HP Laptop Battery Super Blog Here

Read below, you should probably understand that a number of laptop VGP-BPS2A VGP-BPS5 batteries can not charge causes. In this paper, however, the maintenance department is always a good way!

It was found that Li Xiao notebook in hand, it goes without saying, is definitely sending the maintenance user does not know what the problem is always followed by a look.

This notebook is great, and rarely seen in China is estimated that people brought from abroad. On the question Han Well, Mike told me that this laptop battery not charging, and other customers have already replaced the battery, but does not solve the problem, then take over. And he said to a user or site readers found in our Romanian workers in contact.

Hey, do not charge laptops, this problem is serious, but not delay the use but without provocation in a laptop mobile, which makes things kinda depressed.

Alan said: “Customers have had to replace the battery, to prove that the problem is not something like that, and the laptop also works correctly, then there is only one conclusion is that the laptop to recharge battery circuit on the motherboard that damage had occurred. Therefore, this case should be repaired apart. PA3534U-1BRS  PA3591U-1BRS

Process does not address this point, anyway, is what professionals do, and not five minutes to do, remove the motherboard of the laptop has come. It plugs into this position, which is the interface to recharge the battery, of course, not connected to external power, if so, where is the battery interface.

Alan said, “it is generally not charge the battery failure is more common, and solve the problem started from the interface of the battery. First, take a look at whether the charging output pin voltage in the map of the location of the first should be the right Most notebooks are the 19V battery voltage is used to load. “Here, Mike has begun to take action multimeter, the results show that the pins have no voltage output.

“That being the case, we will test the battery charging circuit,” said Li Xiao Here, the motherboard of the laptop turned over.

This part is the battery charging circuit, and is on a photograph, the back of the motherboard, let’s look at the parts inside a yellow circle. Here is a diode and a FET, Li was the first step of the diode and found that one end of the no-voltage current through the diode that is truncated before. Well, next we need to measure FET, is to sink a new small film 8 pin. Li was with the multimeter on a pass in the axis, we measure the quantity of new, small, not very clear on what the specific volume of the pin, but the results quickly, the FET control and no output pin of tension. Alan told me such a conclusion is to explain the problem does not exist in the diode and the FET place. A1078 A1175

The next step is to test the chips controlling the battery charge, and it’s a red circle in the figure above components. Because the previous measure current into the FET did not, so the possibility of charging damage is very smart. After the measurement results, and in fact the problem lies in this case, the solution is relatively simple, is to replace a similar chip on it.

Oh, yes indeed no weak soldiers forcing their hands, to my eyes seems to be a very annoying problem, the only people took 20 minutes to resolve, and could not help but I do admire. I often think that when Romanian workers if it is as a period of months, and the value will probably be flown to their own experiences of, ha ha!

As the saying goes: Learning without thinking is sorry to think without studying is lazy. The problem is solved, but I still remember when maintaining Xiao Li had said before, as laptop battery not charging failure is more common, then why this happens?

Li was smiling saying, “In fact, there is nothing secret, it is not caused by the unfair use. We all know that every time the battery charging plug and the process will have greater tension in the interface portion is often generate sparks, in fact, at this moment is very easy to get the battery or damage motherboard laptop. usually used the laptop a time, often after the swap the F4486B F4809A battery, there can be no question of charging the battery, while the components used, the quality of the motherboard quality issue is also very critical . For instance this machine, under normal circumstances the instantaneous load may damage the motherboard high-current power supply line to the end of diodes, but you do not know why this laptop offers Quebe chips to burn. Although the cause failure phenomenon is the same, but the maintenance cost is significantly improved. ”

do not know if we do not understand, I understand anyway, and because users often will result in frequent-swappable battery failure. I would therefore like to advise those laptop users are not often repeated the battery removed in any case, when the laptop is also possible to install the battery. So, do not use the battery if it is a long time, if he was left alone in a notebook over the bar.

With the cell phone technology, the mobile phone battery was a “regime change”. In the first NiCd and NiMH Li-ion battery, and then Li-ion polymer batteries. Greater energy density, smaller size, greater life expectancy of mobile phone batteries strong support for the development of mobile phone. The mobile phone battery following are the key technologies and important parameters to make a brief review. IBM ThinkPad R52 battery IBM ThinkPad T40 battery

Batteries mobile phone technology

The battery technology application to a large extent by decisions based electric technology development. With the continuous development of technology, batteries, NiCd and NiMH batteries gradually decreased at the same time, Li-ion battery production has risen steadily, and the Li-ion polymer batteries have started to occupy a certain market share.

