Battery Talk

Tips for maximizing apple battery charge

You can take some easy steps to prolong the charge of your Apple Macbook battery portable’s .

Here are some simple settings and steps you can take to get the most out of your MacBook, MacBook Pro 13 inch battery , MacBook Air, iBook G4 or PowerBook G4 battery.

Optimize your battery settings in Energy Saver preferences

1. From the Apple menu, choose System Preferences.
2. From the View menu, choose Energy Saver.
3. Click Show Details.
4. Choose Battery or Battery Power from the “Settings for” pop-up menu.
5. Choose Longest or Better Battery Life from the Optimize Energy Settings pop-up menu.

These settings will put the hard disk to sleep whenever possible and reduce the computer’s microprocessor performance in order to maximize its Apple A1175 battery life. If you are using processor-intensive applications, you may wish to change these settings so the microprocessor performance is no longer reduced.

Set your screen brightness to the lowest comfortable level

Press the F1 (dimmer) and F2 (brighter) keys to dim the screen until the brightness is as low as possible and the screen is still comfortable to look at.

Turn off unused features and technologies.

Just as you would turn off the lights in an unoccupied room, turning off unused features and technologies can help maximize your Apple A1185 battery life, too. Here are a few suggestions:

• Eject CDs and DVDs you’re no longer using. Every so often, the optical drive spins up to read CDs or DVDs. This consumes a small amount of power.
• Disconnect peripherals when you’re not using them. Connected peripherals, such as printers and digital cameras, can draw power from your Apple iBook G4 12 inch Battery even when you’re not using them.
• Shut down any runaway applications

If you’re not in a location where you need to use AirPort or Bluetooth, you can turn them off to save A1008 A1012 power.

To turn off AirPort:

1. From the Apple menu, choose System Preferences.
2. From the View menu, choose Network.
3. From the Show selection, choose Network Port Configuration.
4. Uncheck Airport from the list.
5. Click Apply Now.

To turn off Bluetooth in Mac OS X 10.2 or later in Apple A1057 A1060 :

1. From the Apple menu, choose System Preferences.
2. From the View menu, choose Bluetooth.
3. Click the Settings tab.
4. Click Turn Bluetooth Off.

Japan developed a silicon cells

Recently, Japanese scientists have invented a new type of solar cell, the use of durable silicon as the main material than conventional solar cells 22% higher charge storage capability, you can live the ability to provide more long-lasting addition, this new type of solar cells such as hp battery and f4809a, which can also be in a vacuum environment play a role in the thin air of the mountains can be engaged in operations.

General Motors to promote automotive fuel cell technology

Recently, GM’s 500 fuel cell experts “out of the” laboratory, formally joined the company’s engineering core team, which means that in the promotion of new energy pavilion zv5000 battery technology products automotive applications, General Motors began to take a substantive step.

It is reported that 500 fuel cell experts, there are 400 more will be attached to General Motors Powertrain sector, began to gradually improve the fuel cell system production process, the ultimate goal would be to achieve mass production of fuel cells; another 100 will be joined General Motors global product R & D department, the main task is to make fuel cell technology in the company’s future automotive products to be fully applied. At the same time, GM will retain a size more than 150 teams, to continue hydrogen storage, fuel cell and other forward-looking pavilion zd8000 battery technology research and development.

According to another report, the recent General Motors and the United States is also Michigan Compact Power Inc. and Frankfurt, Germany, the European Propulsion Systems, signed the cooperation agreement, the three parties will jointly promote the development of lithium-ion battery technology and improvement. It is reported that the two companies in fuel cell technology R & D has a strength, this time, and General Motors powerful combination will enable mass production of lithium-ion batteries much sooner.

In response to the global energy crisis and global warming issues, General Motors has been committed to new automotive energy technologies and clean energy technology research and development. In April this year, the Shanghai International Auto Show, General Motors promised the public display of the second generation of E-Flex propulsion system, electric drive Chevrolet Volt concept car, the concept car of the E-Flex platform, equipped with General Motors on the most an advanced fifth-generation fuel cell system technology, this session of the auto show crowd became the focus of attention.

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Wireless carriers and retailers have been promising a wide array of low-priced gadgets beyond smartphones that will hit the market soon, taking advantage of faster wireless networks without Dell Inspiron 1526 Battery.

