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The battery analyzers for critical missions (B)

2010 April 17
Posted by wangrain9

Such scenarios are quite common. Bureaucracy, politics and reduced budgets often slow the resolution of these problems. A maintenance program in which each Dell inspiron 1520 battery through regular maintenance every month on a battery analyzer eliminate such a problem. In the meantime, the only thing the agent of that emergency center can do is pray that no disaster occurs.

 

Figure 1: Results of negligence on the batteries. The soldier carries rocks instead of batteries.
Maintenance support of cutting the military arsenal.

 

Another group of users who rely heavily on batteries is the army. Advocacy organizations boast of using equipment of the highest quality and with better performance. When it comes to rechargeable Dell inspiron 1525 battery , however, there are exceptions. The batteries are often beyond the examination of a real inspection militiare and only the external appearance is verified. The requirements in terms of maintenance are often ignored. Little effort is placed on monitoring the health status of the batteries, the number of cycles and age. Eventually Weak batteries are mixed with new and we can no longer count on the overall system. The batteries that soldiers carry can be no more than pebbles. A maintenance program of batteries using battery analyzers can brush the arsenal.

 

Summary

 

Unlike batteries, which individual users personally know their batteries (such as Dell inspiron 5100 battery and compaq presario v2000 battery)as friends, users of Battery Park to share them by ignoring their origin,. While an individual user can detect even a small reduction of operation, park operators have no way of knowing the behavior or condition of a battery when it is removed from a charger. They are to thank you for the battery. It’s almost like Russian roulette.

 

More and more users of a park set up batteries of battery maintenance programs. Such a plan makes the exercise all the batteries at regular intervals, repackages those who fall below the target capacity and clarifies some bad.

 

Usually batteries are sent to maintenance only when they can no longer maintain their office or when they equip the unit is sent for repair. Accordingly, the operation of devices with batteries and is uncertain due to battery failures occur too often. The loss of energy required by the Apple PowerBook G4 battery is as bad as any other system failure.
view more information in:batterytalk.info battery-store.com.au laptopnews.us

What is the best battery to use for a digital cellular phone? (B)

2010 April 17
Posted by wangrain9

In Figure 3, we study the relationship between energy density (ability) and the internal resistance of Li-Ion, NiMH and NiCd compaq presario m2000 battery . To simplify the comparison, all battery packs are 3.6 volts.

 

Regarding the question of longevity, we also included the “best cycle time. It should be noted that periodic discharge cycles are needed for the cycle as provided for NiMH and NiCd Compaq Presario V4000 battery. Successive rounds contributes very little to extend the performance of the Li-ion.

 

Even if overall energy needs of the digital phone is less than an equivalent analog phone, digital phone battery must be capable of delivering high current pulses that are often several times its own charge rate . Now for the rate of battery charge as expressed in loading rate C.

 

A 1 C discharge a Nikon d80 battery charge rate is 500 mAh, is 500 mA. Comparatively, a 2 C discharge the same battery is 1000 mA. A GSN phone powered by a battery which draws 500 mA 1.5 A pulse, for example, charge the battery with a huge dump 3 C.

 

A landfill charge rate is 3 C is adequate for a battery having a very low reading of mO. However, old Li-ion and NiMH Acer aspire 3000 battery are a problem, because reading mO these batteries increases with age and number of cycles.
* The internal wiring, contacts and protection circuits are taken into account. Readings vary depending on the loading elements, the charge status and the number of elements connected in series.
** The discharge is highest during the first 24 hours and decreases thereafter. Self-discharge increases with the age of the Lenovo thinkpad r61i series battery and high temperatures.
*** The length of life cycles is based on depth of discharge. A shallow discharge produced over a deep discharge cycles.
**** The life in cycles is based on the use and maintenance procedures. If we neglect to apply periodic full discharge cycles, the cycle can be reduced by a factor of three.

Figure 3: Characteristics of Li-Ion, NiMH and NiCd in terms of energy density of internal resistance, self-discharge and long life cycles

 

The performance can be improved by using a larger apple a1185 battery , also called extended battery pack. This extended battery pack is a little bigger and a little heavier, but offers a typical loading rate of about 1000 mAh or approximately twice a slim battery.
In terms of a loading rate C, 3 C discharge is reduced to 1.5C when using a battery of 1000 mAh instead of 500 mAh. The disadvantage of a large NiMH or NiCd is an increase of memory if, because of its greater capacity, the battery has not often allowed to discharge completely.

