Can Lapto be directly connected to the power instead of battery

Can Laptop be directly connected to the power instead of battery ? Yes, you can remove the battery, but if suddenly loses power, it will make your files not saved, and if you do not use the battery for long time, you had better charge and discharge the battery every two or three months, this will not make the battery aging eraly.

In fact, you can remove or not remove the battery, many people think the battery has a charge and discharge times, if did not remove the battery, it will affect the battery life. This view is true, but if you remove the battery, suffer the loses power suddenly, it has grater damage to the computer, and if you are doing important things, it will make your work can not be saved, besides, the battery charge times is not the connect AC Adapter times, usually refers to the full charge and discharge times, the following are the laptop battery daily maintainers, you can learn from.

Laptop battery maintaince guide:

The battery is a consumable, with a limited life span, most manufacturers have a warranty period three months to one year to the laptop batteries, to batteries, the correct use ways and proper storage can significantly extend the laptop battery life.

Some tips of Laptop Battery use:

1. when using the laptop, you need not remove the battery, there are over charging protecting chips on the motherboard, When the battery is fully charged to 100%, the charge control  chips (FET) will stop charging the battery. We do not have to worry about the damage of the battery. Besides, connect the battery can avoid loss of BIOS information and prevent the lossing of date when the power suddenly stop.

2. Prevent exposure and damp, and prevent the erosion of chemical liquids, avoid the contacts of the battery connecting with the metal objects, prevent short-circuit.

3. The correct way to store the laptop battery, Hot to store the laptop battery, use up the battery power or full charged the battery ? Store the battery with full discharged will make the batteries lose activity, even lead to the control circuit protection self-locking and no longer available. Store the battery with full charged will bring the safety risks, the best preservation method is store it in a cool and dry place with about 40% power, about 20 temperature is the best store temperature, of course you had better use the battery once a month, this can guarantee the battery a good state of preservation, and will not let the battery power completely loss and damage to the battery.

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HP Probook 6360b Laptop and its Battery

Sometimes an extra 100MHz isn't worth the money. The HP ProBook 6360b business laptopcosts $989 (direct) as one of HP's ready-to-ship models with a 2.5GHz Intel Core i5-2450M processor, 500GB hard drive, and three-year parts and labor warranty. Our test configuration, however, had a slightly quicker 2.6GHz Core i5-2540M CPU and slightly smaller 320GB, 7,200-rpm hard drive. To match it, we had to go into the custom configurator on HP's enterprise site and spend $1,699. That's misleading because such corporate custom orders are rarely for quantities of one—rather, they're for IT-department buys that earn volume discounts—but still, we'd gladly settle for the 2.5GHz model and appreciate the ProBook 6360b's other charms at the expense of unnoticeably slower times in stopwatch tests.

The ProBook 6360b is of course rectangular, not square, but we found ourselves thinking of it as square in a "not hip, daddy-o" way: It's a bland-looking slab measuring 1.3 by 12.7 by 8.7 inches (HWD) and weighing 4.8 pounds—definitely on the hefty side compared to, for instance, our Editors' Choice ultraportable, the 3.2-pound Toshiba Portege R835-P88.

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The 13.3-inch screen offers the usual 1,366 by 768 resolution and a nice matte antiglare finish. Text and fine details looked crisp and colors were vivid across a moderate range of viewing angles. Brightness and contrast were good as long as we kept the backlight to its top three or four settings. Audio is decently loud and clear.

Equipped with a 2.6GHz Core i5-2540M processor and 4GB of RAM, the ProBook 6360b delivers solid performance. Its PCMark 7 score of 2,305 and Handbrake video encoding time of 1 minute 45 seconds are virtually identical to the Toshiba R835-P88's 2,313 and 1:46, respectively. It tied the Lenovo ThinkPad X1 in CineBench R11.5, with a score of 2.85 points, and was a few seconds faster than its peers in Photoshop CS5 (3:48).

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The system's Intel HD Graphics 3000 predictably proved not up to the challenge of serious gaming, falling short of 30 frames per second in both Crysis (17.9 fps) and Lost Planet 2 (14.9 fps) at 1,024 by 768 resolution. Unfortunately, the 6360b hung up during our MobileMark 2007 battery rundown test, so we switched to our backup DVD simulation test (looping a two-hour MP4 file with screen brightness at 50 percent). The ProBook 6360b's removable 6-cell, 55Wh battery lasted 5 hours and 14 minutes. A 9-cell, 100Wh battery is an option.

The HP ProBook 6360b is a respectable contender in the 13.3-inch business laptop contest, with responsive performance and a keyboard that narrowly tops that of the Editors' Choice Toshiba Portege R835-P88. But its extra pound and a half of weight, and lack of HDMI and USB 3.0, make it hard to recommend over the Toshiba R835-P88. It's not always hip to be square.