The list of devices ranges from dedicated e-readers to advanced GPS units. There will also be more mobile routers, similar to the pocket-size MiFi mobile device from Novatel Wireless Inc., which can connect up to five Wi-Fi enabled devices to a wireless CDMA 1x EV-Do Rev A network from Dell Inspiron 1720 Battery

Following Adam’s lead, I purchased a battery for my Cradlepoint CTR500 router, which I use to share out an EVDO wireless connection from my Merlin EX720 card (on Sprint). Previously, I used the setup in my car, using power from my cigarette lighter and Dell Latitude D830 Battery.

I don’t have a good bag for the setup yet, but I should now be able to have mobile WiFi for 8 hours at a time. This suddenly makes my old Netgear Skype phone useful, and I’ve been carrying it around with me for the first time ever to Latitude D620 Battery.

UPDATE, 9 Feb 2009: My friend’s Linksys router’s battery AC adapter crapped out, so I plugged in the battery (they both want 5V). Very useful thing to have in one’s bag!

The news Via http://echeng.com/journal/2009/02/05/mobile-wireless-with-battery-powered-cradlepoint-router/

Laptop batteries differ from other types of batteries in that they provide a relatively short service life and are expensive to replace. In this article we look at the reasons why these batteries do not last and examine the high replacement cost. We also look into the possibilities of repairing them.

Most of today’s laptop computers are powered with Lithium-ion batteries.(thinkpad t61 battery,thinkpad t40 battery)

Under good conditions, Lithium?ion provides 300 to 500 discharge/charge cycles or 2 to 3 years of service from the time the thinkpad t40 battery leaves the production line. The capacity loss occurs through increased internal resistance caused by cell oxidation. Eventually the resistance reaches a point where the battery can no longer deliver the needed energy although the energy may still be present in the battery. There are no remedies to restore the capacity when worn out. Heating the battery will momentarily improve the performance.

Figure 1: illustrates the recoverable capacity at various storage temperatures and charge levels over one year. Nickel-based chemistries, a chemistry that is also used in laptops, is illustrated on the right column. The capacity loss progresses on a quasi linear scale for the second and third year.

During use, the battery compartment in many laptops rises to about 45°C (113°F). The combination of high charge level and elevated ambient temperature presents an unfavorable condition for the battery. This explains the rather short lifespan of lenovo batteries.

The thinkpad T42 battery is ’smart’, meaning that some form of communications occurs between the battery and user. The definition of ’smart’ varies among manufacturers and regulatory authorities. Some manufacturers call their batteries ’smart’ by simply adding a chip that sets the charger to the correct charge algorithm. The Smart Battery System (SBS) forum states that a ’smart’ battery must provide state-of-charge (SoC) indications.

There are two common architectures of ’smart’ batteries. They consist of the single wire system found on high-end radio communications devices and video camera equipment, and the two-wire system, typically used on laptops. The two-wire system is usually configured as System Management Bus. Because of its common use in laptops, we will focus on the system. Figure 2 shows the layout.

Figure 2: Two-wire system.

The is based on a two-wire system using a standardized communications protocol. This system lends itself to standardized state-of-charge and state-of-health measurements.

The battery has five or more thinkpad t61 battery connections consisting of the positive and negative battery terminals, thermistor, clock and data. The connections are commonly not marked and attempting to test this type of battery appears complicated. Figure 3 describes the functions of a battery with 6 connections.

Figure 3: Connections of a typical laptop battery. The positive and negative terminals are usually placed on the outside; no norm exists on the arrangements of the contacts.

The positive and negative battery terminals are commonly located at the outer edges of the connector. The inner contacts accommodate the clock and data. (On a one-wire system, clock and date is combined.) For safety reasons, a separate thermistor wire is brought to the outside. This allows temperature protection if the digital communication is disabled.

Some batteries are equipped with a solid-state switch that is normally in the off position. In such as case, no voltage is present. Connecting the switch control terminal to ground will turn the thinkpad X60 battery on. If this does not work, a proprietary code may be needed to activate the battery.

