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Freitag, 01. April 2011

Fire hazard: Laptop batteries recalled

Von laptop, 09:16

The international PC maker Fujitsu Siemens Computers is recalling certain Dell Inspiron Mini 12 battery Amilo notebooks can overheat and cause fire.

A total of 250,000 laptop batteries to be retrieved, Austria is 6,000 units in circulation, the company said on Wednesday. The only affected were customers who have an Amilo A, M or bought Pro V2020 notebook that end where the Dell Inspiron 1501 battery serial numbers on G1L1. Trigger for action, customer complaints because of overheated Dell Latitude D520 battery. This can lead to fire.

“Fujitsu Siemens Computers offers a free exchange at the batteries and recommends that users of affected systems to stop the Dell Inspiron 640m battery immediately and remove the Dell Inspiron 1520 battery. Should the notebook be operated solely on the power adapter to the receipt of the new batteries”, said the company . So far, therefore, four incidents were reported.

Mittwoch, 30. März 2011

Laptop battery

Von laptop, 10:27

* Longer laptop battery life - With advanced diagnostic procedures you Battery Optimizer helps to extend your Dell Inspiron Mini 9 battery life.
* Energy consumption warnings - You can Battery Optimizer set so that a warning message is displayed when your energy rises to a certain level.
* User Friendly - With the intelligent profiles for quick setting changes to optimize your DELL Studio 1537 battery life is fast and easy.
* Unrivalled technology - No other program offers advanced features, the battery provides Optimizer.
* Few traces - The performance of your computer is not affected by the use of Battery Optimizer.
* Free technical support around the Clock - If you need assistance.
* 30-day return policy - For absolute peace of mind.

Why Battery Optimizer?

Battery Optimizer is used to correct a problem that bothers many people: a short Dell Studio 1737 battery life. Most other applications will only help you to manage the switch to power saving mode. Battery Optimizer, however, goes several steps further and tells you how much energy you can save by turning off unused laptop features. These extra minutes allow you to save documents or to achieve the next level in the game before you run out of energy.

What Battery Optimizer makes it unique?

Battery Optimizer is in many ways more advanced than other battery monitoring and battery management applications. Battery Optimizer gives you information about how much more energy by turning off a specific hardware or service, save on your laptop. You can save these settings as a profile and optimize your settings quickly and easily according to your usage.

Unique features that are beneficial for you only with Battery Optimizer:

1. Accurate estimates of energy that can be saved by changing the settings laptop / consumed
2. Extended monitoring of energy consumption over time
3. Shows the remaining battery life, if it is not your operating system makes
4. Easy management of energy consumption

Over time reduces the maximum capacity of your Dell Inspiron 1420 battery. This means that he will not run as long as at the beginning. If you have reached this point, you have three options:

1. Always connect the laptop via a cable to the socket
2. A new battery for the laptop now
3. Optimize their energy consumption

Nowadays, more and more dependent on mobility, you can not afford it determines, with no remaining energy to be on your laptop while traveling. Optimize your Dell Inspiron 1720 battery life with Battery Optimizer!

Montag, 28. März 2011

Battery technology as a sport

Von laptop, 05:29

Of nickel-metal hydride batteries, one goodbye and turned to lithium-ion Dell Latitude E6400 battery, which are still at the beginning of the development

Toyota / Lexus hybrid cars built in his now since 1997 nickel-metal hydride Dell Inspiron 1525 battery. This one has enormously gained a lot of experience, acquired considerable know-how and also spent a lot of money. will this lead to not give away. Therefore, it continues to focus on this technological base.

On the other hand, such as Mercedes. There is indeed in the near future a hybrid M-Class with nickel Metallydrid Dell Precision M6300 battery on the market, but actually it has long since departed from this technology and facing the lithium-ion DELL XPS M1530 battery. It has in effect been decided to change the sport, because in terms of nickel metal anyway sees no chance of becoming world champion.

