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Dell recalls 4 million batteries
Dell and the U.S. Consumer Product Safety Commission plan to recall 4.1 million notebook batteries on Tuesday, a representative of the company confirmed Monday.
The recall affects certain Inspiron, Latitude and Precision mobile workstations and XPS units shipped between April 2004 and July May 18, 2006. Sony manufactured the batteries that were recalled, the representative said. Click here to see photos of recalled batteries.
If they have one affected units, consumers are advised to eject the battery from the laptop after calving and continue to use the laptop with its AC adapter , the CPSC said. Dell has so far received six reports of overheating units that have caused material damage but no injuries.
Dell has faced several issues this year related to the explosion or burning notebooks, and wants to ensure the safety of its customers, the representative said. The 4.1 million units is a subset of the 22 million units shipped during this period, he said. Dell said he does not expect the cost of the recall have a material impact on its results. Society announces earnings for the previous quarter this Thursday.
For now, it looks like the largest battery recall in the history of the industry electronics, "said Roger Kay, an analyst at Endpoint Technologies Associates. "The scale of it is phenomenal."
Sony will help defray the costs associated with the recall of 4.1 million batteries the company supplied to Dell, said Rick Clancy, a spokesman for Sony.
"We are supporting Dell's recall," said Clancy. "There will be financial assistance and we are sharing engineering data and research do it again. "He refused to specify exactly how much assistance Sony would provide.
Customers will be able to go to a website Dell and the Consumer Product Safety Commission site to determine if they need a new battery . Dell also plans to launch a toll-free number, 1-866-342-0011, for people affected by the situation, IDC analyst Richard Shim said.
"It's a huge deal," Shim said, particularly for Dell customers with employees in remote locations or displacement. "If you have people all over the field, then you are asking people to send in the batteries and run off just AC (alternating current) to that they can get new batteries shipped to them. "
Dell had only six incidents over millions of units, Shim said, but it is "a dangerous situation."
What is causing the problem?
Lithium batteries ion are two to three times the energy density of nickel-cadmium and nickel metal hydride and four times the energy density of lead-acid batteries. Translates into a higher energy density in battery life longer. lithium-ion batteries are used in consumer electronics portable, requiring only limited amount of energy. Hybrid cars and power tools, however, generally use more traditional batteries, in part because of the risk of explosion.
The problems Dell is having stem from impurities in the anode and cathode of the battery, said Kay, who was briefed on the problems by Dell executives. Over time, impurities, usually small pieces of metal can find its way to the edge of the anode or cathode and rupture the isolator that sits between the two, "he said. Once that happens, you get a short circuit and possibly a fire.
In cell phones, lithium-ion batteries can overheat because of a short circuit. If the temperature rises slowly, the battery case may melt. If it rises rapidly, however, enough pressure can be generated to create a small explosion in a lithium-ion batteries. Consumers have suffered severe burns as a result of these failures. The chemical reaction that produces energy in a lithium-ion battery is considered quite violent.
Several companies, including Valence Technology and PowerGenix, are working on batteries Lithium-ion batteries safer or that rely on different chemicals.
"The timing of this is the goodwill buy Dell with customers and potential customers, "said Sam Bhavnani, an analyst at Current Analysis. The first pictures of exploding laptops were posted in June, and company moved quickly enough to determine whether or not the problems were isolated or more widespread, he said.
It is possible that other PC vendors are using the href = "http://www.ebattery.com.au"> Sony batteries in their products, Kay said. Dell executives told Kay that the company was one of the first to start using this type of battery, and they think other problems arise in the future for other PC companies.
But even if two companies use the same batteries, they do not necessarily design the technology that connects the battery to the laptop the same way, Kay said. For example, Lenovo notebooks use software that is designed to close the battery if it finds a problem and they charge the batteries more slowly than others in the industry, a company representative said. A Dell representative was unable to comment on the specifc technology it uses to join its batteries.
cells of Sony lithium-ion batteries can be found in batteries used by other manufacturers, but at the moment and Sony manufacturers have not seen the same level of problems that have affected Dell laptops with Sony technology, "said Clancy. "We are in close communication with our customers and, where appropriate, we will work with them and the CPSC, if necessary, "he said.
A representative Lenovo said the company has not seen an unusual pattern of problems with its laptop batteries, although no firm PC is immune to battery issues from time to time. Lynn Fox, a spokeswoman for Apple Computer, said: "We are studying now if the batteries have been supplied to Apple for our range of current and previous phones meet our high standards for safety battery and performance. "Representatives of Hewlett-Packard and Gateway were not immediately available for comment.
About the Author
Disclaimer:This is from: news.cnet.com
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