HP Probook 6360b battery is a 55WH/6Cell and 10.8V Rechargeable Li-ion Battery

Choose a right AC Adapter for your Laptop

Nowadays, the laptop is more and more popular, many people buy laptop. However, no matter the users or sales-man, the most talk about is the laptop’s CPU, Chipset, WIFI and the new technology, less people will notice the AC Adapter. In fact, to the Laptop AC Adapter, we must pay more attention, because the ac adapter is the laptop’s power source.

Today, we will talk about the Knowledge about Laptop AC Adapter

1. Working principle

As the home use power is about 100V – 240V (AC), and the power on the car or plane is about 12V (DC), but these three common power is not stable, but the laptop need constant voltage DC of stable power, so it can not directly charge the notebook computer, otherwize it will damage the notebook computer.

So, simple put, the work of the AC Adapter is make the unstable power supply into a laptop computer needs constant voltage DC through the principle of switching power supply, charge and supply power to the laptop.

But It is noteworthy that this transformation circuit, there must be protection circuit (include Overcurrent protection circuit, Over-voltage protection circuit, Short-circuit protection and so on.), Prevent accidents, protect the notebook computers from being burned.

2. Choose good brand

Now many small factory’s fake and shoddy products are Unqualified, Normal use should be no problem, once the unexpected will burn your laptop. Save tens of dollars but burn your thousand dollars laptop, it is not worth, these products often cut corners, such as its actual voltage and current has only 19V / 3.42A, but mark 19V / 4.74A, this will cause charge slower, or even damage your laptop battery and laptop.

So it is suggested to buy ac adapter to professional factory’s products, such as www.batteries-world.co.uk,  www.laptopbatteryinc.com, www.battery-chargers.org, these three shops all sell high quality laptop battery and laptop ac adapter.

3. Distinguish using purposes

If you need office work or home use, you can purchase a home use (AC), if you need use in the car, you can purchase a cau use (DC), if you need use in the plane, you add a plane plug on the basis of car. If you need a taking into account these three, you can buy a three in one ac adapter, if you do not want your laptop bag add weight, you can buy two ac adapters, on in the office and one at home, this will very convenient and can give other people use.

4. Clear voltage, current and connector

Look at your original ac adapter, remember the voltage (V) and current (A), they are often marken after “output”, you should also clear the connector, look it is circle or spuare.

If your original ac adapter’s voltage and current is 18.5V / 3.5A , that means the ac adapter you wan to buy its voltage must 18.5V or higher (not much higher), and the current must 3.5A (the higher the better, but the higher the expensiver). 

Digital Camera Battery maintain tips

The battery is a very important part of digital camera, if you want to successfully complete the filming activities, a strong power of the battery is very important to protect. A digital camera battery use time is long or short, not only related to its quality and capacity, but also related to the user’s operating. Even the best batteries, if not properly carry out maintenance and maintenance, it also can not support long time effective power supply.

A lot of photographers are accustomed to put the battery in the camera bag or cupboard after using the camera, rather than out to save individually, this approach looks normal, but it is not conducive to the protection of the battery. Generally speaking, if you do not use the camera for more than 15 days, it is suggested remove the battery and store it individually, keep it in a dry and cool environment. Nowadays, most of the batteries that the digital camera use are lithium batteries, it is very convenient to store, but if you did not use it for long time, you should full charge and discharge it every two or three month, through this activation can effectively extend battery life. If the battery you use is Ni-MH battery, you must use up the battery power before charging, and you must full charge the battery can cut the power every time, if your camera use the alkaline batteries, you must remember removing the battery from the camera after using the camera to avoid the cell sap outflow and damage the machine.

The charge of the battery is very particular, in generally, the new battery’s power is often very low or has no power, so the first charge must be full, the Lithium battery charging time is generally more than eight hours, and Ni-MH battery charging time is generally more than 16 hours. Lithium batteries have no memory effect, so it need not discharge operation, otherwise it will destroy the cell structure, loss of battery life, but the Ni-MH battery have memory effect, so after using the battery for three times, should use up the battery power and full charge it, in order to achieve the best use results, try not to be recharged when battery has residual power, otherwise it will shorten the battery life. In addition, the just full charged battery in generally hot, you had better use it after it cool down. You should also pay attention, no matter you use the lithium battery or Ni-MH battery, you’d better not put it in the bag or package that have metal good, to avoid short-circuit.

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Google search advertising is the perfect Facebook Ads did not work

According to media reports, Google advertising executive Jason Bigler said that he is not surprised the nation's third-largest advertiser-General Motors get its $ 10 million of Facebook advertising budget completely withdraw, because Facebook advertising did not effect.