 

Some of the new generation phones are equipped with a DC-DC converter core, which reduces the demand for battery power. With this chip, a 1.5 A pulse can usually be reduced by half by stretching the peak current of the battery over a longer period. However, the downside is a loss of current of 10 to 12%. The higher capacity of the HP Pavilion ZV6000 battery are also tested, but the strong current eruption occurring when the device is switched on, remains a problem. The size of the cell phone can also be a problem when adding a higher capacity battery.
view more information in:buy-stuff.org laptops-parts

How to measure the internal resistance of a battery?

2010 April 16
Posted by wangrain9

There are several techniques for measuring the internal resistance of a Olympus li-12b , each giving slightly different results. One common method is the load test by which the DC current is applied to discharge the battery while measuring the voltage drop. The voltage divided by the current gives the internal resistance.
The CA method, also known under the term conductivity test, measures the electrochemical characteristics of a Nikon d90 battery by applying an alternating current. The corrosion of the battery and other conditions contributing to the loss of capacity, alter the conductivity of the battery meter that can read.
Cadex uses a proprietary method for measuring the pulse of the inspiron 1520 battery internal resistance. Analyzers battery Cadex 7000 Series (Figure 7), we apply a number of pulses of charge and discharge calculating the internal resistance of the battery, according to voltage deviations. Known as the OhmTest, reading mO is obtained in five seconds without discharging the battery. The OhmTest can perform tests on a bulk quantity of batteries, a technique that is useful to vendors of cellular phones to monitor the performance of the battery before selling it. Return on security can also be checked in large part.
However, it is noted that the OhmTest gives no real conclusion about the charge status and health status of the sony vgp-bps5 . The reading can vary greatly and mO is the chemical composition of the battery, the size of the cell (mAh rate), the type of item, the number of elements connected in series, and the kind of son contacts used. It is essential to have good connections to the terminal because a poor contact will give a high reading. Alligator clips and son connection is too long to avoid. A battery must have a load of at least 50% to obtain a reading mOhm significant.
Figure 7:Cadex battery analyzer 7400. The battery analyzers Series 7000 Cadex measure the internal resistance of the battery. MO readings can be made using a 5-second test on the battery or can be included in the maintenance program.
For best results, it is recommended to measure a good sony vgp-bps2cwhose performance is known and use this reading as reference. A reading of mO is required for each battery. The following numbers can be used as reference for digital cellular phones:

* 150 or less per 3.6 V excellent
* 150 to 250 mO by 3.6 V good
* 250 to 350 mO by marginal 3.6V
* 350 to 500 mO by 3.6 V low
* More than 500 mO by 3.6V failure
It should be noted that the battery voltage is mentioned in relation to the reading of milliohms. A cell phone runs on electricity, which means that as the battery voltage, the greater the power requirements are reduced. In theory, a 7.2 volt battery can hold twice the reading mO a battery pack 3.6 volts, because it draws only half the current for the same power.
The OhmTest seems to work better with Li-ion, because the performance degradation is associated with corrosion of the internal element that corresponds to a high internal resistance. The performance of NiMH xps m1730 battery can also be identified in large part, but the NiCd battery does not lend itself well to the test mOhm.
A low reading mO does not necessarily guarantee a high yield of the NiCd battery. Unlike the Li-ion, NiCd a high internal resistance can often be restored using the program of rehabilitation of a battery analyzer series 7000 Cadex, because the problem may be caused by memory. A successful rehabilitation is known to lower the reading mO by a factor of two or three. The complete restoration of the battery regularly.
Summary
Consumer demands have forced manufacturers to equip mobile phones battery to extend the possible duration of the conversation. However, adding more energy to a inspiron 6400 battery pack, other qualities have been neglected, especially its durability.
The family of a NiCd battery provides long service life and as might be expected, a low reading of mO. Unfortunately, this chemical composition is more popular for mobile phones because of its moderate energy density. In addition, negative publicity about the phenomenon of memory and a desire to metal toxicity have prompted customers to make other choices.
The battery is the item most expensive cell phone and the only element that is often lacking during the lifetime of the product. It is therefore prudent that manufacturers rely on the link that requires the most attention, including the battery.
About the author
Isidor Buchmann is the founder and CEO of Cadex Electronics Inc.., Richmond (Vancouver) British Columbia, Canada. Mr. Buchmann has received training in radio communications and has studied the behavior of rechargeable Sony np-bg1 for two decades in practice in everyday applications. Author of numerous articles and several books on battery maintenance technology, Mr. Buchmann is a well known speaker who has written technical reports and has made presentations at seminars and conferences worldwide.
About the company
Cadex Electronics Inc.. is a world leader in the field of design and manufacture of analyzers and battery chargers modern. Its successful products are used to prolong nb-4l battery life in the areas of wireless communications, emergency services, laptop computers, avionics, biochemistry, broadcasting and defense. Cadex products are sold in over 100 countries.
view more information in:buy-stuff.org laptops-parts