Fire hazard

The lithium-ion technology for the car is still in its infancy and promises spectacular results, as far more capacity per weight and volume. However, there remain serious obstacles even wait for the developers. One of them: a membrane melts (currently made of plastic) by, poses an extreme fire or explosion, which at present can be curbed only by complex control systems. By melt-proof membrane made of ceramic material are only in development.

Biggest hurdle is the price: According to insiders, Toyota is already finished in the position, its batteries well below 1000 € per kilowatt hour, while a lithium-ion Dell Vostro 1510 battery has a multiple of that cost. Certainly one of the reasons why the new Prius going back to this technology.

Donnerstag, 24. März 2011

Replacement batteries for notebooks in the c’t test – cheap cordless replicas are sufficient

Von laptop, 08:01

Hannover (ots) – If after two or three years, the notebook only half as long runs, it soon need a new DELL Latitude D630 battery. Instead of buying expensive originals from the manufacturers, you can save up to two thirds of the price with cheap imitations. In the test by computer magazine c’t (issue 11/10), the cheap replacement Dell Vostro 1510 battery have proven effective.

“The capacity is partly a little less, but the weight of the price difference at all”, says c’t editor Rudolf Opitz. “Some replicas have in our test even performed better than the original.” Is important, however, where to buy its new battery: The shop should have a complete address in the imprint are. A conversion could otherwise be hopeless. In c’t test at least two faulty DELL XPS M1330 battery from reputable dealers have landed in the office – both were replaced without difficulty. In addition, the shipping costs easily exceed the purchase price if you have to send the package back to about Hong Kong.

Current consumer Dell Inspiron 6400 battery lose, according to a rule of thumb, after two to three years of storage at room temperature for about 50 percent of their capacity. Of used batteries should therefore essential to keep away. The Internet address is even used batteries for sale that were affected a few years ago by a recall.

Unlike traditional DELL Studio 1537 battery, there is no identifiable marking the end customer with the date of manufacture. “This is actually a case for consumer protection,” says c’t expert Rudolf Opitz.

Mittwoch, 23. März 2011

Information about the battery state Battery Monitor

Von laptop, 04:48

The small iPhone app Dell Studio 1737 battery Monitor provides information on the charge state of the iPhone will include an approximate estimate can be used as long as certain features still.

The Dell Inspiron 6400 battery can monitor: The app displays how much power left in the battery of the iPhone or the iPod Touch infected. It also displays the exact version of the current firmware. In the bottom of DELL Studio 1537 battery monitor information on the estimated standby time of the device. Among them is visible, can be used as long as certain features probably before the Apple product must be connected to the outlet.

Installation and function: Dell Vostro 1510 battery Monitor is available via the App Store. The application is free, but is funded by advertising.

Conclusion: DELL Latitude D620 battery monitor is a nice additional tool that is a little more information about the charge state than the built-in feature of Apple.

Dienstag, 22. März 2011

The notebooks with the longest battery life

Von laptop, 07:04

Particularly important is the battery life of a notebook for users who need long survive without power. We show you the notebook with the longest battery life in the test.

How long does a notebook on battery power by holding depends primarily on the size of the Dell Inspiron Mini 9 battery. But the battery capacity is not always close to the term. Because other factors influence how long a laptop running without AC power.

Especially important are the computational burden that must cope with the laptop on Dell Latitude E4300 battery power and display brightness. In the office use at 100 cd / m2, most notebooks do with a standard battery two to three hours. Three to four hours to reach many notebooks with 14-inch display. Play back a DVD on DELL Latitude D620 battery power, reduces the running time by almost an hour, with the Blu-Ray playback at about 1.5 hours, with 3D games it drops even more.

To test the Dell Inspiron 1525 battery life in notebooks, we use the benchmark Bapco MobileMark 2007th Although this program simulates the everyday work of a business user, a long Dell Studio 1737 battery life for home users is important that the notebook would like to use for several hours without power: this, the movie experience counts during the train ride just like a computer game-afternoon on the balcony.