Bigler yesterday in the Twitter website said: "Strictly speaking, do you really think that consumers will produce the idea of shopping on Facebook ?”

The facts show that the Bigler view is right. Facebook is not Google, the reason is simple: Google has a perfect online advertising products, but Facebook do not know it's online advertising product is what kind of.

Google has the perfect online advertising is search advertising. The reason why Google's search advertising is perfect, because those who pay for advertising advertisers know that the people who see this ads themselves also want to see these ads. When consumers visit the Google website, search for products or related information, and then Google will send them the company that produce those products and their competitors company's advertising

Google ads’ targeted are not virtual. But Facebook advertising is quite different, its ads are still using outdated methods.

When an advertiser buy a TV commercial advertising time, it is because the advertisers have been told what kind of consumers will watch that channel programs, and thses advertisers must also confirm this kind of consumers are the consumers they really want to come into contact.

Facebook advertising is to use this method. Its sells advertising is based on the what kind of people will see what kind of content. Compared to the television advertising, now Facebook has the only advantage is Facebook users will talk about a lot of things on the site, Facebook can reveal some information about what people will see their ads to the advertisers.

But compared to the television advertising, Facebook’s biggest disadvantage is its advertising is very easy to be ignored by consumers. Not only because it is very small, but also these ads can only be seen on corner of the Facebook.com website. Such ads usually can not have a good introduction to the advertisers and their products, and therefore can not effectively persuade consumers to go shopping.

If you are an advertiser, which advertising will you first choose to buy ? Which advertising will be showed to the consumers that want to know your products or your competers ? Or showed to the consumers that are interested in buying your products.

You will certainly choose a search advertising, or television advertising, but certainly does not give priority to the Facebook advertising. This is the reason that Facebook's advertising business development slower than expected, Its advertising business or have no accelerated development. It also did not develop a better product than the current advertising products.

Four mistakes of Laptop Battery maintain

Laptop battery is a very important part to the laptop, the laptop’s mobile performance depends on it, so it is very important to maintain the laptop battery. But many users have some mistakes on how to maintain the battery, so taday batteries-world will introduce some common mistankes on maintaining the laptop battery, so that users can out of these mistakes.

Mistake 1, the new buying laptop must full charge and discharge three times to active the battery

In fact, there is a wrong way, unless the laptop you bought is in stock for more than one year, or you need not do this, Because now all the battery cells have been activated when they are in factory, and when the cells were in the package into the laptop battery, it through a equivalent of activation, so the battery you got has been activated eraly, full charge and discharge the battery for three times only will increase the battery lose.

Mistake 2, the battery must charge for more than 12 hours for first time.

This is also a wrong way, to the early Ni-MH batteries without battery control circuit, it works, but today all the laptop batteries has smart control circuit, when the battery is full charged, the charging current will automatically cut off, even if you continue to charge for 120 hours, the state would not be any changes. Generally speaking, even the charging lowest machine, six hours will be full charged, continue charging can only a waste of your time and electricity. The best way is to charge the battery after using up the power for the first three times.

Mistake 3, the battery need correct regular, it need full charge and discharge once a month

To the Ni-MH batteries that have strong memory effect, it is a necessary work, but to the lithium batteries, it is too often, if you often use the battery, you need charge the battery when it has about 10% - 15% power, if you use up the power, it is harm to the batteries, in genera, you can full charge and discharge the battery every two months, if you use the battery little, every three months is enough.

Mistake 4, store the battery need full charged or full discharged

In fact, no matter full charged or discharged, it is wrong, store the battery with full discharged for long time will make the battery lose activation, and store with full charged will cause security risks, the best way is store the battery in a dry and cool envoronment with about 40% - 60% power, the store environment must not too low, or it will reduce the battery’s capacity, the best temperature is 20.  

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How to store and maintain Laptop Battery

Nowadays, more and more people use the laptop, and how to store and maintain the Laptop Battery is concemed by most laptop users, today we will talk about the ways that store and maintain Laptop Battery.

1. You need not use up the power before charge the Laptop Battery

Now, all the laptop batteries are all lithium batteries, to lithium batteries, use up the power before charge the battery is useless, or even harm to the battery. Because lithium batteries have no the so called “memory effect”, only the early Nickel Battery has. In generally speaking, laptop battery’s life is effected by the human damage and its nature life, laptop battery life is stationary, 300 – 600 charge and discharge times, can use about two years.

2. When plug in the external power, you can remove or do not remove the battery

Remove the battery or not depends on the actual usage, when plug in the external power, you do not remove the battery has no harm to the laptop battery, Because the battery will not accept any power when is is fully charged, power will be directly turned to the notebook's power supply system, but when the laptop is high-speed operation, the internal overheating, it is best to remove the battery, otherwise it is harmful.

