Archive for October, 2009

Battery4.us: Great battery online shop in US

October 15th, 2009

Battery4.us: Great battery online shop in US

Last Friday, my dell 1520 battery died after used for 1 year (just 15days after its dell quality warranty). So I do not think I should pay 150$ for a New dell original 1 year warranty battery. I phoned to dell customer service that if they can recall the battery and repair the battery for me, but they say it will cost me 60-70 $. Oh I think it is worse than buying a new battery. But the 150$ is too expensive.

So I tried to search Dell 1520 battery replacement US in Google, and then I found a online shop specially for US www.battery4.us, I easily search the dell 1520 battery there, and after view its policy and shipping site, I found that it is a international battery factory and battery online shop, It also has its partner in German UK and CA. It owned a battery factory in Hongkong and produce the battery pack for many Electronic Company.

Then I sent a email to its customer service about the shipping time price and discount. They replied me after 5 minutes and reduce my battery shipping fee as the light battery weight and they use usps to ship the packpage. So I order the New Dell 1520 battery (1 year warranty and 30 days money back) just $68.71 and I received it 7days later, the new battery pack can last 3 hours. In all it is a satisfactory shopping in www.batetry4.us .

The online shop is a battery supermarket for la ptop battery, camera battery and battery grip. And they store most popular laptop battery as Acer, Apple, Dell, Compaq, HP, IBM, Sony Toshiba and so on. Their battery factory supply the all the newest laptop battery, camera battery and battery Grip, then let me list the popular battery model and codes for you, then you can find the suitable battery there.

Apple Laptop Battery
IBOOK G4 battery IBOOK G4 12-inch battery IBOOK G4 14-inch battery MacBook Pro battery MacBook Pro 13 battery MacBook Pro 15 battery MacBook Pro 17 battery PowerBook G4 battery PowerBook G4 12 battery PowerBook G4 17 battery PowerBook G4 15 battery PowerBook G4 15 battery

Dell Laptop battery :
Inspiron 1300 battery Inspiron 1420 battery Inspiron 1501 battery Inspiron 1520 battery inspiron 1525 battery Inspiron 6000 battery Inspiron 630m battery Inspiron 6400 battery Inspiron 9200 battery Inspiron 9300 battery Inspiron 9400 battery Inspiron E1505 battery Inspiron E1705 battery Inspiron Mini 9 (8.9 series) Latitude D410 battery Latitude D420 battery Latitude D430 battery Latitude D500 battery Latitude D510 battery Latitude D520 battery Latitude D600 battery Latitude D610 battery Latitude D620 battery Latitude D630 battery Latitude D800 battery Latitude D810 battery Latitude D820 battery Latitude D830 battery XPS M1210 battery XPS M1330 battery XPS M1530 battery XPS M1730 battery

HP & Compaq battery
HP 510 battery HP 530 battery Mini 1000 battery 2133 Mini-Note PC battery OmniBook XE3 battery Pavilion DV4 battery Pavilion DV5t battery Pavilion DV6 battery Pavilion DV1000 battery Pavilion DV2000 battery Pavilion DV4000 battery Pavilion DV6000 battery Pavilion DV8000 battery Pavilion DV9000 battery Pavilion ZV5000 battery Pavilion ZV6000 battery EVO N400C battery EVO N800 battery Presario 1200 battery Presario CQ45 battery Presario M2000 battery Presario R3000 battery Presario V2000 battery Presario V3000 battery

IBM & Lenovo
Thinkpad A20 battery Thinkpad R32 battery Thinkpad R40 battery Thinkpad R50 battery ThinkPad R60 battery ThinkPad R60e battery Thinkpad T20 battery Thinkpad T30 battery Thinkpad T40 battery Thinkpad T42 battery ThinkPad T60 battery ThinkPad T60p battery ThinkPad X60 battery ThinkPad X60 battery ThinkPad X60s battery ThinkPad Z60t battery Thinkpad R61 battery Thinkpad R61e battery Thinkpad T61 battery ThinkPad T61p battery ThinkPad X61 battery ThinkPad X61 Tablet ThinkPad X61s battery

Sony Laptop battery
Sony PCGA-BP1N Sony PCGA-BP2E Sony PCGA-BP2EA Sony PCGA-BP2S Sony PCGA-BP2V Sony PCGA-BP4V Sony PCGA-BP51 Sony PCGA-BP71 Sony PCGA-BP71A Sony VGP-BPL2 Sony VGP-BPS2 Sony VGP-BPS3 Sony VGP-BPS4 Sony VGP-BPS5 Sony VGP-BPS5A Sony VGP-BPS9 Vaio PCG-Z505 battery Vaio VGN-FS battery Vaio VGN-FT battery Vaio VGN-SZ battery