The gallery presents all notebooks that hold after the Mobile Mark 2007 benchmark at least 426 minutes - that more than seven hours. In our Buying Guide "power-saving business-notebook" You can find a detailed explanation of how the Mobile Mark 2007 battery life calculated.

Montag, 21. März 2011

NTT Docomo calls batteries back due to manufacturing defects

Von laptop, 05:06

NTT Docomo, One of Japan's largest mobile operator, announced last Thursday the recall of mobile phone batteries known. The lithium-ion DELL XPS M1330 battery could lead to a manufacturing defect can overheat and cause a short circuit of the mobile phone, the company said.

When the DELL XPS M1530 battery would get by a violent blow, a pressure point on the outside, deformed electrodes could pierce the insulation of the DELL Latitude D620 battery, the mobile operator. This leads during or immediately after a loading process as possible in a short circuit.

The affected DELL Studio 1537 battery were Sanyo GS Soft Energy, A subsidiary of Sanyo Electronic prepared and were used mainly in hand-held devices of the type FOMA D902i. Such as NTT Docomo announced that the owners of the affected devices are currently being informed about the problems and will soon receive a new Dell Studio 1737 battery as replacement.

Donnerstag, 17. März 2011

Avoid exposing your battery to heat

Von laptop, 07:01

Heat can overexcite the chemicals in your battery, shortening its overall lifespan. In fact, it’s been speculated that the biggest cause of early battery expiration is the heat that Dell Inspiron 1520 battery can be exposed to when they’re stored in computers that are running off AC power. Laptops — especially modern multi-core machines — can get very hot when they’re plugged in, easily over 100 degrees Fahrenheit. That’s hot enough that extended exposure will negatively affect your DELL XPS M1530 battery. If you want to be really protective, there’s nothing saying that you can’t pop the Dell Vostro 1510 battery out of your laptop if you’re going to be within reach of a power outlet for a while.

There may be times that you can’t help but expose your Dell Inspiron 1501 battery to heat; you may live in a warm climate, for instance. You can, however, try and avoid exacerbating the issue. Make sure your laptop is well ventilated and that you’re not operating it on a surface that retains heat, even when you’re not plugged into mains power.

Avoid exposing your battery to heat (when possible). Heat can overexcite the chemicals in your Dell Inspiron 1520 battery, shortening its overall lifespan. In fact, it’s been speculated that the biggest cause of early battery expiration is the heat that batteries can be exposed to when they’re stored in computers that are running off AC power. There may be times that you can’t help but expose your DELL Latitude D630 battery to heat; you may live in a warm climate, for instance. You can, however, try and avoid exacerbating the issue. Make sure your laptop is well ventilated and that you’re not operating it on a surface that retains heat, even when you’re not plugged into mains power.

Mittwoch, 16. März 2011

Guarantee and warranty

Von laptop, 09:12

We want you to shopping at BATTERIE24 pleasure and your purchase runs smoothly as possible. This includes any event that the description matches the product that the product has no technical defects and that the goods were delivered after the payment within the promised delivery time or a reasonable time. If this is not the case, we'll replace it or issue a refund you the purchase price of the item.

If we have done something wrong, it is up to you if you give us a chance to repair free of charge, to Which We are of course always available. Of us incorrectly packaged goods, we take no questions asked return and exchange it against the items listed in your order to. The shipping costs we take over completely.

If you exercise your two-week right of return do, send us an e-mail . and note the section Withdrawal and return policy .

If you wish to claim a technical defect or malfunction during the warranty period, please note the following:

I. Warranty
All items are New in original packaging. If the delivered items have obvious material or manufacturing defects, including transport damages, so such errors, please complain in writing to our customer service via e-mail or fax. For all items (material, installation and construction), a statutory warranty of two years from date of purchase. It remains subject to the provisions of the respective manufacturer's warranty.

