On the individual cells of a flooded lead acid battery 

July 15 [Mon], 2013, 17:54
Stationary batteries are almost exclusively lead acid and some maintenance is required, one of which is equalizing charge. Applyincheap Inspiron 1720 g an equalizing charge every six months or after 20 cycles brings all cells to similar levels by increasing the voltage to 2.50V/cell, or 10 percent higher than the recommended charge voltage.

An equalizing charge is nothing more than forced overcharge. It removes sulfation that may have formed during low-charge conditions. Battery manufacturers recommend first measuring sulfation. One method is to apply a saturated charge and then to compare the specific gravity readings (SG) on the individual cells of a flooded lead acid battery. Only apply equalization if the SG difference between the cells is 0.030. During equalizing charge, check the changes in the SG reading every hour and disconnect the charge when the gravity no longer rises.

This is the time when no further improvement is possible, and a continued charge would cause damage. The battery must be kept cool and under close observation for unusual heat rise and excessive venting. Some cheap XPS 14 venting is normal and the hydrogen emitted is highly flammable. The battery room must have good ventilation.

Equalizing VRLA and other sealed batteries involves guesswork. Good judgment plays a pivotal role when estimating the frequency and duration of the service. Some manufacturers recommend monthly equalizations for 2 to 16 hours. Most VRLAs vent at 34kPa (5psi), and repeated venting leads to the depletion of the electrolyte that can lead to a dry-out condition.

The actual conversion of chemical energy into electrochemical energy  

May 27 [Mon], 2013, 11:34
What is involved when a battery is manufactured? What materials are needed to manufacture a battery? What are battery cell grades? What do battery grades mean? How do the different grades affect the quality of a Vostro 1400 Original? How can you know what battery grade you have? And is any one grade more important then another?

To understand battery cell grades we have to understand how batteries are manufactured. Battery manufacturing involves the collection of raw material, the development and setting of design specifications, and the assembly of an individual battery pack. On a very high level that is ultimately what is involved when a battery is made. Furtherore battery manufacturers utilize manufacturing principles, much like manufacturers of other products, to get the batteries made efficiently and effectively.

When it comes to the collection of raw materials manufacturers have to collect very specific material to be used in the assembly of battery packs. This material includes the following:

The casing - for enclosing and hermetically sealing a battery body – is manufactured in one, two, or three layers that include for example polyethylene terephthalate layers, a polymer layer, and a polypropylene layer.

The chemistry which is often times lithium based for its high electrochemical potential. An example could be a {Solution of Lithium hexaflourophosphate (LiPF6) - a mixture of Organic Solvents: [Ethylene Carbonate (EC) + DiEthyl Carbonate (DMC) + DiEthyl Carbonate (DEC) + Ethyl Acetate (EA)]}.

The electrolyte - The actual conversion of chemical energy into electrochemical energy can only be done if an electron flow passes between two electrodes, an anode (the negative end) and a cathode (the positive end). The battery’s electrical current (electron flow) runs from one electrode to another through a conductive chemical called an electrolyte solution.

The battery’s specialized hardware that includes: the connector, the fuse, the charge and discharge FETs, the cell pack, the sense KM742 Originalresistor (RSENSE), the primary and secondary protection ICs, the fuel-gauge IC, the thermistor, the pc board, the EEPROM or firmware for the fuel-gauge IC..

Now part of the manufacturing process is the categorization of battery cells. Categorizing battery cells are done in grades (Grade A, Grade B, and Grade C). In part 2 of this article series I will explain what the different grades mean and how manufacturers use the different grades and what the grades mean to you and your battery.

Demand depends primarily on the level of activity in the automotive 

May 27 [Mon], 2013, 11:34
The US battery manufacturing industry includes about 125 companies with combined annual revenue of about $11 billion. Major companies targeting the consumer sector include Energizer Holdings, Procter & Gamble (Duracell), and Spectrum Brands (Rayovac); EnerSys, Exide Technologies, and the battery division of Inspiron-1320 Original Johnson Controls are among the leaders in the automotive and industrial sector. The industry is highly concentrated: the eight largest companies account for about 80 percent of revenue.

COMPETITIVE LANDSCAPE

Demand depends primarily on the level of activity in the automotive and electronic sectors of the economy. Personal income drives new battery purchases in consumer goods, and consumer usage levels drive demand for replacement batteries. Large companies have economies of scale in purchasing. Smaller producers compete by focusing on specialized products and customer service. The industry is capital-intensive: average annual revenue per worker is about $445,000.

PRODUCTS, OPERATIONS & TECHNOLOGY

Major product categories are storage batteries (55 percent) and primary batteries (45 percent). Storage batteries (also called secondary batteries) are rechargeable; primary batteries are discarded after the initial stored energy is consumed. Examples of storage batteries are automotive and laptop computer Vostro 1710 Original. Primary batteries include standard dry cell batteries (AA, AAA, C, D, and 9-volt) used in flashlights, radios, remote controls, and a variety of specialty applications, such as hearing aids and implantable medical devices.

