have the habit of getting to sleep basking in the warm light of a candle, and yet sometimes you’re afraid to leave it burning over night, now you’re safe. Once you turn to using flameless candles, you won’t have to worry any more.

If plastic is the first thing that comes to your mind when you hear about battery operated candles, you’ll definitely change opinion once you come to see and touch one. Most types are made of clear, one hundred percent natural wax in combination with various flavors. Some very popular ones are the cinnamon and the vanilla scented ones. The light comes from a led that turns on and off triggered by a motion-sensor, and the light it gives even flickers like a real flame. Enjoy it!

Rechargeable battery operated candles

Most battery operated candles have a life duration of 100 hours at the maximum, which is in fact great given the fact that no real-flame candle can burn that long. The even better news is that some battery operated candles are rechargeable. The truth is that they are a little bit more expensive, but they’re worth the effort. There are plenty of details on the various types of candles available on the Internet and in gift and decoration shops. Have a look at the various shapes and dimensions, plus you have the option of even buying scented ones.

Ann Marier
http://www.articlesbase.com/relationships-articles/battery-operated-candles-can-make-situations-romantic-133961.html

As our knowledge grows so great that an Eyclopedia now must have 30 plus volumes, as our understanding of the planet around the us expands, all the while the need for electrical sources also expense, most universally in the form of the battery. Most applications from batteries are for smaller less important items such as a Walkman, CD player, and such. It seems in today’s economy, that the battery is an all important item. Everywhere you look you will find an item that requires a battery to run it. If the device does not require battery, and it usually runs off of the local power grid.

There are certain instances when the power must remain on at all times. This is best known in the world of computers. This can be illustrated with hospitals and their need for power also. In the course of an operation for instance, surgeons cannot afford to have the lights go out and have a blackout. These are much more in work and applications of the batteries handy power grids. With the power grid, you never know when it will fail, but rest assured, it will fail.

While many of these things are supplied electricity from the city power grid should the power suddenly died, UPS replacement batteries will sidestep the problem by supplying the needed energy. This type of battery which stands for uninterruptible power supply is a system that ensures not only that hospitals always have backup power, but so much with such essential features as the computers that aid in national defense and communications devices in times of natural disaster.

When UPS batteries are no longer functional they can just be replaced. The reason for recycling these batteries is twofold: safety and sound economics. First the removal of a UPS system can be dangerous in involves a proper venting of dangerous gases that can lead to cancer eye irritation even explosion. For this reason is up to the trained professionals to enact the removal.

There are many dangers involved and replacing UPS batteries. They must be properly disposed of, to be environmentally safe. The removal of UPS batteries for replacement involves the proper venting of dangerous gases that can lead to cancer eye irritation even explosion. For this reason is that trained professionals to enact the removal.

Lastly, such recycling results in a return a profit as the lead and other materials can be reused in battery making and other, non-battery applications, thus helping the environment again by recycling, and also filling one’s pocketbook a bit.

Keith Londrie
http://www.articlesbase.com/causes-and-organizations-articles/some-strong-benefits-of-ups-replacement-batteries-88087.html

I put the tester on it and it says 2/3 but I also heard your suppose to run a battery dead before charging so what should I do and is there anything wrong with charging a battery on carpet and can anything dangerous happening cause ive been reading stuff that it can explose and cause blindness and stuff.. any info will be helpful

Deep cycle batteries should never be run down completely. This will ruin them very quickly. They work best if never discharged below 1/4. Recharging when it is 2/3 charged is perfectly fine. This is actually good for the battery

A battery will explode if not connected properly to the charger. Read the directions on the charger or get someone to show you how. They contain sulfuric acid and will cause you serious harm if they explode.

You should have a battery box to prevent any acid from leaking out onto carpets, etc. By US Coast Guard law you need to have the battery in a secure battery box to use it on a boat.

Would it be possible to substitute a thin watch battery for a AA battery in a disposable camera because we found that the camera does not need the whole AA battery. Also, would it be possible to charge the flash by winding the same part used to advance the film? This is for a school project and if you have any other ideas on how to improve a disposable camera, it would really help. Thanks.

If it works with a single AA battery, 1.5 volts, then it may work with any battery that puts out about 1.5 volts. But it won't last very long, and the flash recharge, which uses a lot of current, may not work with a weaker battery.

Some watch batteries put out 3 volts, be careful.

.