Once the connection to the battery terminals is established, charging should be possible. If the charge current stops after 30 seconds, a digital code may be required. Some battery manufacturers go as far as to add a defined end-of-life switch. If a preset age, cycle count or capacity is surpassed, the battery stops functioning. When asking why such codes are added, the manufacturers explain that enduring safety can only be guaranteed if the battery is tamper-free and well performing. This makes common sense but the leading motive may be pricing. In the absence of competition, replacement batteries can be sold at a premium price. Newer batteries(Lenovo N100 battery,lenovo N200 battery) are generally more service friendly than older ones.

It is recommended to utilize the thermistor during charge and discharge to protect the battery against over heating. The thermistor can be measured with the Ohmmeter. The most common thermistors are the 10 Kilo Ohm NTC type, which read 10kOhm at 20°C (68°F). NTC stands for negative temperature coefficient, meaning that the resister decreases with rising temperature. A positive temperature coefficient (PCT) will increase the resistance. Warming the battery with your hand may be sufficient to detect a change in resistor value.

Figure 4: The Cadex SM2+ charger This level-3 charger serves as charger, conditioner and quality control system. The charger reads the battery’s state-of-health and flags those that fall below the set target capacity. Each bay operates independently and charges Nickel-cadmium, Nickel-metal-hydride and Lithium?ion chemistries in approximately three hours. ‘Dumb’ batteries can also be charged but no SoH information is available.

For full battery service, a battery analyzer is recommended. The lenovo thinkpad t61 battery is a programmable battery analyzer capable of rapid testing, charging, priming and reconditioning a large variety of batteries. The battery packs connects by custom SnapLock battery adapters, programmable cables or the Cadex FlexArm adapter. The analyzer does not check the .

Figure 5: lenovo battery analyzer

The programmable lenovo services lithium, nickel and lead-based batteries. SnapLock battery adapters simplify the interface with different battery types. A quick test program measures battery state-of-health in 3 minutes, independent of charge. Nickel-based batteries are automatically restored if the capacity falls below the user-defined target capacity.

Summary

Laptop batteries can be repaired but such work only makes economical sense for smaller operators. The success rate varies with battery type. One must remember that the ’smart’ battery consists of two parts, the chemical cells and the digital circuit. In some cases, the chemical part can be fully restored but the fuel gauge may become inaccurate or other data may get corrupted.

Anyone attempting to repair battery must be aware of some non-compliance in the SBS forum. Unlike other tightly regulated standards, the protocol allows some variations. This may cause problems with existing chargers and the thinkpad T40 battery should be checked for compatibility before use. The need to test and approve the marriage between a specific battery and charger is unfortunate, given the fact that the battery is being promoted as being universal. Ironically, by adding more features to the charger and the battery, the higher are the likelihood of incompatibilities.

Epoxy circuit board industry will peak in the shuffle(D)

Environmental protection is the most important, China’s epoxy resin industry association experts said that at present China has become the world’s largest epoxy printed circuit board (PCB)-producing countries. In mainland China in 2006, the circuit board production VGP-BPS9 S reached 13 trillion square meters, according to the average weight of 30 tons per million square meters is estimated that the total weight of 39 million tons. The CCL processed into the circuit board substrate material utilization rate of about 90%, or printed circuit board substrate manufacturing enterprises annual consumption of approximately 144.4 million square meters, the resulting corner of approximately 14.4 million square meters of waste, in accordance with an average million square meters of the VGP-AC19V13 weight of 25 tons is estimated that there are 36,000 tons of waste corner; In addition, the substrate waste edge manufacturing enterprises is about 7% of the finished product can be projected out of CCL scrap materials generated 2.5 million tons; finished printing circuit boards in the machine factory utilization rate of about 95%, can calculate the machine plant scrap materials generated 2.0 million tons. The three combined 8.1 million tons.