Toshiba Laptop battery
Toshiba PA2487UR Toshiba PA3107U-1BRS Toshiba PA3191U-1BRS Toshiba PA3383U-1BRS Toshiba PA3284U-1BRS Toshiba PA3285U-1BAS Toshiba PA3331U-1BRS Toshiba PA3356U-1BRS Toshiba PA3383U-1BRS Toshiba PA3384U-1BAS Toshiba PA3395U-1BRS Toshiba PA3399U-1BRS Toshiba PA3400U-1BRS Toshiba PA3420U-1BRS Toshiba PA3450U-1BRS Toshiba PA3451U-1BRS Toshiba PA3465U-1BRS

Also they supply the newest DSLR Camera battery as (Canon Casio fujifilm Kodak olympus Panasonic and sony) and batetry Grip for US. They Also has Price avow, I copy it from its site : Price : Battery4.us will honor our advertised prices is the cheapest. If there is a price differential, please check the following:
Low-quality items are usually cheaper than retail so please ve
rify the product type
Open Box items are always cheaper than new products If, after confirming that the Battery.us price does not match the cheapest price, please contact us for assistance.

Hopes that help you.

Battery connection: Series connection Parallel connection

October 15th, 2009

Battery connection: Series connection Parallel connection

The following diagram shows these two kinds of structure: the Sony laptop battery in parallel and series

The above four IBM laptop battery in parallel, if each cell generates 1.5 volts, four in parallel voltage is 1.5V, but the current offer is four times higher than for a single cell. The following four Laptop battery are in series, so the connections will produce 6V voltage, can provide the same current and a single battery. When you buy a battery, the package will show the battery’s rated voltage and rated current.

For example the old digital camera to use four nickel-cadmium Toshiba laptop battery, each battery cell rated voltage of 1.25 V, rated current of 500 milliamperes milliamperes rated power that the battery inside, that is, to provide the total number of electrons. You can be rated milliamperes divided into many different forms, a 500 mAh battery can be generated in 100 hours 5mA current, generated in 50 hours, 10mA current, generated in 20 hours, 25mA current, or ( in theory) generated in 1 hour to 500 mA current, even in the 1A current is generated within 30 minutes.

But the battery did not have such a high linearity. First, all batteries have a rated maximum current – a 500 mAh Apple laptop battery can not be generated in 1 seconds, 30,000 mA current, because the battery’s chemical reactions can not be in such a short period of time took place, and at a higher the current intensity, the battery will generate a lot of heat, thus the loss of some energy. In addition, very low current intensity, many chemical Latitude D600 battery life may be higher than the expected life of long or short. However, in normal use within the rated mAh can be a degree of linear division.

The use of rated mA, we can roughly estimate the load cell at a given time under the continuous supply of power. If the four 1.25-volt, 500 mAh Latitude D620 battery in series together, then the final voltage of 5 volts (1.25×4), current of 500 milliamperes; if these four batteries in parallel together, then the final voltage of will be 1.25 volts, current is 2,000 (500×4) mAh. Have you seen the 9V battery’s internal structure? 9V Battery 9V battery is actually the internal structure of a six end to end composition of the 1.5V small Sony VGP-BPS9.

Battery Type for different use

October 15th, 2009

Battery Type for different use

Most traditional battery for electronic maintain a direction of movement to produce current, the laptop battery can be under the influence of the applied voltage is reflected in reverse occurs. Such as lead-acid batteries at the appropriate voltage to the battery charging, the two plates will be re-generated lead and lead dioxide. The secondary school had a lot of electrolytic hydrogen is generated during the reaction, hydrogen is difficult to return the electrolyte. Modern batteries use a variety of chemical substances to provide energy for the reaction.

A typical Dell laptop battery include: zinc-carbon batteries – (also known as the standard carbon batteries) all inexpensive AA-, C-and D-type zinc-carbon batteries are the use of chemicals. Electrode for zinc and carbon, using acidic paste between two poles liquid as the electrolyte. Alkaline batteries – used in common Duracell (duracell) and Energizer (Energizer) Digital Camera battery, the electrode for zinc and manganese dioxide, and use the alkaline electrolyte. Camera Lithium Battery – cameras use lithium batteries, lithium-iodide and lead iodide,

Because they can provide surge protection. Lead-acid batteries – used in cars, for lead and lead dioxide electrodes, and the use of strong acid electrolyte (rechargeable). Nickel-cadmium batteries – nickel hydroxide electrode and cadmium, and use potassium hydroxide as the electrolyte (rechargeable). Nickel-metal hydride batteries – these batteries will soon replace nickel-cadmium batteries, because the former there is no memory effect, while the latter exists (rechargeable).