II Battery Guarantee
Batteries and batteries are consumable goods with limited warranty! Damage to batteries and Dell Inspiron 1520 battery that caused by normal wear and tear or improper application during installation, connection, operation or storage Do Not Justify any warranty. These include, inter alia:

- Intensive use of more than 100 charging cycles per year
- Improper use of the product, in conjunction with accessories
- Failure of the product due to a faulty installation
- Overloading damage the battery by faulty loading or
- Damage to the product label or battery housing (eg by opening) or manipulation of the DELL Latitude D630 battery cells
- Repairs Carried out by non-authorized service centers.

Rechargeable batteries are consumables that are undisputed are subject to rapid wear because they are constantly loaded and unloaded. The life of these batteries is limited and depends on various factors examined as storage, use or quality of the chargers. All manufacturers strongly advise that batteries that are a) intensive use - or, b) strong temperature variations (laboratories, travel) or c) permanently connected to a power supply are (eg, notebook computer or screwdriver) 12 months after losing 50 percent of their original performance. For such power losses can not guarantee claims are asserted. (Hints and tips on caring for batteries and battery) In the ideal case and under laboratory conditions, a Li-ion Dell Vostro 1510 battery can be recharged up to 300x. In practice this is unrealistic and fragrances are limited to about 200 Therefore Recharges. After that, the battery can no longer regenerate and be replaced. Therefore it is perfectly possible that the Dell Inspiron 6400 battery life is shorter than the warranty period. A time limit is difficult, because the lifetime thus depends on the number of loading operations.

III. Procedure
For all battery complaints within the warranty and guarantee period:

1. Please submit to us before the invoice or packing slip
2. Note that the guarantee Applies only to materials, installation and construction
3. An exchange within the first 6 months with legitimate claims without any problems, then you must Demonstrate as a user that the DELL XPS M1330 battery was defective at the time of purchase.

In general, manufacturers Provide a warranty for a period of

* 6 or 12 months for battery
* 12 or 24 months for batteries
* 12 or 24 months in power supplies, battery chargers and other devices.

Some manufacturers therefore give 3 years warranty on chargers. For questions about the exact time of a product warranty, please read the enclosed warranty deed or please contact us.

Disputes, we will of course after consultation with and within our means, fair deal. Since we expect a defect within the warranty period with a processing time of 4 to 6 weeks, we would like to point out that a settlement could be faster directly from the manufacturer. If necessary. This therefore has solutions ready for you, we as dealers can not offer (replacement of accessories or spare parts, manuals, software updates, etc.). On request, we can Provide you with a personal contact with the respective manufacturer that cares about your concerns.

Montag, 14. März 2011

GM accelerated battery research

Von laptop, 07:49

For about eight million dollars, General Motors will expand its Dell Inspiron 1420 battery lab in Warren (Michigan) to twice its original size. Volt is also on his first electric car, Chevrolet, announced the American OEM further progress.

The laboratory in Warren, GM will double to an area of around 58,500 square meters, in which the American car manufacturer currently employs more than 1,000 engineers. In the course of earlier buildings should also be used for testing of engines for the Dell Latitude E4300 batterydevelopment. With just under eight million dollar construction work, GM will still start later this month, with the conversion work is finished this summer.

"We want to develop Dell Latitude D620 battery technology for our cars checked himself, and also produce," said Micky Bly, director of global development for electrical systems at GM. The development of Dell Vostro 1520 battery research is also meant to be on this area one of the world's leading developers and manufacturers.

At the same time the U.S. company announced further progress in the series development of the Chevrolet Volt or its Euro-Pendand, Opel Ampera. Thanks to new powertrain calibrations on the electric car has now reached a pure electric range of about 64 km. To date, the maximum electric range, barely 40 km. GM also with the pre-production Volt more than 500,000 test miles with the Dell Inspiron 1501 battery has already completed more than 850,000 miles in the laboratory.