In addition, China imported in large quantities of waste every year of electrical and electronic VGP-BPS9 B products in mainland China scrapped dismantling of scrap circuit boards, and its total up to 40 million tons. If they are known as the world’s largest e-waste dismantling bases in Guiyu, recycling of electronic waste per year or more in the megaton range, while the circuit board in the proportion of e-waste, about 15%, only Guiyu 1, the annual waste generated by the circuit board on up to 15 million tons. Shows the need to dispose of waste per year printed circuit board at 50 million tons. PCB Enterprises in China, such as by 1000, the average days spent etching solution containing copper produced 2500 cubic meters to 3,000 cubic meters per cubic 140kg ~ 150kg of copper content, the daily will be able to recover metals from the waste 450 tonnes of copper a year to recover 135,000 tons of copper, equivalent to more than 10 million tons of annual production capacity Tongchang annual production. Shanghai copper exchange of copper according to 35,000 yuan / ton, alone there are 4.7 billion annually renewable output of copper, can increase the revenue for the state nearly 800 million yuan. Thus, China’s electronic circuit industry, “three wastes” thoroughly governance is critical. The use of discarded circuit boards, not only to solve environmental NP-20 problems, is also to be developed in a “gold mine.”

As the central authorities for sustainable development and cleaner production concepts into, epoxy printed circuit industries and enterprises attached to environmental protection and investment in the tremendous progress for all to see. Especially in these years of investment in new plant construction, PCB and comprehensive implementation of the environmental protection facilities and factory facilities, production processes simultaneously planned design, simultaneous construction, synchronous inspection, synchronous operation of the principle of promoting environmental protection facilities, construction companies have invested more money and more concerned about the environment of advanced technology applications. Our association issued a “green production cycle of the implementation of industry, economic initiative,” and draw up an international trade association first established by the association, “Printed Circuit Board manufacturing industry clean production standards.” Was officially approved as the national association of 2 – CPCA environmental clean branch in the new year will be better to help enterprises vgp bps2c and VGP-BPS8 governments to push China’s PCB, CCL’s “three wastes” treatment level of a comprehensive upgrade to the world-class.

Epoxy circuit board industry will peak in the shuffle(C)

In addition, the construction of Nam Hing Group’s PCB sony vgp bps9 factory in Zhuhai, in three phases, a 20 million yuan, production and 2 ~ 8-layer PCB; Pou Chen Group, expansion of production base in East China to increase the HDI, IC Carrier New; Ricoh Group’s investment in Shenzhen 16.8 million U.S. dollars, the construction of 50000 m2 of the “Ricoh Industrial Park”; Unimicron in 2006 in Suzhou, Kunshan New Plant, capacity of 28000 m2 of the HDI and multilayer; Jing Peng Suzhou plant expansion, from a monthly 15000 m2 to 25000 m2-3.5 Wan m2; Kingboard invest 120 million U.S. dollars in Jiangyin, covering 320 acres, built Lingang New City Yangtze Petrochemical Industrial Park, including an annual output of 10,000 tons tetrabromobisphenol A, 2.5 Wan tons of resin and 11 million tons CCL, completion of annual sales of up to 20 billion; invest 613 million U.S. dollars in South Asia to expand the PCB in the Kunshan production of raw materials, the company will glass yarn and glass cloth to expand production capacity 40,000 tons, respectively, and 9 million m2 ; refined into circuit science and technology Sony VGP-BPS2A investment in 2000 in Anhui Qimen extreme 3, the first phase of production for the single-sided 30000 m2, double-sided 30000 m2, annual production value of up to 15 million yuan. Flextronics ready to set up in China for its computers, game consoles and other products supporting large-scale PCB plants;-dimensional hearing prepared to create a flexible board production aircraft carrier; benefits Asia are adjusting, expansion … … Foxconn invest in Yantai, a one billion U.S. dollars covers an area of 1.2 square kilometers, built PCB R & D, manufacturing and supporting an integrated industrial park.

2005 ~ 2008, overseas investment in China PCB, CCL and materials, equipment, more and more Sony VGP-BPS8 enterprises, the amount increases, the industry chain longer and longer, extending to the PCB at both ends, in which HDI, FPC, and IC set plate, as well as the biggest growth in CCL. China’s enterprises, including joint-stock, state-owned enterprises, especially small and medium private enterprises also have a number of them to expand and upgrade products, but investment, size, grade and so far can not be compared with foreign enterprises.