In general, batteries have two electrodes anode and cathode. Anode to release electrons and produce a lot of holes, the polarity is positive accumulation of cathode electronics, the polarity is negative. Pricing, the current in-house flow of the anode cathode discharge to the contrary, the current outside the cathode to the anode, the power load. Parameters common battery performance are defined as follows: If a battery is fully charged after the discharge capacity after an hour the whole space, then the current rate of 1C; to recharge a battery or batteries pieces full of tension ( 4.2 V for example), then through the discharge power is empty (eg, 3.0 V) is called a charge-discharge cycles, when the battery capacity to maintain a valid value (like amount of charge up to 80%), the battery charge and discharge cycles can increase the number of known life cycle of the battery. Dell Inspiron 1300 battery  Dell Inspiron 1420 battery

1. NiCd and NiMH batteries

NiCd batteries use cadmium as the anode, the cathode NiOOH. NiCd batteries have a life cycle longer, better temperature characteristics and high density of the battery. As a battery faster, Cd pollution material is relatively heavy environmental and density of the battery must be further enhanced, while NiCd battery is difficult to increase the capacity and will be disposed of market applications.

NiMH batteries using MH as the anode, cathode and NiOOH. NiMH battery is charged and the discharge characteristics, and cell density than nickel-cadmium batteries has increased by 30%, and are more environmentally friendly. NiMH better safety performance in itself, it was anti-overload protection and self-discharge capacity of healing, compared to Li-ion batteries, it does not require additional protection circuit and board containing PCBs. NiMH batteries have many advantages, but in the charging efficiency, battery and the density of leakage current of these areas need further improvement. 338794-001 361742-001

2. Li-ion batteries

Li-ion batteries using carbon or graphite as the anode and the metal oxides or Co / Ni / Mn cathode, organic, or an electrolyte solution to polypropylene as insulation. As the material, Li-Ion batteries must be placed under some form of cans solid, if pressure is good, and the shape is fixed.

Li-ion batteries provide 3.6V operating voltage is generally more stable performance. Its power density is very high self-discharge of the leakage current is small, large capacity and a small external. In addition, Li-ion batteries, long battery life, typically more than 400 cycles of loading and unloading, and the life cycle of work and stable performance. Figure 1 show the different life cycle of the Li-ion battery under the 1C discharge voltage and the curve of time. VGP-BPS5 VGP-BPS9A

When the Li-ion batteries in cell controlled by the field of traditional chemistry, in improving the energy density at the same time, the design of the battery and the chemical change also makes the key parameters of the battery can be improved. Li-ion battery has been applied in many system designs, it may be well positioned to meet the energy needs of the system.

Of course, Li-ion batteries is volatile and flammable material composition, and therefore the design of the battery, safety is an important criterion.

3. Li-ion polymer battery cells

Li-ion polymer batteries batteries batteries with Li-ion battery similar to the use of carbon as the anode, metal oxides as cathode, gel electrolyte membrane using the gel as an insulator. Li-ion polymer batteries have greater capacity and higher energy density. With the Li-ion batteries similar to its self-discharge of the leakage current is low. However, Li-ion polymer battery of stability is not good, so it needs to operate more stringent. A1060 M8403

Li-ion polymer battery technology to significantly improve the energy density of battery life, temperature and duration of conservation, energy efficiency of the battery is very high. Appearance, Li-ion polymer batteries using plastic containers, compared to Li-ion battery shell metal has a definite advantage, but the Li-ion polymer batteries are also easy to force expansion, so the production of materials, flexibility of error for a strict control. From a security standpoint, Li-ion polymer batteries and battery fever electrolyte leakage problem has been a real headache. Because Li-ion polymer battery is easy to develop, its reliability needs further improvement.

In short, there are many manufacturers in the continually improving Li polymer battery technology, and supply-ion batteries with the same service prices. However, the stability of the polymer has not been verified, but also be further improved and developed.

In recent years, with electricity, coal, oil and not other sources of renewable energy most often in cases of urgency, energy is increasingly a bottleneck limiting the development of the international economy. The post-oil era, so that people will once again focus attention on development of new energy sources and use of this has to a certain extent, the promotion of the energy industry of the Laptop battery system. People will turn his attention to lithium-ion batteries, fuel cells, photovoltaics, wind energy battery research and development. Experts believe the battery industry in China in terms of improvements in technology or the structure of demand, has inaugurated a new era of development.