Freitag, 11. März 2011

Ice Age for batteries

Von laptop, 03:48

Laptop batteries last about four to six years. Then they make - like the beginning of the cold season - flabby. We tested eight batteries

Laptop batteries do like to limp at the start of winter. The reason: At low temperatures the chemical processes run more slowly, and the aged cells provide less power.

Most batteries to terminate her early end when you start the engine by lifeless organs of the starter, before they fail completely in service. Frequently, however, also lead deep discharges and cold temperatures in the Winter the sudden battery death. Then go from now on equal anything. Good advice, then, who sought time to suitable replacement.

When choosing the right laptop Battery should pay attention not only on the correct fitting size, but also by the laptop manufacturer required battery capacity. For small batteries are quickly overwhelmed, too much can cause damage to the alternator and the vehicle electronics.

This is a new winter tire test AUTOZEITUNG:
"We have tested 14 current winter tires in size 195/65 R 15 T

To determine the performance and quality differences from brand and generic products, we bought eight different DELL Studio 1537 battery models in auto parts stores, in stores and hardware stores. We chose lead-acid batteries in the range 70-72 amp hours (Ah) from. Batteries of this capacity are most frequently used in small laptops and compact models, such as VW Golf or Opel Astra.
Battery test in the cooling chamber

To guarantee an objective evaluation, we were all batteries on a special battery tester of the FACT GmbH Automotive Technical testing and engineering center study Heimertingen. Here, the technicians tested the capacity and the strength at discharge.

Equal to one of the first test cycle was sobering: No battery reached after full charge it the rated capacity. The best test candidate, Exide Battery, reached 92 percent (that is 66 Ah), followed closely by the minor (64 Ah), while the worst came to the Arctic, only 54 percent - instead of 70 so have provided only 38 ampere hours.

Much better, however the Dell Vostro 1510 battery cut off in cold weather. For the Cold start tests We banished the subjects in the cooling chamber. Here they had temperatures of minus 20 degrees Celsius endure for twelve hours before we finally kicked the cold-start tests and high power demands.
Winterizing laptop battery

As a leader in this discipline turned out to be our Test winner, The sunshine battery. After this cold-torture she put with 36 amp hours at least another 55 percent of its rated capacity available. So that 16 energy-sapping engine starts were behind the other possible. The DELL Latitude D630 battery of minor cut well in this respect with 14 possible cold start. The result for both power packs so indicated on a Good winter performance out. The Arctic High Tech (worst in the test), however managed just seven cold starts.

In terms of durability (cycle life) reached the sunshine - followed closely by Perion battery - the best values. The Max Bahr, the Exide Premium, the minor, Varta and Bosch Silver impressed here too. In the end, reached the minor battery - after various Deep discharges - The best energy storage. So they ended up in our test on the third.

More service and Tests: The free newsletter of AUTO ZEITUNG

When Endurance test (Current consumption, z: B. accidentally left the lights on) was again the sunshine Dell Inspiron 6400 battery in front, followed by Max Bahr, Bosch Silver S4, Perion and Varta Blue Line. Last again in this discipline, the Arctic High Tech, which is available at ATU. This battery was two and a half hours earlier than the winner of sunshine.

Conclusion: Clear winner is the Dell Inspiron 1501 battery of sunshine in four disciplines, she cut off with the best values. Second-placed battery, the premium of Exide scored, with the best capacity and the highest number of discharge cycles. With consistently good results convinced the minor battery, thus securing third place. Loser Arctic reached just 222 of 500 points.
Holger Ippen

How we test
In collaboration with the Society for Technical Supervision GTü and subjected FACT GmbH Automotive Technical testing and engineering center, we eight batteries a test stand and cooling test. We have simulated and measured the electrical load capacity.

Donnerstag, 10. März 2011

Batteries: power supply for laptop

Von laptop, 04:30

In our digital (photo) world these days nothing works without energy. Whether flash, remote trigger, GPS receiver and camera – all applications are dependent on a portable energy source.