Faced with this situation far more than the joy of concern. While in accordance with the principle of territorial-based, all enterprises in mainland China are Chinese companies, but local ratio of less than 1 / 3. This indicates that, in China in recent years, electronic circuit industry to Sony vgp bps2c continue rapid development; also indicates that, regardless of PCB, CCL will be more fierce competition, and even cruel; This also indicates that in China, will be experienced in the electronic circuit industry to re-shuffle . Group, however hard, lack of features, quality is not high, but relies on low-cost sales, the lack of strategic vision of the small and medium enterprises will be faced with “survival or extinction” choice. China Epoxy Resin Industry Association, experts say China’s electronic circuits need to be bigger and better and stronger. This must be done and the nationalization of two-wheeled variety can be achieved simultaneously, but one of the key – is the basis for the prosperity of national VGP-BPS10 enterprises.

Macbook Pro and powerbook G4 battery life

As regular readers will know, I own two notebooks, an original 1GHz 17″ Powerbook and a top of the Sony Vaio Z1. As we all know, the 1GHz 17″ Powerbook is based around a G4.

The PowerBook G4 battery  gets about 2-3 hours of battery life out of my typical use. That’s with the screen turned down to an acceptable level, now DVD drive use and most of the other power saving features switched on. I’ve had better than before now, but only when I’ve gone really offline and only the machine for writing or browsing content, rather than my more usual process of browsing the Internet (which implies wireless connectivity, and more power) and recompiling lots of code.

That’s why I specified the battery time in terms of my, so as not to confuse those readers who will chime in with comments that all timings are wrong…

The Sony Z1 is based around the Centrino set and the Pentium-M mobile CPU, both these components are predecessors to the components built into the new MacBook Pro. This has far more complex power saving systems, such as the ability to switch off (rather than simply not use) the DVD drive, and even to power off the PC Cards, built-in memory stick reader and of course reduce the CPU MHz and power requirements to a very low level.

With the standard HP laptop Battery on the Sony I get about the same period of battery powered usage as the Powerbook. It can be as high as 4 hours, but in the majority of cases a more realistic figure is about 3 hours of my more typical use.

I can slap in a larger A1008 A1012  battery (exactly twice the size and capacity) and that I can get about 6.5 hours mobile use. It does however ruin the look of the laptop, and raise the back by about 3/4 of an inch.

Now just to summarize:
Powerbook G4, 17″battery, standard battery: 2-3 hours
Sony Vaio Z1, standard battery: 2-3 hours

To get 2-3 hours (and more) out of a Powerbook is quite an achievement when you think about the Z1, which is Centrino/Pentium-M based and has a heap of power saving technology. Both are using the battery that came with the machine.

Standard laptop battery, standard machines, more or less equal battery life.

Just in case the point I’m making still isn’t clear, using the Vaio, a notebook using the previous version of ‘low power’ technology that is in the new MacBooks I get the SAME battery life as my G4.

What could I expect out of the new MacBook Pro?

I’d expect about the same as I get from the Vaio, perhaps a modest 10-15% increase based on the newer technology, but that has to be tempered by a combination of other factors, like the fact that this is a first generation item from Apple, and that we’re using newer Dual-Core CPU.

For some reason however we have a bunch of Apple commentators (I refuse to call them fans, since they seem to be doing nothing more than slagging Apple off at the moment) who seem to think that the new PowerBooks should have 5, 6 or 7 hour battery life.

Why?

Hell knows – existing PC laptops get – as my Vaio experience demonstrates, about 2-3, 4 hours tops.

Why would an Apple-built, Intel based laptop somehow defy the laws of physics, common sense and exceed the capabilities of PC laptops that have been made by manufacturers using the technology for years before Apple got to it, somehow exceed by a factor 75% or more the inspiron 6400 battery life of existing Intel based laptops?

There’s a finite amount of power you can squeeze into a battery, and there’s a limit to how much you can reduce the power requirements of a laptop.

From a first generation – and more importantly, at the moment, pre-production Apple Intel notebook I think a time of 4 hours is pretty good. That actually equals, or beats, my Vaio my Dell Latitude D620 Battery Dell Latitude D820 Battery.

While I’d love to see Apple produce a laptop that has a longer battery life, we need to be realistic. It’s going to take Apple a while to get the best out of the hardware, and even if they do improve the battery life, they wont be the first to do so – other PC notebook manufacturers will probably get there first. Apple were one of the first 10 companies to announce a dualcore Yonah laptop battery manufacturer??, so we’re already at the bleeding edge.