Fuel Cell

It is not easy to say love you

In today’s era of global energy crisis, the search for new energy sources as a substitute for fossil fuels is a priority. Because of its ease to get fuel for fuel cells, environmental protection and sustainable use of the advantages of the battery industry and has become the new subject, especially in the automotive industry in the promoting pollution-free fuel cell zero emissions, the parties concerned is given a high degree of recognition and evaluation. In recent years, Europe and the United States, Japan and other developed areas and the state has put a lot of fuel cell R & D strength, China from 50 years in the 20th century conduct fuel cell research, is now a key material in fuel cells, the key technological innovation has made many advances. Beijing Olympics 2008 on the use of green fleet of 20 self-developed fuel cell electric cars.

Experts predict that by 2013 the global market for fuel cells could reach 35 billion dollars. In 2006, the performance of fuel cells will be improved, its sales will also significantly increased. Fuel cells increasingly global, so many people in the industry that fuel cells will have a huge market space, will become a trend in the development of industry Dell Latitude D800 battery. However, there are different voices in there.

“Fuel cells can not say that the development of leadership, but not become a trend.” China Battery Industry Association, said the Secretary-General Wang Jingzhong. “Now, both foreign and domestic Cells fuel is still in development stage of a trial and do not form a mass, industrialized production. “Wang Jingzhong introduction, the reason why fuel cells are not an industrial production, mainly by two factors, one is subject to physical constraints, fuel cells require platinum as anthrax, and materials such costs very expensive. It is understood that the annual world production of platinum in 2006 to 200 tonnes in 2007 to 220 tons. Production Annual China only about 4 tons and imports about 40 tons, mainly used in the chemical industry and jewelry carved. “All electric vehicles to fuel cell 50.000 would require at least 1 ton of platinum, just this platinum scarce and expensive resources are involved, how to support affordable industry Fuel Cell Electric Vehicle to be? ” Chinese Academy of Engineering, YANG Yu-sheng also expressed the same opinion.

The second is a security risk. Wang Jingzhong that fuel cells are mainly used in the car, then install the bottle if the quality of fuel to cross the border if a collision does occur under high temperature and so on will have security implications.

This year, in May, Minister of Energy of the U.S. government, Obama has officially announced that the government stops its support for the research of fuel cells for electric vehicles and development. The electric vehicle fuel cell has been vigorously defended by the Bush administration as the “hydrogen economy” theory of magic “.” “In the substitution of the new technology of platinum catalyst has been no fundamental breakthrough in this problem before electric vehicles to fuel cell may not be big development. In addition, hydrogen is a secondary energy consumption of primary energy can be obtained, the total energy efficiency of fuel cells power conversion was not high. do basic research is the key. YANG Yu-sheng.

Solar energy, lithium-ion hp F4812A battery

Synchronization with developed countries

“Currently, the battery industry in China in research and development of new battery technologies and abroad at the same starting line, just to see who will be a bigger breakthrough.” Wang Jingzhong say with confidence: “Now, we focus primarily on lithium-ion batteries, solar panels in the development and research.”

According to Wang Jingzhong New China was founded, the battery industry in China is in a state of destitution, the battery is just over 3000 million Value of production less than millions of dollars in total workshop-type enterprises. While 60 years later, China became the first battery of the world-producing countries, production increased by 1,000 times, sales have increased by tens of thousands of times more, varieties of the battery New China was founded in the early dry and paste-type open-type lead-acid batteries as several hundred to our days. Mercure advanced without alkaline manganese batteries, valves sealed lead-acid batteries, lithium-ion battery, Ni-MH batteries, solar cells and other products has become China’s main industrial sony VGP-BPS5 battery products, technologies, equipment and product quality has been synchronized with developed countries, China cell industry has established a complete industrial production support and research, are moving toward a world power in the battery industry. As an energy industry news, an important component of the solar wind and other renewable energy sources, electric vehicles and other emerging sectors, the rise of China Battery Industry is a new cycle off and created a solid foundation on the market.

It is understood that, after years of development, new energy industry of China has made considerable progress, China has the production capacity of solar cells has reached 2900 megawatts in the first place in the world. The lithium-ion batteries because of its cycle of good performance, high safety factor advantages in electric cars has played an important role.

China Battery Industry Association, Jin-Liang Wang, Director of the Technical Committee also believes that the new battery technology affects the world science and technology and advanced development of high technology industry, one of the cell industry is the greatest development potential in the century, 21e, an industry of the future, with the rapid development of world science and technology, Battery industry in national economic development in China will play an increasingly important role. China is now the largest producer of batteries and larger battery consumption of the country, oil and other escalating energy crisis, people become more aware of protecting the environment, the battery industry is seeking new opportunities and challenges in the development and technological breakthroughs.