Currently have prevailed in the Digital Imaging Li-Ion battery on a broad front against the conventional NiMH round cells, but which are still mostly in accessories like flash units and GPS receivers use. In this the so-called or rechargeable AA battery, the main role. One might assume that the DELL Latitude D620 battery is the highest capacity is really the best option is for use in the photo area. Although this statement is true in principle, but there are a lot of other decision criteria that are to be explained here again.

The first problem that arises when you buy the battery is an indication of the capacity printed on blister and battery. When you next time go into one of the major electronics markets, why not make just even a quick walk through the accessories department. There you will find an unbelievable variety of batteries and batteries. Below you will certainly also charge batteries with the line giving 3000mAh or more! Oddly enough, these batteries are also more favorable than that of the renowned manufacturers, which have also a significantly lower capacity. Who by then no doubt have come is the tricks of the provider actually gone into the trap. Because unfortunately there is currently such that the capacity information is not a uniform policy must be printed the following, but allow considerable discretion. That will probably change (hopefully) soon by the introduction of a European battery posited. But until then, it is the data with caution. Current capacity up to 2800mAh realistic.

In addition to the real capacity also plays a crucial role in resistance to cycling. The often stated 1,000 charge cycles, which are advertised on some packaging or brochures, are far away from any reality. In general, traditional NiMH batteries survive in the household 300-400 cycles – provided there are good batteries, and your charger has a certain quality. To whom this seems too little, which was once to calculate how long he can use the Dell Inspiron 1501 battery when this week he invites! Good batteries usually provide the alleged border services provided over a long period of time. Usually, the capacity drops only after 100x Laden by a few percent. Cheap batteries may very soon lose some of their power permanently. Also deteriorates with increasing use of internal resistance in the cells. Increases the internal resistance in the batteries, reduces the power that can deliver the Dell Inspiron Mini 9 battery to the device. This does not mean that no power is more available in the battery, it can not simply be fed properly. Perhaps the comparison can be a blocked drain the thing clear: this filthy increasingly less and less water to flow through, although it is present. Also here, high-quality batteries compared to the simple products.

For several months there is a new addition to the conventional battery version, which is called in jargon “Low Self Discharge batteries. This new generation differs materially from the classic models. Although these batteries have a lower capacity than their older versions, but they are much less demanding in terms of storage. And this is a really huge advantage! A standard NiMH battery with 2700 mAh capacity lost when it is stored loaded to capacity. It does not matter if the battery is in the device or in a drawer.

What do you estimate how high the power loss in a month? 5 or 10%? There are fewer than up to 25% of its actual capacity! Thus, from the 2700mAh battery within 4 weeks 2025mAh energy storage! A Dell Vostro 1520 battery of the new class with 2500mAh LSD can be stored for a period of 12 months and lost only 20% of its power! Furthermore, the new generation of battery already summoned us can thus be used out of the box. And last but not least, the above-described cycle stability is also significantly higher than the standard battery.

As this new generation price is hardly any different from the normal battery, normally this preference is to give. Even for devices with low power consumption, such as clocks, remote controls and computer mice, which until now the battery was being considered as a reasonable solution, offers the use of the LSD batteries. This new series is already there from many vendors, such as Ansmann (max e), Varta (Ready to use) and Panasonic (Infinium).

To store the battery pack is to basically say that they should not be kept in freezer (as is sometimes claimed), or other obscure places. Ideal would be to charge the batteries in a dry and cool place to store. The Dell Inspiron 1525 battery is also grateful for periodic charging and please be sure to use only batteries along the same brand, type, capacity and age.

Dienstag, 08. März 2011

Charge cycles / life in theory and practice

Von laptop, 07:01

Almost all lithium-ion battery manufacturers say their energy donors, a lifetime of about 500 to 800 charge / discharge cycles to. Some notebook makers such as Fujitsu Siemens are more conservative and give about 300 cycles of “proper care”, while others conceal the statement completely – and with good intention.