Rechargeable camcorder battery can cost $40 or more, so knowing how to prolong the life of your battery and the perils of not caring for your battery properly saves you money as well as heartache from missed shots. First, you need the right battery for your camcorder. This is no big deal when you purchase your camcorder because a battery and charger are normally included in the purchase. The more you use your camcorder, though, the more you’ll notice that your battery doesn’t seem to stay charged as long as you would like or that it takes too long to recharge.

Now you have entered into the never-never land of camcorder rechargeable battery dilemmas. You ask yourself (because you don’t know who else to ask) the following questions:

Is it okay to partially charge a battery before taking it off the charger and putting it back in the camcorder?

Yes - providing you own a newer camcorder, such as a digital camcorder. Newer camcorder manufacturers typically provide lithium ion batteries. These batteries can be partially recharged before reuse. Other batteries - especially nickel-cadmium (NiCad) batteries - can be damaged by only partially charging them.

Is it okay to recharge a battery when some charge remains?

If it’s a lithium ion battery, yes. If it’s a NiCad battery, no.

How do you know when to purchase a new camcorder battery ?

Battery manufacturers generally consider a rechargeable battery to have reached its useful life when it can provide only about half of its original consumption. For instance, if your battery could originally provide an hour’s worth of power, you should replace it when it can provide only a half-hour’s worth.

You can save yourself a lot of trouble by purchasing an extra battery or two when you buy your camcorder. That way, you always have a backup in case the primary battery runs out of power. When purchasing batteries for your camcorder, consider the following:

Camcorder batteries have different specifications on how long they last. How much recording time relates to how much battery power?

Most professional camcorder operators tell you that the camcorder battery should be rated to operate for a period of time that’s twice that of the tape. Don’t assume that the battery that’s provided with your camcorder is the best battery for your circumstances. A manufacturer usually provides you with a battery that’s good for about an hour of camera usage. Because digital camcorder and Digital8 tape is usually 60 minutes long, you may think you have the correct battery, but chances are you don’t. Most people run their camcorders in the nonrecord mode as much as they do in the record mode because you can’t look through the viewfinder of a camcorder unless it’s turned on. So, if you’re using a 1-hour tape, you would be wise to use a 2-hour battery. Besides, a 2-hour battery is good for 2 hours only when it’s new. Within a year or so, your 2-hour battery will have become a 1-hour battery due to normal aging factors. This inevitable aging is accelerated if you don’t take proper care of your battery.

When buying a new battery, what type should I consider?

Always buy batteries that are made for your charger. And, obviously, always buy batteries that are rated for your camcorder. For example, the Canon GL1 is rated as 7.2 volts DC.

Caring for your camcorder battery doesn’t mean that you must have an emotional attachment. But you do need to discipline yourself to certain practices, or you’ll waste money and lose valuable shooting opportunities because you’ll be tending to sick batteries. Follow these basic guidelines, and your batteries should serve you well:

1. Never expose your batteries to elevated temperatures. The numero uno enemy of batteries is heat. Anton/Bauer claims that heat can accelerate your battery’s aging process by as much as 80 percent! Heat can also cause a lithium ion battery to lose its ability to hold a charge.

2. For long-term storage between uses (as in weeks), keep your batteries in the refrigerator. But before you nestle the batteries between the lettuce and rutabagas, put them (the batteries, that is) in a plastic bag to avoid the rare possibility of the battery seeping and causing food contamination.

3. Don’t put a cold battery on a battery charger! If you take a battery out of cold storage or out of a cold environment (such as your car in winter), always allow your battery to reach room temperature before charging. Batteries have been known to explode if placed on a charger while cold. Charging creates heat.

4. Don’t allow your batteries to jostle around while you’re carrying them. Jostling directly affects your battery’s life and performance. Also, never use a battery that has been physically damaged. The coating on the battery is supposed to keep the battery acid from seeping out. If the battery is damaged, these chemicals (which can be unstable and dangerous) can leak and cause damage to anything they touch.

Tancecom
http://www.articlesbase.com/electronics-articles/managing-your-camcorder-battery-85097.html

The Nissan Motor Co., Ltd. and NEC, a leading electronics maker, announced last Friday that they will produce ecologically friendly batteries for automobiles. The move is anchored on the automaker’s desire to catch up with rivals in the industry that have already started in green technology.

Japan’s third largest automaker and NEC are investing 490 million yen ($4.1 million; 3 million euros) to set up a joint venture by the end of this month so as to produce lithium-ion batteries for green vehicles, including electric cars and hybrids by 2009. The information was divulged by the companies Friday.