Lithium-ion 40Y6797 Dell KD476 batteries – due to its excellent power-weight ratio, so that such batteries commonly used in high-end notebook computers and cell phones (rechargeable). Zinc-air batteries – these batteries, light weight, and can be charged. Zinc-mercury batteries – these batteries commonly used in hearing aids. Zinc-silver battery – due to have a good power-weight ratio, so that such batteries are used in aerospace equipment. Metal chloride batteries – these batteries are used in electric vehicles.

The use of VGP-BPS2C battery-powered devices because of the need for voltage and current are different, we can not only use a single cell, usually the Aspire One battery battery cell in series together to form higher voltages, or to parallel together to form a higher current.

Dell Details for laptop Battery Recall

October 10th, 2009

Dell announced a recall today of dell laptop battery sold in many of our notebook computers over the past two years. You may have seen the recent New York Times story or have seen other details in the blogosphere. As the leader of the mobile business for Dell, I wanted to share my thoughts on this recall.

Lithium-ion is a proven technology which has been widely used in our industry for over ten years. These batteries are not just for notebook computers – they are found in many electronic products including cell phones and music players. For more information on lithium-ion safety, you can visit the Portable Rechargeable Battery Association.GD761 U4873

I don’t mind telling you this recall follows an extensive investigation, but the decision to err on the side of safety was never in doubt. My team and I come to work in Austin and around the world every day so we can put great products in the hands of our customers. There were very few incidents to go on here, and it would have been easy to justify them as anomalies. However, we’re not willing to do that, because in everything that we do, it is absolutely about safety first,so there are many latpop battery replacements bring out,such as inspiron E1705 battery ,xps m1330 battery ,inspiron E1505 battery ,inspiron B120 battery .

This is a voluntary recall of approximately 4.1 million batteries, making it one of the largest in Dell’s history. Many of you are thinking that this action is a direct result of the notebook fire at a business meeting in Osaka, Japan back in June, as well as a couple of other incidents that have been posted on the Internet.

The fact is, we are looking at safety data every single day, and this did not start when we heard about the incident in Osaka. Our technical support agents are trained to look out for anything that comes up on a call that might be indicative of a safety matter, no matter how small. When we hear about these things, we work with the customer to get them a new replacement system right away, so they can get back up and running. We then work with the customer to get the affected system back to Dell (we call this a “capture”) so we can take a good, hard look at it. Dell has a global safety organization with engineers and experts at our centers around the world. In most of these cases, we are able to determine that the cause of the customer complaint is not a hazard for other customers. Nevertheless, we learn a lot from our customers’ experience and we use this information in the future development of our products,latitude d600 battery ,latitude d500 battery. That’s one reason it’s great having a direct relationship with our customers.

In very rare instances, a real safety hazard does present itself. In these cases, the customer captured systems are sent through a detailed forensic analysis, kind of like what you would see on “CSI.” Dell has extensive lab capability for these investigations and a lot of the work is done right here. We also work with third-party labs to complete and verify this analysis, because we value independent outside opinions. In any case, our safety engineers are involved every step of the way.

Analyzing the data is the tricky part—that’s what brought us to where we are today. We’re lucky that in being direct we have access not only to real-time customer data, but also can correlate that information with data from our component supply partners such as Sony, who is the manufacturer of the latitude d830 battery cells in this particular case. We look at product performance data all the time, but we give it extra scrutiny when there is a problem that might impact our customers and their well being. In this case, there was not much to go on, especially considering how few incidents there were in relation to how many notebooks Dell sells as the largest notebook brand worldwide. Since we engage directly with our customers and build every system to each customer’s unique order, we know what product we have shipped to whom. We are now focused on communicating to those notebook customers impacted by this recall and making the replacement process as simple as possible. Some might say we are being conservative and even overreacting in taking this broad action, but even one more incident is too many.

On behalf of Dell, I’d like to apologize to all affected customers. Above all else, your safety is important to us. We also understand that the work that you do on your notebook is invaluable to you, and we’re committed to getting replacement batteries shipped out to you as quickly as we can.

To determine if your laptop battery is part of this recall, you can go here. This website will be live shortly after midnight Central Time. This site is now live. You’ll find answers to FAQs and new information as it is available here on Direct2Dell.

Carbon nanotubes bring a new dawn for solar cells

October 9th, 2009

 

Carbon nanotubes bring a new dawn for solar cells

U.S. scientists have used carbon nanotubes to produce new type of solar cells to absorb the same amount of photons can produce more light under the current, its efficiency will be superior to the current PV Laptop battery cells. They prove that carbon nanotubes made of light emitting diode (photodiode) absorbs a photon can generate multiple electron-hole pairs (electron-holepair), unlike the conventional LED can only produce one group. Cornell University NathanGabor involved in the study, said the technology, if applied to large-size solar cell conversion efficiency is bound to break away from restrictions.

