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2011年5月17日星期二

Reduced to basics energy is a measure of the amount of electricity a battery

While lithium-ion battery packs are smaller and lighter than their lead-acid counterparts, both types of batteries are ridiculously heavy substitutes for a fuel tank. The sad part is that whispers from hippos have convinced dreamers of all ages that energy is more valuable than power and diverted attention from the harsh truth that no current battery technology is cheap enough or light enough to make electric drive competitive with internal combustion.
Reduced to basics energy is a measure of the amount of electricity a battery can store while power is a measure of how quickly the battery can deliver its stored electricity. While energy applications typically cycle a Dell inspiron 1720 Battery once or twice a day, power applications usually cycle a battery dozens of times a day. Once you accept the idea that each charge-discharge cycle has a determinable value, it's easy to see why the payback from power applications usually exceeds the payback from energy applications by a wide margin.
Hippos in pink tutus want us to believe a new age of electric drive is just around the corner. But at last December's United Nations Climate Change Conference in Cancun, Secretary of Energy Steven Chu offered an entirely different and uncharacteristically blunt assessment:
And what would it take to be competitive? It will take a battery, first that can last for 15 years of deep discharges. You need about five as a minimum, but really six- or seven-times higher storage capacity and you need to bring the price down by about a factor of three. And then all of a sudden you have a comparably performing car; let's say a mid-sized car which has a comparable acceleration and a comparable range.
In the simplest of terms, electric drive can't be competitive with internal combustion until somebody invents and commercializes an entirely new class of battery. In the meantime, the market will remain profoundly confused by snake oil suggestions that the cleantech revolution will mirror the progress that information and communications technology made over the last four decades. It's just not going to happen!
The miracle of the iPad isn't the result of better batteries(dell latitude d620 battery, Dell latitude e6400 battery). It's better electronics that do more work, but only use a small fraction of the energy the legacy technologies required. The eco-clerics and hopium pushers in our midst do not like these truths, but they're truths nonetheless.
In November of 2008 I created list of 13 pure play storage companies and promised to track their performance over time. Since then I've added five companies to the list (names in italics) and broken it down into peer groups to facilitate comparisons. My basic thesis was that investors who want market-beating performance should invest in companies that make objectively cheap energy storage products and avoid hippos in pink tutus. Since today is the 201st article in this series, it seems like a good time to take a look at how my thesis has held up over the last 2-1/2 years.
The price performance of the companies in my tracking list is summarized below. Prices have been adjusted for reverse splits where appropriate. The starting price for A123 Systems is its September 2009 IPO price. The starting price for New Energy Systems is the first reported closing price after its July 2009 reverse merger. Since trading in China Ritar Power is currently suspended, I've reported that stock as a total loss even though I believe such an outcome is unlikely.
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Overall my tracking categories have performed about the way I expected they would.
The Chinese companies have suffered immense damage from widely disseminated rumors of flakey accounting and reporting practices that are based on conjecture advanced by short-sellers. While I would like to believe the Chinese companies can't all be as bad as the innuendo suggests, I don't have the time or the inclination to do the kind of detailed on-the-ground investigations I'd need before jumping into the middle of a dogfight. Therefore I'll be watching that drama from the sidelines.
My only bad pick was C&D Technologies, which reported an unexpected intangible asset impairment dell inspiron 6400 battery mitac bp-8050 battery late last year and was forced into a restructuring that converted most of its debt to equity. Based on its recent earnings report it looks like C&D is well on the road to recovery and should outperform its peer group on a go-forward basis.
While Axion Power has been quite volatile and took a beating in 2010, I believe its poor performance was due primarily to supply and demand dynamics. In November 2008, Axion was an unknown company that traded by appointment. In late 2009 it closed on a huge private placement that more than doubled the number of outstanding shares. As the private placement purchasers sold their shares into the market, the price fell. For the twelve-month periods ended April 30, 2009, 2010 and 2011, the reported trading volumes were 3.5 million, 8.2 million and 50.3 million shares, respectively. In my experience, no public company can withstand that kind of selling pressure and volume ramp without at least a little suffering along the way.

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2011年5月5日星期四

Why We should Buy iPhone 4 Now?