Raw materials include heavy metals such as lead, nickel, and zinc. These materials are bought new or from battery recycling centers ...

Tomkins agreed that this may be an issue  

April 08 [Mon], 2013, 14:31
Lithium ion batteries have led to fires and even explosions in Sony laptops and Apple iPhones -- high tech gizmos with incredibly tiny layouts that pack batteries into the barest millimeters of metal, often leading to heatrn873 HSTNN-OB80 build up. But the chemistry is sound, Tomkins said.

“They’ve been around for a long time. And the fundamental thing of the battery is okay,” he told FoxNews.com.

Lithium ion batteries have higher voltages and therefore more power than other metals, leading to their popularity in many industrial applications, explained Hans Weber, president and owner of TECOP International Ltd, a San Diego-based aviation consulting firm and former adviser to the FAA.

“It can discharge its energy at a much higher rate. So if you need a real power spike, to start an engine maybe, the lithium ion battery does that very well,” Weber told FoxNews.com.

“Everyone is going to lithium batteries because of the huge advantage,” he added. “The Fisker has it. The new CityCar that will be introduced alter this year has it. The Tesla S has them. Everyone.”

The NTSB has not yet released its findings, but there are other possibilities. The battery itself may not be flawed, for example -- this might just be a bad batch, Weber said.
“You might remember there was a problem with fires in the Volt battery pack? At first that was blamed on GM, that they had not properly designed the enclosure. It turned out that it wasn’t the enclosure, it was a bad battery batch.”

Tomkins agreed that this may be an issue -- but he thinks otherwise.
“It could be a difference in the design of a batch, but I doubt it. It’s a possibility though,” he told FoxNews.com.

Whether it’s one batch or the entire fleet, Boeing faces a financial boondoggle, and the batteries themselves are the least of its worries. Mark Rosenker, a former NTSB chairman, told Reuters that Boeing conducted over 1.3 million hours of testing before deciding the lithium-ion batteries were safe to use on the 787, and the company had to satisfy additional rigorous tests to be granted "special condition" by the FAA to use the batteries.

If Boeing were forced to replace the rn873 580029-001 in the Dreamliner, that rigorous testing would be a fresh problem.

“The redesign is much smaller than the extensive testing that would go on, that would be time consuming. We’d be talking about months. Many months.”

This collaboration allows UPG to market new  

February 26 [Tue], 2013, 10:34
The newest generation of Powersports batteries for Motorcycles, ATVs, Snowmobiles and Utility Vehicles are now available at Powerstride Rechargeable Inspiron 1750 battery! And hang on to your socks! These babies rock!

For the Pure PERFORMANCE enthusiast who counts every ounce of weight on their ride, UPG introduces their new Adventure Power PHANTOM Lithium-Iron Powersports batteries manufactured by the industry-leader in the technology Shorai.

Universal Power Group press releases announced recently, “We are pleased to announce the growth of UPG’s Adventure Power series of motorcycle and powersports batteries and our alliance with Shorai, which creates an exciting opportunity to expand the breadth of our offerings … This collaboration allows UPG to market new and innovative products to our customers, meeting their unique demands for lightweight and high-performance solutions. Working with Shorai also fits well with our Rechargeable W953G long-term strategy of engaging with partners that have complementary technologies and strengths that we can leverage in our core markets.”

Powerstride Battery has been a long-time partner with UPG and the excitement and buzz these batteries has generated around the office is almost as deafening!
What’s so amazing about Lithium-Iron Technolgy?

Determined by the battery’s reserve capacity rating  

February 26 [Tue], 2013, 10:30
Always use extreme caution when charging a battery. All lead acid batteries contain sulfuric acid which can cause severe burns and can generate explosive gases. Even a

maintenance free battery has vents to relieve the internal gases that build up inside the battery. Even though they look like sealed units, acid can still escape should the battery be tipped over or even over charged. The following Rechargeable rn873 RM791tips from the Battery Council International (BCI) can be used as a general guide.

Always charge a battery in a well ventilated area. Do not smoke or have an open flame near your charging area. Remember, all batteries produce hydrogen gases that can explode.
Wear protective clothing, goggles and gloves when connecting a battery for charge.

Remove the vent cap just slightly. Some of the vent caps now on the market today, require no removal of the cap.


Cover the vent cap area with a wet cloth to prevent sparks from igniting escaping gases.

On a low maintenance battery, check the water level in each cell. The water level should be just covering the top of the plates (about a 1/4″ above the plates). If not, use distilled water to cover the plates. Never use tap water because minerals in the water will harm the plates. Always use water, never add battery acid (electrolyte) to cover the

plates.