The battery analyzers for critical missions (A)

2010 April 16
Posted by wangrain9

The high failure rate for a fleet of compaq presario m2000 battery , excessive costs of replacing and unreliability has caused many agencies or companies to perform maintenance of rechargeable batteries using battery analyzers on a regular basis . Today the battery analyzers play a role in prolonging the life of the batteries and the upkeep of a fleet of batteries.

 

Conventional wisdom says that a new battery still works flawlessly. Yet many users notice a fresh battery does not always satisfy the specifications of the manufacturer. With a battery analyzer Weak batteries can be identified and prepared. If the capacity does not improve the enclosures can be returned to the supplier to be replaced under warranty. Lots entirely new batteries are fired because of their unacceptable performance. If these Compaq Presario V4000 battery were shipped before an initial inspection, the entire system was compromised, resulting in unpredictable performance and a high failure rate in the batteries.

 

In addition to the work of preparation of aspire 3000 battery for use in customers, battery analyzers perform the important task of restoring weak batteries and brushing. Low batteries can hide easily among others. But when the system is tested during an emergency situation, those who can not hold on relentlessly emerge from the crowd. It should be noted that the battery analyzers are more effective in restoring the nickel-based batteries. Lithium batteries lose their capacity mainly because of aging and such performance loss is irreversible.

 

Organizations tend to push the a1185 battery maintenance until a crisis develops. A company of firefighters who used mobile radios experiencing chronic problems of communications, especially during procedures lasting more than two hours. While their radios were working well in reception, firefighters were unable to send anything and they were unaware that their appeals were unsuccessful.

 

The company fire brigade said the acquisition of a Cadex battery analyzer and all underwent a battery maintenance by the methods of exercising and reconditioning. The batteries that could not pass the test of a predetermined target capacity were replaced.

 

Shortly after, firefighters were called to action by asking for a ten o’clock intense radio activity. To their surprise, no mobile radios did not fall down. The success of this operation was flawless attributed to the excellent performance of their Pavilion ZV6000 battery. The next morning, the head of the company of firefighters approached personally manufacturer of the battery analyzer and enthusiastically gave his congratulations for the remarkable performance of their aircraft.

 

The batteries placed in hibernation commonly fail when needed for emergencies. A representative from Cadex was allowed one day to visit the disaster management center to a state in a large city in the United States. In a bunker and fortified underground, there were more than a thousand rows of batteries on chargers. All lights Ready were lit, indicating that the thinkpad r61i series battery were ready to be used in a wink at any time. The officer got up and secure a voice told him “we are ready to confront any state of emergency”.

 

The Cadex representative then asked the officer to give him a chance to plug in d80 battery charger to check his health. Within seconds, the battery analyzer detected a fault condition. So to catch the agent gave him another one row of magazines but this one also failed the test. It was the same for others.
view more information in:buy-stuff.org laptops-parts

Sharp produce solar cells with STMicroelectronics joint venture

2010 April 7
Posted by wangrain9

According to reports, STMicroelectronics, Sharp and Enel Group, a subsidiary of Enel Green Power announced that it would form a joint venture in Italy to produce thin-film solar Dell latitude d600 battery .

 

Sharp plans to extend the clean energy business, and reduce production costs. Sharp and the Italian utility company Enel in 2008 announced its intention to produce thin-film solar Dell inspiron 1721 battery with European manufacturers , but it did not specify which company.

 

Sharp said in a statement, in addition to bank loans, the joint venture of the three investors will investe to the solar Dell inspiron e1505 battery project of up to 70 million euros. Three investors will each hold one-third of the joint venture interests.

 

The joint venture plans to begin early in 2011 STMicroelectronics plant in Sicily, solar Dell latitude d510 battery, an initial annual capacity is 160 megawatts, and then gradually increase to 480 MW.Sharp and Enel Green Power will set up another joint venture, using the above joint venture to produce solar panels to generate electricity. Sharp said that before the end of 2016, its joint venture with Enel Green Power’s total capacity will exceed 500 MW power plant.