As summer nears, the talk surrounding the iPhone 5 is picking up. As with previous years, there is rampant speculation that Apple will be launching the latest iteration of its wildly popular smartphone in June or July. In previous years, the company has announced the new iPhone at the Worldwide Developers Conference and then launched it over the summer.
Considering all the rumors surrounding the possible launch of the iPhone 5, many consumers and even some enterprise customers are likely on the fence about whether they should opt for the iPhone 4 now or wait to see what Apple releases the iPhone 5 later this year. It’s an understandable concern and it’s something that no one can answer definitively until Apple finally makes its move.
iPhone 5But for those who don’t want to wait, there are several good reasons to opt for the iPhone 4 now, rather than hold off for the iPhone 5.
Read on to find out more about why customers looking for a new smartphone should go with an iPhone 4 as soon Toshiba pa3534u-1brs Battery,Toshiba pa3533u-1brs Battery as possible.
1. The iPhone 5 launch date is unknown
As of this writing, the latest reports on the iPhone 5 say that the device won’t launch this summer. Exactly why the smartphone might not be coming out in June or July is unknown at this point, but given those reports, consumers shouldn’t wait. If the iPhone 5 is delayed, and folks know they want an iPhone, putting it off for another month or two doesn’t make all that much sense.
2. The white iPhone is here
After a long (long) wait, Apple has finally released the white iPhone on both AT&T’s and Verizon’s networks in the United States. According to reviews, the device performs exceptionally well, and offers the same level of usability as the black version. if the white iPhone suits a consumer’s eye, it’s best to opt for the device now, rather than wait to see if Apple offers up a white iPhone 5. It’s better to go with something that looks nice no rather than gamble on something that might not hold up.
3. There’s no waiting for Verizon
Over the past several years, the decision by some consumers to put off buying an iPhone and go with another device because the iPhone was only running on AT&T’s network was understandable. But now that both the black and white versions sony vgp-bps8a battery of the iPhone 4 are running on Verizon’s network, worrying about carrier availability is no longer an issue. If a consumer needs a smartphone now Apple has many (but not all) of their bases covered when it comes to availability.
4. Android and BlackBerry alternatives aren’t as great
If one looks around the marketplace right now, they won’t necessarily find so many worthwhile alternatives to the iPhone 4. Motorola, HTC, and Samsung are offering nice options and RIM’s BlackBerry is great for enterprise users. But when it comesIbm thinkpad t60 Battery to the combination of design, specifications, and software, it’s hard to find a better smartphone right now than the iPhone 4. Other devices might have a bigger display or a faster processor, but when all the many factors that go into a buying decision are considered, Apple’s smartphone still leads the pack.
News Analysis: Persistent rumors indicate that Apple’s iPhone 5 won’t be released the summer, unlike previous versions of Apple’s smartphone. That’s all the more reason to jump on the iPhone 4 now.
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2011年4月18日星期一

Wii 2 Rumors - It is Doubt that Be More Powerful Than Ever

Wii 2 Rumors - It is Doubt that Be More Powerful Than Ever bybestlaptopbattery.co.uk

The rumor mill just won't let up. Recently, we talked about the price cut that was going to implemented on The Wii. The timing made some pretty observant parties note that it's convenient a few weeks before the E3 2011 show, fueling speculation that Nintendo might be planning to announce the successor to the highly-successful gaming console.
If you haven't keeping tabs on these rumors, then here they are for you:

  • Game Informer
  • says: The Wii 2 will be capable of running games in high definition. The new console is also going to be revealed at the E3 this June.
"We have confirmed with multiple sources that this new home system is capable Compaq 484170-001 batteries,Compaq nc6400 battery of running games at HD resolutions. There are conflicting reports, however, as to whether its graphics will be comparable to those on the Xbox 360 and PlayStation 3 – meaning it could surpass or fall short of those systems."
  • CVG
  • disagrees: The Wii 2 won't be released this year but in late2012.
"We're told Nintendo plans to launch the Wii successor in late 2012, which lines up with earlier reports from other games media."
  • CVG
  • adds: The Wii 2 will feature an all-new controller with an HD-capable screen.
"What's most exciting about the Wii successor however is its all-new controller, which industry sources have indicated is not simply an upgraded Wii Remote, and will even feature a built-in HD screen."
  • 01net
  • disagrees: The Wii 2 controller will have a screen, but it ain't going to be in HD.
Contrary to information reported by Computerandvideogames , our sources say that the tablet screen is not high definition, but in standard definition, below the 720p.toshiba pa3399u-2brs laptop battery
  • CVG
  • also says: The Wii 2 will be more powerful than both the Xbox 360 and PlayStation 3.
  • For the last word, we have Game Informer: Nintendo is already showing the new console to third-party developers to get them excited about the new console.
"In fact, Nintendo is already showing publishers the system in an effort to get them interested and allow them plenty of time to start developing titles in anticipation of the system's reported late 2012 launch. This advance support marks a change from when the Wii launched."
The Wii 2 is also said to be backward compatible with games for the original Wii aside from being able to run Wii 2-specific games.
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