  The current PV Latitude D610 battery cells absorb a photon of each produce at most a group of electron-hole pairs, however, Cornell University research team led by PaulMcEuen using single-walled carbon nanotubes made of photovoltaic Latitude D620 battery cells, breaking this restriction. This device consists of approximately 3 ~ 4μm, ranging from 1.5 ~ 3.6nm diameter carbon control into the carbon tubes are placed on an insulating substrate between the electrodes, the electrode bias is applied, the electrodes of the carbon nanotubes to form a pn junction light emitting diode.

  The researchers irradiated by laser light emitting diode, while the carbon tube is applied to reverse bias Acer Aspire One battery , and to monitor the photocurrent. The results at temperatures lower than 90K and the reverse bias current is applied and when the child was observed more heavy generation. As this bias increases, the current was step-like increase Aspire 3000 battery. If the sub-raising incident light energy, the current ladder will be widened.

  Usually a photon can only be an electronic excitation up a sub-band, Cornell Panel finds that the generation of multiple electron-hole pairs is due to photons to provide carbon nanotube electronics a lot more energ of XPS m140 BATTERY, making a second or more of the electronic energy band is also diode can move and inspire other electronics, and when the second band of the carrier to obtain enough energy to stimulate additional electronic time, the resulting change in current occurs ladder.

    Gabor pointed out that the second energy band implies the presence of threshold used up almost all of the above-mentioned process of the remaining photon energy, coupled with the Pavilion DV1000 battery energy of the electric field, along with a single electron is used to convert multi-electron, which for the achievement of high performance solar cells The ultimate goal is important, because the latter is almost 100 percent in the pursuit of the light used to stimulate electron-hole pairs.

keep your laptop’s battery or batteries at their best

October 6th, 2009

The NewerTech Intelligent Battery Charging Station is the solution you’ve been waiting for!

Load two batteries(gd761,kd476) and when first battery is done charging, the unit “intelligently” begins charging the second battery. Plus, not only does this product charge your batteries quickly and correctly, but the deep conditioning feature can both extend the life of your battery, as well as bring back additional life to a inspiron e1705 battery that’s started to show its age.

You’re probably asking yourself why you need to condition your batteries. Aren’t the Li-Ion batteries immune to the “memory effects” that plagued the old style NiMh batteries? Yes, they are – to a point! It is always best to exercise the battery cells to get the longest life and most runtime possible. And instead of the hassle of charging and draining, charging and draining, charging and draining, this charger makes conditioning a simple, painless task!

With such maintenance, you’ll be sure to get the longest runtimes over the longest lifetime possible. Whether for your stock Apple powerbook g4 battery, or for one of our industry leading NuPower batteries, the NewerTech Intelligent Battery Charging Station will help you to get the most from your battery by being an extremely convenient way to keep them charged and ready to go.

Silicon battery

October 4th, 2009

Silicon battery

“Silicon” is stored on our planet, one of the most abundance of material. Since the 19th century, scientists have found a crystalline silicon semiconductor properties, it would change everything, even human thought, 20th century. Can be seen everywhere in our lives, “silicon” figure and role of crystalline silicon solar Dell laptop battery cells to form the past 15 years, the industrialization of the fastest. The production process can be divided into five steps: a, purification process b, the process of pulling rod c, slicing the process of d, the laptop battery system, the process of e, the packaging process.

Category

Components of solar photovoltaic panels is exposed to the sun will generate direct current power generation installations, from the almost entirely in the semiconductor materials (such as silicon) made of thin solid body composed of photovoltaic Acer Aspire One battery cells. In the absence of moving parts, so you can operate a long time without causing any wear and tear. Simple photovoltaic cells for watches and computers to provide energy, photovoltaic systems can be more complex for housing lighting, and power battery grid.

Components photovoltaic panels can be made of different shapes, while the component can also connect to generate more power Latitude D620 battery. In recent years, roof and building surfaces will use photovoltaic panels components, or even used as windows, skylights or shelter part of the installation of these photovoltaic installations are usually referred to as ancillary to buildings photovoltaic systems.

Modern solar thermal solar thermal technology will light aggregation, and use its Inspiron 640m battery energy produces hot water, steam and electricity. In addition to the application of appropriate technology to collect solar energy, the building can make use of the sun’s light and heat energy, is in the design by adding the appropriate equipment, such as the giant south-facing windows or use of the sun to absorb and slowly release heat of building materials .