South Korea’s LG enter into the solar cell area

2010 April 7
Posted by wangrain9

South Korea’s LG started to produce solar Dell inspiron 6400 battery in January 2010. It is understood that, LG’s solar-cell factory in the first year,is based in Seoul, near the turtle tail, will mainly produce crystalline silicon solar cells, and output up to 520,000 battery components, a total of 12 million kilowatts of capacity, it is equivalent to 4000 electricity required for the average family household. The second branch is expected in 2011.

 

Although the capacity of solar energy equipment is over, South Korea famous home appliance companies still want a slice in the market. In fact, LG, when in July of this year, there was a launch of an allegedly the world’s most energy-efficient thin-film solar Dell inspiron 1520 battery (solar energy conversion rate of 11.1%).In addition, solar panels and LCD TV market outlook is very similar. This is the main reason why South Korean electronics giant – LG Electronics and Samsung have decided to extend its business for solar cell.

 

In recent years, Korean solar panels in the domestic market share has continued to rise. Statistics showed that South Korea’s output of solar Dell vostro 1400 batteryin 2008 reached 274,000 kilowatts, it almost six times than the previous year.

 

LG and Samsung increasly emphasis on green R & D and sales of electrical appliances, the two companies has introduced its own product under the banner of water-saving, energy-saving,Samsung is even crazily sad that emissed carbon dioxide by 50% on the basis of regular HP Pavilion ZV6000 battery sales to 2013 through improving processes and promote their products

Tips to maximize battery run-time

2010 April 3
Posted by wangrain9
Netbook users are much more than PC users, so for them the power consumption of the equipment and the stamina of the Batteries so important. If an outlet is close by and you work too long or surfing, it can quickly become too dark for a short duration on the screen. How can something this time herauszögern further, the magazine colleagues tested the laptop and have come to interesting results. The extent to which Reviews are feasible even for one depends on the tolerance but from opposite reading comfort and system performance. The tests were unfortunately not with a Netbook, but with a Toshiba Satellite M505 with Intel Core performed i3, whose normal inspiron 1520 batterylife of 3 hours and 11 minutes was.

The processor offers little potential for power saving

The inspiron 6400 battery consumption of the processor can not further reduce the test that. In the menu Settings -> CPU can minimize the performance, but takes a slower processing speed – in the test than 25 percent – and is still buying in even less power than three minutes duration.
Were tested three more opportunities for power from latitude d820 battery saving, which were much more successful in the execution. The best known version is probably the trick with the screen lighting. This can be from 40 percent in energy saving mode to reduce to 0 percent, or off entirely. Still, the ads are still readable. With the light trick the testers gained in using the M505 eleven minutes longer useful life.

Less light brings the most

Even more efficient in terms of Pavilion ZV6000 battery makes to the OS Windows 7 disabling the graphical effects. Switching off the enhanced graphics Aero Glass – but the Starter Edition to most netbooks anyway does not exist – and the display mode from Aero Peek, one can work 19 minutes longer. However, with disabling drop off some attractive features and the surface looks more like Windows XP than in Windows.
Most of time the mobile work could win with the last trick. By a simple trick can reduce the light pixels displayed on the screen. Personalized the representation so that the contrast reversed and therefore as many areas are displayed in black instead of white. Thus, the latitude d600 batterycould survive in the test 25 minutes longer. Here, too, must respond to compromises, because reading white text on black background is at least used to. The conversion is done by right-clicking on the desktop. It is then necessary to change the design to Windows Classic, only then will the opportunity to select Contrast Black. Here, the features of Aero Glass and Aero Peek go right with flutes and the design is, of course, kind words, very old school.

Sorry, no addition of the effects

All add up the savings along the way, not time gains, but would also even at 19 minutes. Most efficient is to focus on the contrast setting. On the tips of the laptop magazine out there are still other ways too familiar. That is about how to disable WLAN, Bluetooth and UMTSIf this is not needed. Even USB drives and memory cards should be deducted, if not just access it needs. Unnecessary services and processes in the background can also be turned off. And it saves the most electricity from vostro 1400 battery in the rest, if instead of 15 minutes surfing the Internet procrastination time reading a newspaper or something just looks out the window.