Meanwhile, give Apple a break – they enough on their plate right now without people criticising them for matching or beating the battery life of their old laptops and their current competitors.

The article from : http://theappleblog.com/2006/01/15/macbook-pro-battery-life/

The new TV chip is expected to make free mobile TV era(A)

Industry experts, the current mobile TV applications are divided into two routes such as latitude d600 battery. One is based on the wireless network, mobile TV, the TV signal can be compressed into a video stream after the transfer to your phone decompress watch, which is streaming mode, the key is to rely entirely on the wireless network bandwidth and level; while the other one is based on analog TV and digital TV standard for mobile broadcasting, in fact, is equivalent to a TV has nothing to do with the mobile networks, and mobile phone features like FM radio is loaded, you can receive analog TV signals free of charge, free to watch television programs.

The use of streaming HP dv2000 battery media technology such as mobile TV for on-demand business, but the flaw is very obvious, we must first high-quality wireless network support, their input of equipment and the upgrading of amazing slow. For ordinary consumers, the use of television in this way is bound to give the mobile phone operator to pay, but a long time to watch the cost will be high.

Recently, a new mobile TV chip has attracted industry attention. The reason is very simple, embedded in this “core” of the mobile phone, regardless of the number opened in the absence TV, or in the future after opening, can easily watch TV, and they are all free of charge. The most valuable is that this “core” completely solve the vgp-bps2 , pavilion zd7000 battery support time is short, handset size too big problem.

Ever wondered how some people manage to take beautiful pictures of their desktops or games and post it on the Facebook or LinkedIn profile? Well, it isn’t that hard actually, and with a few handy tools in mind, you’ll be able to do the same. Here are some nifty and interesting ways to capture screenshots of your desktop with A1060, Apple A1061.

1. How to screen capture in free-form

Snipping Tool is Window’s very own answer to the legions of Microsoft fans (and critics) who have long been demanding for a way to capture custom screenshots. There are a few options for you to choose from when you make a snip: you can make a rectangular screenshot, dictate the shape and area of your capture by using the free-form snip with GD761 Dell U4873, or just capture a regular full-screen one. One drawback is that Snipping Tool is only available on Windows Vista and 7, so XP users might feel a little left behind.

2. How to get a portable screencapture tool

FSCapture, otherwise known as FastStone Capture, is one of the most versatile screenshot capture tools on the block. At 1.5 Megabytes, it’s small enough to fit on even the smallest of portable flash drives for HSTNN-LB31, PB992A, PB993A. Plus, it comes as a standalone program, or an executable, so you can use it straight out of the box, without having to go through the hassle of installing it first. Take note that FSCapture is only freeware from versions 5.3 and below, as the producers have started charging for the higher updates. However, I’ve been using version 5.2 for awhile now, and it seems to be good enough.

3. How to capture multiple screenshots in-game without having to minimize

Ever saw pictures of other players performing Monster Kills posted online, and wanted to do the same? Tired of having to hit the PrtScn button and minimizing your full screen game just to paste the photo in Paint? If you’ve answered yes to any of that, Gadwin Printscreen is a freeware version of Snipping Tool that will cause you to salivate over. It’s pretty much like Snipping Tool, but if you run it in the background as HP PB994A, PB995A,, you can customize it to take multiple screenshots while you are in-game, and worry about saving the screenshots later. Just remember turn off the notifications before you start playing.

4. How to capture screenshots, screencasts, and webcam photos and store them all online

Jing has to be one of the gaudiest looking screenshot capture programs available. Unlike its many counterparts, Jing tries to make things look awesome at the same time by providing a really nice-looking interface. And while you can use Jing only for its screen capture abilities, you may enjoy the other functions which Jing provides to Sony PCGA-BP2V, PCGA-BP71, PCGA-BP71A, namely the screencasting and webcam capture options. In addition, Jing automatically synchronizes with Screencast.com, so you can store your captures online immediately.

5. How to Screencapture effectively in Linux

Shutter is a feature-rich screenshot program. You can take a screenshot of a specific area, window, your whole screen, or even of a website – apply different effects to it, draw on it to highlight points, and then upload to an image hosting site, all within one window (Only for Linux).

Via http://www.friedbeef.com/5-awesome-ways-to-capture-screenshots/