Evidently, Nissan has fallen behind Japanese rivals the Toyota Motor Corp. and the Honda Motor Co. in developing hybrids and other ecologically friendly technologies that slash gas emissions blamed for global warming. Tokyo-based Nissan has started selling hybrid cars like the Altima. Nonetheless, the automaker licenses the technology from Toyota. Hybrids switch between an electric motor and a gas engine to deliver reduced CO2 emissions and better mileage.

But the Tokyo-based automaker has developed what it said was a superior auto battery technology with NEC, said Carlos Tavares who is Nissan’s executive vice president. The automaker intends to unveil its original hybrid vehicle by 2010 as well as the original next-generation electric vehicle in the early part of the next decade. “Together Nissan and NEC’s engineers have addressed the key challenges of cost, performance, safety and reliability. We believe that we have a breakthrough technology: the lithium-ion battery produce we will produce,” Tavares said.

Lithium-ion batteries, also called and commonly known as Li-ion batteries, are common in portable electronics such as laptops and cell phones. But they have yet to be fully adapted to the more rigorous demands of a car engine. At present, these batteries are built to match auto parts like the EBC redstuff and other trusted car systems.

Hybrids from Toyota Motor Corp. and Honda Motor Co., Ltd. use nickel-metal hydride batteries. But Detroit automakers like General Motors Corp. are working on lithium-ion batteries for vehicles. According to Nissan, the battery product from NEC and Nissan will be made available to all automakers. “Co-development with Nissan has enabled a superior-class battery that we expect to spread in the market at an unmatched speed,” NEC Executive Vice President Konosuke Kashima said.

Nissan will have a 50 percent stake in Automotive Energy Supply Corp. which is the companies’ new joint venture, while NEC and subsidiary and battery maker NEC Tokin Corp. own a combined fifty percent.

Sales of hybrids and cars that offer other environmentally friendly technology are still a fraction of standard models. Both Toyota and Honda have seen their brand image get better from introducing advances such as the Toyota Prius and the Honda Civic hybrids. Sales of Toyota and Honda small cars have increased in the America and other overseas markets lately. The demand is anchored on the soaring oil prices.

Nissan was near bankruptcy before entertaining an alliance with Renault SA of France in 1999. Carlos Ghosn, the chief executive at Renault and Nissan, who led the revival, in the past has played down the vitality of hybrids, which are expensive to develop and take time to catch on. Ghosn has emphasized innovations in gas engines, while saying Nissan was working on its own hybrid technology.

Lauren Woods
http://www.articlesbase.com/automotive-articles/nissan-nec-to-produce-electriccar-batteries-133110.html

Would it be possible to substitute a thin watch battery for a AA battery in a disposable camera because we found that the camera does not need the whole AA battery. Also, would it be possible to charge the flash by winding the same part used to advance the film? This is for a school project and if you have any other ideas on how to improve a disposable camera, it would really help. Thanks.
We are supposed to make the camera cheaper and more sustainable so if we could eliminate parts that could be substituted for smaller parts, it could make the camera smaller, thus cheaper.

A watch battery would be quickly exhausted by being used in a camera, particularly if you used the flash. The AA battery is a quicker and cheaper solution. In most cameras the flash has a switch of its own, and is not activated by the winder.

Condition the battery When you purchase your Dell Inspiron Laptop Batteries, charge the Dell battery to 100 percent, discharge it completely, and then fully charge it to 100 percent again to help the battery computer dell laptop remember exactly how much electrical charge it can hold. From then on, you’ll never need to completely discharge the battery again, but always make sure when charging it that you let it reach 100 percent. DeHoop told us to “remember to plug in the AC adapter (or dock/port replicator) whenever you get a chance. Most notebooks will recharge quickly.” Salinas had another tip for your batteries: “Keep them cool. Exposure to high temperatures can be a battery’s worst enemy,” he said.

Decrease hard drive activity To minimize the frequency with which your hard disk has to spin up to access data, Salinas recommended defragmenting your hard drive regularly. This optimizes the placement of data on the drive so that it can be found more quickly. You can find the Disk Degfragmenter in the Start/Programs/Accessories/System Tools menu. Beyond that, he advised optimizing Windows’ paging file, which is an area of the hard drive that serves as virtual memory whenever your RAM is full. To change it, go to the Control Panel and click through System/Advanced/Performance Settings/Advanced/Virtual Memory Change and set both the initial and maximum paging file size to 1.5 times the capacity of the installed memory.