Acer Aspire One 532 netbook with a longer duration

2010 April 3
Posted by wangrain9

The Taiwanese hardware manufacturer Acer announced the launch of two new netbook models, such as the tech-blog mobicroco reported. The Acer Aspire One 532 is equipped with a new technique that the Accumulator hold up to one fifth of the recent Betriebsszeit longer can. The platform combines Pinetrail this memory and graphics controller, which produces not only a longer inspiron e1505 batterylife, but as another side effect of a 15 – percent improvement the processor system performance results. Thus, this model is ideal for long trips or other forms of electricity dry spells.

The other dimensions also speak to a travel companion. A 10.1-inchDisplay can either be ordered in HD or matt. The netbook is only 2.5 centimeters thick and weighs a kilo. and its inspiron 6000 battery is also very thin . Wireless internet is available for connection and the internal memory capacity of 2 GB holds ready. This model is priced in the moderate range with 299 euros for the standard version with the matte display and 349 euros if it is to be an HD display.

 

4 GB internal storage

 

About the price of the Acer Aspire Time Line x 1830T is yet known, he is expected to be announced until the last week of March. This netbook features even on a good battery performance with up to eight hours,like the latitude d510 battery,but it remains below the Aspire 532nd Unbeatable however, is the storage capability. The internal RAM memory of 2 GB can be doubled and thus allows, movies or other media files on the move to have handy. For those who like the netbook more surfing To use, the device offers WLAN in b / g / n, Gigabit Lan and three USB ports, as well as other Bluetooth 2.1 connectivity. At the request and probably with extra charge, it is also available in a 3G module.

 

How to get a new netbook: Step by Step

 

Teltarif has a Checklist created, read in is what matters at the Netbook and what to consider when buying.certaily its inspiron 6400 battery is very important The desired model is found out that simply in the Netbook database by teltarif.de.

The waste battery

2010 March 29
Posted by wangrain9

There are some points to introduce waste battery ,like the xps m1730 battery recycling problems and suggestions,as follow:

 

  1. After thebattery recycling,if the battery can not be disposed, generally they have adopted stack.the xps m1330 battery may leak or toxic substances from proliferating in Piling up the process .in process of piling up the battery , waste battery, may leak caused a chemical or physical reactions,and led to the proliferation of toxic substances, lastly caused environmental pollution.
  2. As the batteries are different types of products and recycling counterfeit xps m1530 batteryare more,and it also brought difficulties to us to recycle. some of them are mercury batteries, either it contains cadmium, and some with ammonium chloride as the electrolyte, while others have Zeyi chloride zinc as the electrolyte, it is proposed to use a uniform standard manufacturers logo battery types and contains the main ingredients for recycling.
     
  3. To strengthen the development of high-performance environment-friendly Dell vostro 1400 battery ,it can achieve common civilian mercury-free
    batteries.it can be considerably reduced the environmental pollution from the battery.
  4. recycling of waste batteries, national policies should be given support. Such recovery of the ASUS Battery of measures are guaranteed from the government fundamentally .

 

The article via: laptopinfo

 

Related articles: laptop-batteries

How to extend battery life

2010 March 29
Posted by wangrain9

Let me introduce to you how to  extend battery life :

1. If you do not use your     inspiron 6400 battery  a longtime, please remove your battery, charge them to 60% ~ 70% of the electricity and proper preservation.

2. If the surrounding environment and lighting are available, please try to dim the LCD display to a brightness degree you feel comfortable.

3. remove or turn off the unused components,when you  use  the compaq   presario v2000 battery .

4. The hard disk of the notebook is one of the most power-hungry hardware. If reduce the  search time of document, no doubt the sony   vgp-bps2c usage time will be considerably longer. We can install something like Norton Utilities (Norton Utility) or SmartDrive tools such as cache

5. In order to save power and   extend battery life, such as Acer Battery.invites the Counter-installed, turn off or remove the background of some useless software. For example, anti-drug programs, MP3 players, etc.

6. I suggest that you have to turn up power management to save power(it can also protect your TravelMate   2440 battery ). To set the power management under Windows XP, go to Start / Control Panel / Power Management power within the configuration page, and adjusted to or switch off monitors according to their usage  , hard disk time, or use the sleep mode to save  power usage.

7. Some laptops provide a standby / hibernation function, when you closed  their notebooks ,they would  switch off monitors, hard drives and processors, but it still left a little bit of power to preserve the data,mealwhile it is good for your Acer   aspire 3000 battery .

The article via: laptopinfo

Related  articles: laptop-batteries