3. How to properly charge the laptop battery

You should be avoid using up the battery power before charging the battery, because this will give the battery a lot of pressure and resulting in damage. A more feasible approach is to charge the battery when the battery remain about 20-30% of power. In fact, the notebook lithium battery in the number of "use up / charge" times is limited, all used up and then charge will greatly shorten the battery life. At the same time, the battery should be charged in a dry place, and you should also pay attention to the heart problem.

4. How to store your long time no use laptop battery

Hot to store the laptop battery, use up the battery power or full charged the battery ? Store the battery with full discharged will make the batteries lose activity, even lead to the control circuit protection self-locking and no longer available. Store the battery with full charged will bring the safety risks, the best preservation method is store it in a cool and dry place with about 40% power, about 20 temperature is the best store temperature, of course you had better use the battery once a month, this can guarantee the battery a good state of preservation, and will not let the battery power completely loss and damage to the battery.

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Apple Siri : Nokia Lumia 900 is the best mobile phone ever

Many iPhone4S users think that their cell phones are the best phone in the world currently. One important reason is iPhone4S built-in voice assistant Siri. The Siri smart make so many people supriesed, if you ask Siri: “What's the best cell phone ever?”, Siri’s answer may make you sprprise, because its answer actually is “Blue Nokia Lumia 900”.

This anecdote comes from a share of U.S. users, maybe this user only whim casually questions, but the Siri gives this answer that make most of Apple fans disappoint. Of course, the answer is not Apple's official set, it is the analysis of results from Wolfram Alpha intelligent search engine. Perhaps when this news incoming Apple’s responsible people, this results of analysis will be to change out.

Apple: Samsung the world's largest smartphone vendor's status is copied

The patent dispute between Apple and Samsung is still far from over, According to media news reports, the two companies have recently indicated that it would reduce the number of lawsuits against each other, both sides have entered the recommendations of-court settlement . However, this does not mean the "gunpowder" between Apple and Samsung have gradually dissipated. The war of words of the two companies still continues, the focus of debate also focuse on the " whether Samsung is copying Apple or not”.

Apple said that Samsung's products copied Apple's large number of design, especially on iPhone and iPad, this causing serious harm to Apple's business in these two areas, the loss up to one billion dollars. Apple also said that just because of Samsung’s plagiarism make it become the world's largest smartphone vendor.

However, Samsung have given it to refute, insisting that its own products from Samsung's proprietary technology, it also claiming that this is just Apple's own ideas, just because Apple can not carry out effective competition with samsung on the market. 

Nikon D40 Battery Grip, Camera Battery Grip for Nikon D40

Nikon D40 Battery Grip - It is equipped with an infrared vertical-grip shutter release button to enable shooting in the same fashion as a horizontal grip. But before you use the shutter release button on grip, you should set the camera release mode to 'Quick-response Remote' or 'Delayed Remote'. Nikon D40 battery grip can hold two Lithium-ion battery packs EN-EL9 or EN-EL9a. The D-SLR Camera Battery Grip for Nikon D3000 / Nikon D5000 / Nikon D40 / Nikon D40x / Nikon D60

Battery Type: Nikon D40
Power Source: EN-EL9/EN-EL9a battery pack
Net Weight: 154g(not including battery packs)
Dimensions: 128.67x104.20x79.60mm

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the use way of Nikon D40 Battery Grip: 

The new iPad design is Apple's Plan B, Plan A did not gain weight

Apple's new iPad launch has been two months time,  its Retina display and high resolution of 2048x1536 is most user favorite, but recently there is news report that people see the new iPad design is not preferred, but Apple is forced to do "plan B ".

Although the new iPad has a better screen and 4G LTE technology, but new work is thicker and heavier than the old was also been criticized by the printing. Recently, analysts pointed out that Apple's original “Plan A”, the new iPad no increase weight.

DisplayMate Technologies founder, CEO and President Raymond Suonei La said he understood many insider information about the new iPad product design process.

Apple originally planned to use Sharp's a new technology, this technology enables transistors and circuit components reduce the size, improve the transmission rate and reduce the number of backlight, the screen thickness also decreases.

Apparently later Sharp's R & D and production time Inadequate, so Apple was forced to abandon the application of this technology to continue to use traditional amorphous silicon technology.

Now the new iPad we see is the implementation of the results of Plan B, its display isoutstanding, but the light transmission rate is still not satisfactory. At same time, because it requires up to twice the LED tube, so the battery weight increase of 70%.

DisplaySearch analyst Richard also agreed with this assessment. "The idea is the application of Sharp technology, it can use fewer LEDs, there is no need to increase the battery weight."

However, Apple's product design has always been the most emphasis on user experience and pleasing in appearance, to the current market feedback, Plan B also seems to be a good choice.