Disable startup items Startup items load into memory every time Windows boots up, which causes other open applications to spill over into virtual memory and adds to the CPU load. You can disable the startup options by opening the associated programs and going to the Options or Preferences menu. You can also remove them from the Start/Programs/Startup folder or by clicking Start/Run, entering C:\MSCONFIG, and clicking OK. Select the Startup tab and clear the checkbox beside any unnecessary background items, like qttask (QuickTime).

Don’t use any external devices. USB and PC-Cards (aka PC-MCIA) use your battery to function, even when you aren’t using them! Have an EVDO card or maybe a USB mouse? Remove them if you can. Even a memory card reader in your PC-MCIA slot uses power just by being in there. The effect varies based on the type of device, but even a few minutes here and there (as you’ll see) add up significantly.

Power down the display “You can often yield up to ten minutes of battery life per level of brightness lowered,” said Salinas. DeHoop added that lowering the brightness “may give you as much as an extra hour of runtime.” In addition, lowering the screen resolution and color depth decreases the workload on the GPU, thus extending the battery runtime. You can change these by going to Start/Settings/Control Panel/Display and clicking the Settings tab. Disabling extra features like ClearType fonts and fade effects will cut down on the CPU’s power consumption. You can find these in the Control Panel under System/Advanced/Performance Settings/Visual Effects.

Single-task, not multi-task. The more you are doing at the same time with your PC, the more memory and CPU usage increases. Both of which directly use up battery. Close any applications you aren’t using, even the small ones. When doing some experimentation, I found it more efficient to run a single application at a time, then close it and open a new one when ready to move on. While your hard drive uses the battery too, if you are doing anything ‘productive’ you are probably hitting the drive on a regular (even if infrequent) basis anyway.

Turn off unused devices Both of our gurus mentioned disabling unused devices. Many new notebooks provide a hard-wired On/Off switch for the Wi-Fi radio for this reason. Beyond that, you should go to the Control Panel, select System/Hardware/Device Manager, and disable the Ethernet adapter, infrared transceiver, and Bluetooth radio (if your notebook has one). It was designed for mobile devices, but having Bluetooth enabled actually consumes quite a bit of power.

Keep it cool. You can take a page out of the extreme gamer’s handbooks, and have your system perform more optimally by keeping it cool. Make sure your air vents (inflow and outflow) aren’t blocked by anything, which often occurs by poorly positioning your notebook on your lap (which is known to have some other side-effects too, by the way). Heavy CPU and memory use all contribute to heat as well, hence my comment on multi-tasking above.

learn more:

camcorder battery

http://www.camcorder-battery-shop.com
http://www.articlesbase.com/hardware-articles/7-tips-maximizing-dell-laptop-battery-life-125069.html

The Nissan Motor Co., Ltd. and the NEC Corporation have signed an agreement to establish a joint venture that is primarily intended to produce lithium-ion battery. The advanced batteries are formulated to cater to wide-scale automotive application by 2009.

The Japanese automaker and NEC have agreed to invest 490 million yen (which is approximately $4.1 million) in the said venture. AESC is expected to start operations by the end of this month. The company will function as an independent company.

The AESC will concentrate on the development and marketing of advanced lithium-ion batteries, engineered to power next generation electric-powered vehicles. Next year, the partnership of the companies will be expanded to cover mass production and sales. The new joint venture is expected to become the leading company to engage in the mass production of advanced lithium-ion batteries to be offered worldwide.

The Japanese automaker will concentrate on the cell stack for real-world application in electric-powered vehicles while NEC will focus in cell technology and battery manufacturing. Advanced lithium-ion batteries, the core product of the joint venture, will be offered around the globe to serve as an extremely viable and engaging energy-generation solution for automotive application. Among the bunch of advantages that the new batteries will deliver are refined and environmentally-friendly technology, superb performance, cost competitiveness, safety, and versatility.

According to the automaker, the established partnership mirrors the key component of its “Nissan Green Program 2010″ mid-term environmental action plan, as announced in December last year. “As a ‘Sincere Eco-Innovator’, Nissan continues to develop forward-looking ‘green technologies’ that contribute to sustainable mobility. Nissan will introduce our own original hybrid vehicle by 2010, followed by our next generation electric vehicle in the early part of the next decade,” said Carlos Tavares, the Executive Vice President of Nissan.