The achievement of the nominal charge cycles depends on many factors. The most important parameters are the discharge current or the electrical load and temperature. Under ideal conditions, ie at 20 degree Celsius ambient temperature and a load of 1 / 5 of the rated current (0.2 C), the Dell Vostro 1420 battery reaches more than 500 charge / discharge cycles to reach the battery capacity limit of 80 percent. Change the load value to 1 C, the Dell Studio 1737 battery is only about half the number of charge cycles.

In addition, the difference from the nominal battery capacity is greater, the higher the Dell Latitude E4300 battery is charged. Ideally, therefore, a lithium-ion battery that is charged in the notebook, mobile phone or PDA, with 20 percent of rated current to achieve the optimum performance in terms of the charge and discharge cycles. For example, a Dell Inspiron 1520 battery with a capacity of 4320 mA / hour (11.1 volt) ideally operated with 864 mA load current. In reality, the notebook this value (0.2 C) is achieved only with extremely preferred power-saving options – if at all. Under maximum operating conditions, such as a high utilization of CPU, graphics, display and hard drive are electrical loads up to rated current specification (1 C). This simultaneously increases the operating temperature of the Dell Vostro 1510 battery dramatically accelerate the aging process and also the performance decline of the lithium-ion cell.

Focus: Batteries – the quick death

Von laptop, 04:59

The manufacturers of mobile devices expect battery life of up to eight hours at notebooks, more than ten days of mobile phones and a life of over three years. In general, the cells provide energy but after half a year less dramatic or even unusable.

In the mobile business use laptops, PDAs and cell phones are indispensable helpers. They should go to work long and reliable. Therefore, the decisive buying criterion for such a device, the Dell XPS M1330 battery time. Manufacturers shall not mince words and outdo each other with running time details.

After the acquisition of a mobile device may be the buyer with the running time of the Dell Inspiron 1525 battery still satisfied. But after a few months, followed by disillusionment – the full-bodied propagated term of the manufacturer will no longer be approached. The help-seeking handle for manual turns out to usually be unsuccessful. In the user manual, the user has only rudimentary care instructions for the Dell Inspiron 1501 battery, often followed by a terse note: “The battery life remains after the full load remains low, the battery reaches the end of its life and should be replaced.” In addition, discloses a further look at by warranty, the DELL Studio 1537 battery is excluded after six or twelve months from the warranty. The subsequent transition to the dealer breaks, depending on battery type is a big hole in the wallet.

The irritated user asks, rightly, whether the reputation of the lithium-ion batteries is justified. The producers talk about the lithium-ion Dell Inspiron 6400 battery will last more than three years. In addition, the energy supplier which more than 500 cycles without damage. We explain to conceal what the manufacturers and what the user must pay for lithium-ion batteries.

Samstag, 05. März 2011

Intelligent Load and control electronics

Von laptop, 04:36

A highly significant effect on the running and life of a lithium-ion battery has an intelligent charging electronics. She should be able to save power and as safe as possible charge. Additionally, the charging circuitry to protect the lithium-ion Dell Inspiron 1520 battery from charging voltages above 4.20 volts. Even under stress or deep discharges below 2.5 volts harm the individual Dell Inspiron 5160 battery cell. Both extremes lead to irreversible damage to the energy donor and thus to a significantly reduced capacity and shortened life span.
In addition, the charging electronics must constantly monitor the temperature of the battery cell. Because a too high thermal load during charging of the Dell Studio 1537 battery also has a lasting negative effect on the life and the total capacity.
The optimal charging of a lithium-ion batteries should be between 0.6 and 1 C maximum. This charging current can be batteries in about 2.5 hours of charging in full. The propagated by the Dell inspiron 1525 battery manufacturers are working with quick-charging system charging currents of up to 2 C and manage to charge the Dell Vostro 1510 battery within 30 to 60 minutes. However, this method reduces the battery heavily loaded and running and life.