2009年9月5日 星期六

How to test the true extent of battery capacity

How to test the true extent of battery capacity

How to test the true extent of mobile phone battery Toshiba PA3331U-1BRS Battery capacity?


Lithium battery charging method is to limit pressure cross-flow mode, the general charge current are set at 0.2C.


C charge and discharge current tends to be used as a reference, C is the corresponding battery capacity values. MA, said battery capacity tends to be used, such as the L600 battery Toshiba PA3166U-1BRS Battery capacity of 1800mAh, the corresponding C is 1800mA. 0.2C is equivalent to 240mA.


Li-ion battery charge current is generally set at 0.2C, according to this principle, we can charge the battery time to calculate the approximate capacity of mobile phone batteries.


To L600, for example, to calculate the L600 battery Toshiba PA3191U-1BRS Battery capacity: The battery is marked 1800 milliamperes, according to "General Li-ion battery charge current set at 0.2C" calculated, 0.2 × 1800 = 360, the charging time from the L600 run, L600 the battery is full time for nearly 5 hours, 360 × 5 = 1800. This basic calculation out the cell phone battery capacity.


The machine can be seen the capacity of the battery capacity and is in line with annotations.


Many cottage machines, the battery capacity of the target are very large, and some shockingly big, full of quick charging time, and a use of two days of no electricity. In this way, we can easily determine the approximate battery Toshiba PA3285U-1BRS Battery capacity.

XP Useful tips: extending battery life

XP Useful tips: extending battery life

In the process of using a laptop computer, there is an important issue is battery Toshiba PA3395U-1BRS Battery life. In order to extend battery life a lot of computer manufacturers to design sophisticated programs to reduce as much as possible the use of hardware power, such as Intel's CPU automatically down-conversion technology.

But you know through the Windows XP system settings can also be reasonable to reduce the power consumption of notebook PCs do? In the Windows XP boot Toshiba PA3399U-1BRS Battery process, load a lot less than we might use the process and procedures. This makes the computer's start-up time extended in order to use too much power.


And notebook computer does not correctly distinguish lies in the different power modes need to activate the system processes and procedures, so we need a way to set the user to configure the table to achieve our objective. In the user account to add a new Toshiba PA3084U-1BRS Battery account, and then log on using the new account name and then "Start" menu items do not need to start to delete. This can increase the boot speed.


Later, when you use an external power supply when using the original account login system, using the built-in batteries with the new account sign-on system.


Finally, there is little to remind that in order to be more smooth transfer between the two accounts, during the installation process when the option "Allow everyone to use," and then the two Toshiba PA3098U-1BRS Battery accounts of the "My Documents" point to the same folder ( How See: XP Practical Skills: Moving "My Documents").

2009年9月1日 星期二

Scientists: the first to develop a urine-powered paper battery

Physicists in Singapore has announced that developed the first laptop battery urine-powered paper to the battery. They said that this credit card-sized battery can be used to power low-cost medical testing tools, and even used as a cell phone in case of emergency power supply.


Urine tests can find diseases, while the new battery will enable the test urine sample can also supply diagnostic equipment. Singapore Institute of Bioengineering and Nanotechnology of the Ki Bang Lee, said: "We are working to develop low-cost testing for the disease, the credit card-sized disposable biochip. Our battery can be easily integrated into such devices, in the urine and the like fluid or blood and other biological fluids to provide current contact. "


During the current bio-chip IBM 92P1102 Battery diagnostic tests, the need for external sensors (eg laser scanner) or an external power supply (such as conventional batteries). The Lee's sensor and battery technology will be installed in a plastic chip. Battery by a layer of soaked filter paper in copper chloride composition of this layer of filter paper clip in between the magnesium and copper strips. The urine of salt caused a chemical reaction, magnesium metal layer as the anode to lose e-, copper and copper chloride as the cathode to release electrons. Lee said that the urine-powered battery only 0.2 milliliters of urine can provide about 1.5 volts, the power of 1.5 milliwatts of electricity. If you activate the battery for the first time to run 15 hours later by adding a second drop of urine, the urine can be issued to add more IBM 08K8196 Battery power. The battery is currently available in a one-time equipment, you also can not be used as a laptop or iPod power supply.

Now the battery in the factory before they had been activated (if you are buying a hoarding goods, time, hoarding, and require re-activation). So, no need to bought off enough to come back in the first three minor more than 12 hours


Battery calibration method:


When the battery capacity DELL 08K8194 Battery dropped a lot of sense to use significantly less time and can be used when the battery calibration, the official statement is the best 3 months corrected time.


1. Press F2 to enter BIOS


2. Chose to enter the menu POWER


3. Select START BATTERY CALIBRATION later, you are prompted, then connect the power adapter in order to facilitate machine-to-charge the battery.


4. When the screen appears, the following prompt, please remove the power adapter. And wait for the machine automatically shut down to complete discharge.


PLEASE REMOVE AC ADAPTER


5. To be connected to the adapter is turned off, the charge to the charging indicator light is off, that is the completion of the battery IBM 92P1087 Batterycalibration

South Korea has developed the world's most efficient battery is two times the existing battery Author: Toshio Baba,

Local Time this week, three South Korean IBM 08K8199 Battery scientists say they have developed a new prototype flexible solar cells. According to scientists, the newly developed flexible solar cells is now the world's most efficient batteries.


According to Electronics and Telecommunications Research Institute (ETRI) development team leader Ryu Gwang-seon said, it is noteworthy that the new flexible solar cell manufacturing cost is very low, after testing with traditional silicon-based solar cells than it is produce the most efficient current.


Gwang-seon said in a telephone IBM 92P1073 Battery different from the traditional silicon-based solar cells, scientists have newly developed products to titanium oxide, pigments, and the electrolyte layer sandwiched between thin plastic and stainless steel plating to protect. Scientists said the new solar cell thickness of only 0.4 mm, which convert solar energy into electrical energy efficiency of existing solar cells is almost twice.


Gwang-seon said: "We, including the United States and Japan, including six countries submitted a document, register a new solar energy technology is being patented. End of this year, we plan to transfer this technology to the enterprise, making it as soon as possible commercialization." He added that the new solar cell has soft features, this product will be used for future mobile phones and laptop battery computers, it is relatively resistant to impact, mounted on glass can be used in the automotive industry.


Gwang-seon said the new flexible solar cells can be attached to the tie on consumers, will come from the sun's energy into a current post for portable electronic devices. He said that his development team after a four-year study to develop a new solar cells.


He refused to disclose the details of investing in the technology, but cites the investment plan is now underway.


Electronics and Telecommunications IBM 92P1077 Battery Research Institute, said the new product development is the South Korean government to seek national information technology industry, new revenue sources part of the plan. The Academy said in a statement, in the global solar cell market is expected to market size in 2010 will reach 10 billion U.S. dollars.