“Together, Nissan and NEC’s engineers have addressed the key challenges of cost, performance, safety and reliability - we believe that we have a breakthrough technology in the lithium-ion battery product we will produce. Through AESC, this battery will be made available to all automakers, and we expect this could further accelerate the development of future generations of eco-friendly vehicles,” explained Tavares.

“NEC brings to the partnership years of knowledge, expertise, and resources in lithium-ion battery technology through NEC TOKIN’s know-how, cultivated through long years of experience in battery business. Further co-development with Nissan has enabled a superior-class battery that we expect to spread in the market at an unmatched speed due to the wealth of benefits it will assuredly bring to our future eco-conscious customers,” said Konosuke Kashima, the Executive Vice President of NEC. “Moreover, the alliance with Nissan guarantees Nissan as a prospective customer of AESC. We will also strive to accelerate growth by expanding marketing to auto manufacturers worldwide.”

The partnership is aiming to promote cleaner powertrains for the hybrids, hydrogen fuel cell vehicles, plug-in hybrids, and electric vehicles. The batteries will be especially engineered to complement auto parts like engines, EBC greenstuff, brakes and more. Both companies are confident that there will be a ready and growing market for lithium-ion batteries in the next decade and beyond.

Anthony Fontanelle
http://www.articlesbase.com/automotive-articles/nissan-nec-soon-to-offer-advanced-batteries-133109.html

A laptop battery provides a source of electrical energy that supplies needed power to your laptop. The laptop battery uses a combination of cells that are electrochemically active, which is to say, they naturally transmit electrons from one end of the laptop battery to the other, when those two ends are connected in a circuit. A laptop computer battery can be engineered to be highly portable, like a watch battery, or it can be built to withstand extremes in operating conditions, like a car battery.

Just like your car, your laptop computer battery lasts longer depending on how you “drive” your laptop. Modern laptop batteries tend to last three to five hours, depending on the power needs of the computer and the programs the user runs. Few things are as frustrating as when your laptop battery suddenly won’t charge fully or stops holding its charge for as long; when this happens, you’ll probably want to buy a replacement battery.

When buying a laptop battery, you will probably only have one or two choices that fit your computer. Choose the battery with the longest life available for your computer. There are several different kinds of laptop batteries; because the technologies of each are very different, a laptop must be designed specifically for the type of battery it uses. Most laptops are only designed to use one type of battery technology.

Types of Laptop Battery

•The nickel cadmium battery, known as NiCad (pronounced “Nigh-Kad”), used to be the most common type of laptop battery. Nickel cadmium batteries couldn’t hold very much power by today’s standards, and could only be charged a limited number of times. NiCad batteries could easily be ruined by being left on the charger after they had reached full charge, or by being recharged before they were completely dead. The latter problem, called the “memory effect,” meant that if you recharged your laptop battery before it had run completely down, it would remember the point at which you put it back on the charger, and only discharge that far the next time you used it.

•The nickel metal hydride (NiMH) laptop battery was the next step up from NiCad. NiMH batteries could hold considerably more power than NiCad, but they still had something of a memory effect, although it wasn’t as pronounced. Lithium ion (Li-Ion) is the latest technology for laptop batteries; although Li-Ion batteries hold about the same amount of power as NiMH, they are considerably lighter and far superior. The Li-Ion laptop battery doesn’t have a memory effect and lasts considerably longer than its predecessors. If your laptop supports multiple types of batteries, and the Li-Ion is one of them, then you should choose the Li-Ion as the best type of battery available for your laptop.

How Increase the performance of Battery?

Regardless of which type you have, it’s important to properly care for your laptop battery, in order to get as much life out of it as possible.

•”Conditioning,” which means fully discharging and then fully charging the battery, should be done at least every few weeks, as it maintains the full capacity of the laptop battery.

•Some authorities claim that this is not necessary with Li-Ion batteries, while others maintain that it’s a good idea to condition all laptop batteries regularly, rather than simply leaving them plugged into the wall at all times.

•Your laptop battery should never be stored in an area that drops below 50ºF (10ºC) or rises above 95ºF (35ºC); this means that your laptop should not be left in the car or in a storage area that is not climate controlled.

•Also, for extended storage of six months or more, the laptop battery should be discharged to 50% capacity and removed from the computer; a battery stored for an extended period of time at full capacity may lose the ability to charge fully, while a battery stored in a fully discharged state may never be able to charge again at all.

Subhash
http://www.articlesbase.com/computers-articles/laptop-battery-buying-guide-85952.html