Be sure to read and understand the instructions of your battery charger before you operate it. Should your charger be a multi-voltage Rechargeable Vostro 1310 battery charger, be sure to have it at the proper
settings before operation.

When connecting your charger leads to your battery, be sure the charger is off, the leads are connected to the proper terminals, and the settings on the charger are set to the proper rating. The charging rate for a specific battery is determined by the battery’s reserve capacity rating (RC).

Refurbishing batteries saves money and protects the environment 

December 25 [Tue], 2012, 16:51
Li-ion batteries contain a protection circuit that shields the battery against abuse. This important safeguard has the disadvantage of turning the Brand new KM742off if over-discharged, and storing a discharged battery for any length of time can do this. The self-discharge during storage gradually lowers the voltage of a battery that is already discharged; the protection circuit will eventually cut off between 2.20 and 2.90V/cell.

Some battery chargers and analyzers, including those made by Cadex, feature a wake-up feature or “boost” to reactivate and charge batteries that have fallen asleep. Without this feature, a charger would render these batteries as unserviceable and the packs would be discarded. The boost feature applies a small charge current to first activate the protection circuit and then commence with a normal charge.

Do not boot lithium-based batteries back to life that have dwelled below 1.5V/cell for a week or longer. Copper shunts may have formed inside the cells that can lead to a partial or total electrical short. When recharging, such a cell might become unstable, causing excessive heat or showing other anomalies. The “boost” function by Cadex halts the charge if the voltage does not rise normally.

A study done by Cadex to examine failed Brand new Latitude E6400reveals that three out of ten batteries are removed from service due to over-discharge. Furthermore, 90 percent of returned batteries have no fault or can easily be serviced. Lack of test devices at the customer service level is in part to blame for the high exchange rate. Refurbishing batteries saves money and protects the environment.

With no power lines between the state and the rest of America 

November 05 [Mon], 2012, 15:37
The world's biggest battery was plugged in yesterday to provide emergency power to one of the United States' most isolated cities.

The rechargable battery, which at 2,000 square metres is bigger than a football pitch and weighs 1,300 tonnes, was manufactured replacement rn873 516355-001 by power components specialist ABB to provide electricity to Fairbanks, Alaska's second-largest city, in the event of a blackout.

Stored in a warehouse near the city, where temperatures plunge to -51 degrees Centigrade in winter, the battery will provide 40 megawatts of power - enough for around 12,000 people - for up to seven minutes.

This is enough time, according to ABB, to start up diesel generators to restore power, an important safeguard since at such low high quality rn873 607763-001temperatures, water pipes can freeze entirely in two hours.

With no power lines between the state and the rest of America, Alaska is often described as an "electrical island" where tough environmental conditions and a sparse population make power cuts a way of life.

The hardware manufacturers just keep putting more into those machines 

November 05 [Mon], 2012, 15:35
Power-management software seeks to address this issue. Most of the time, it's up to you to manage this yourself. If you can get your work done without any element attached -- from the CD-ROM and the floppy to a PCMCIA hp Pavilion Mini 311 laptop batterycard, do it. If all you're doing is composing e-mail or writing small documents, you may wish to slow down the processor.

There has been some development in the area of smart battery technology, but you have to wonder if even the smarter battery vendors are fighting a losing battle. As Lonnie Conklin, vice president of Powersmart, a Shelton, Conn., designer and maker of such smart batteries said, "The hardware manufacturers just keep putting more into those machines. Even though batteries are getting better in terms of energy density, it barely keeps up. These systems give more functions, but they're 11.1v 5200mah 9cells rn873 HSTNN-CB73 more power-hungry."

In other words, get used to it. If you want more detail, you can learn how batteries work. In the Wintel world, you often hear pundits say, "Andy gives, Bill takes away." Translation: Intel (headed by Andy Grove) gives you more processing power, while Microsoft (headed by Bill Gates) constructs processor-hungry programs.

Recovery and recycling of the battery materials 

September 03 [Mon], 2012, 16:22
The earth’s resources, no matter how abundant we think they are, are finite, and precious to all of us.

It is essential that the food we eat, the water we drink and the air we breathe are free of toxins and keep us healthy. Maintaining a 11.1v 5200mah 9cells AS10D31clean environment, re-using and reclaiming resources benefits us all. Moreover, sound environmental management will support sustainable development and growth.

It is therefore in everybody’s interest to recycle as much scrap material as possible, especially lead acid batteries, because if they are not recycled the materials in the battery pose a serious environmental problem and a threat to human health.

The ideal loop would be:
Lead bullion production
Battery manufacture
Recovery and recycling of the cheap rn873 BATBL50L6 materials.

Lead acid batteries, in whatever form, are all recyclable to a lesser or greater extent. This only means, however, that a battery can be recycled after it is spent. The battery itself does nothing to close the recycling loop if it is not recycled, but you, your governments and your industries can ensure that they enter the loop by creating an infrastructure that will promote and facilitate recycling.