Posts tagged: sony vgp-bps12 battery

Jul 08 2010

Electronic devices without battery-driven approach

Technology double layer capacitor, the latest development has replaced the specific applications of secondary energy storage in rechargeable batteries (footnote 1). Capacitor provides a rechargeable battery compared to the obvious benefits, including the actual number of infinite cycles of charge / discharge, sustainability of short-circuit case, just a simple circuit overvoltage protection. In addition, storage capacitors recharge quickly, and when the product reaches the end of working life, will not cause problems of disposal of toxic waste. dell inspiron 1501 battery dell xps m1210 battery 

The design example of a powerful engine in describing the capacitor charger, and by extension of earlier ideas. Strongly driven generator and a combination of high value capacitor for emergency equipment and survival kits provide a high degree of autonomy and the feeding method of keeping the environment clean. This type of “application of renewable energy” covers a wide range of modern electrical and electronic devices, including mobile phones, MP3 players, AM / FM radio, PDA, laptop, flash. 

High Power Capacitor Charger contains only a few elements: storage capacity, bridge rectifiers, protection against the pressure of high voltage capacitor in limiting the effects of the Zener diode (Figure 1). To experience the real storage, you can use the maximum rated voltage of 5.5 V to 1F, or 0.47 F capacitor, such as NEC Tokin America Inc., (www.nec-tokin.com) products (Figure 2). If you need more storage, you can feed a larger capacity capacitor, such as Elna Corporation of the F 100 Dynacap 2.5V (Figure 3). sony vgp-bps12 battery 

You can put bulbs labor cheap Suppressed Flash, and it is as a charger output capacitor (Figure 4). In addition, the market is artificial supply of products offer the opportunity to experiment. For higher output, you can use a stationary bicycle generator motor. According to the pedal power of individuals of different, these generators can provide 20W to 100W average power. Figure 4 is the crank flash boot style lit the first of a 2.5V, 0.15A incandescent bulbs, full of light when it consumes about 0.4W. However, the measurement results show that: the generator can provide more power, and in about 10 seconds 1F capacitor to charge to 5V. The following formula calculates stored in a capacitor (capacitance value of C) in the energy E = 1/2C × VMAX2 = 12.5J, the formula to calculate the average time of maximum force production of various T Electricity: TMAX = E / T = 12.5/10 = 1.25 W. eee pc 1000he battery  sony vgp-bpl8 battery 

You can use the following formula to calculate voltage across the capacitor becomes the lowest in the highest, while the capacitor discharge cycle to provide energy efficient Eeff: Eeff = 1/2C (VMAX2-VMIN2), representing respectively VMAX2 VMIN2 and applied to the power equipment is the maximum and minimum operating voltage. You can store capacitors in series or in parallel. In both cases, must ensure that the circuit has adequate protection against overvoltages on the capacitor. For additional tension, you can add a DC / DC switching regulator to generate a stable output voltage. HP mini 5101 battery 

Some important design considerations is the bridge rectifier diodes and Zener diodes DZ maximum voltage and current. Start on the type crank generator experimental received the following approximation of the open circuit voltage: 10 Vrms maximum voltage, peak voltage 14 V, maximum short-circuit current 200 Marmi. For this application, one with the lowest peak reverse voltage of 20V and 0.5A minimum current through the bridge rectifier at low cost to provide sufficient margin. Note DZ breakdown voltage should be slightly less than the maximum working voltage storage capacitors, and diodes rated power – in this application is 2 W – expected to exceed the maximum output of generator current and voltage zener diode conduction product.

Jun 05 2010

Extend notebook battery life means

Use of laptop computers worry about most is the  laptop battery. Recently, for extended battery life, but even so, people have to always remember that the battery is a kind of supplies.

Although the manufacturers to stop production after the 8 years, the battery will provide the original model, but the purchase of personal computers three or four years, regardless of the machine or the battery have been lagging behind, in this case a higher price if another deliberately old-fashioned flower The battery was very uneconomical.

Based on this consideration, and extend the battery life can be described as economical and practical way.

Now widespread use of lithium-ion notebook computer batteries sony vgp-bps12 battery, vgp-bps8 battery (or similar products). And long before personal computers, A4-based notebook computer under the premise of being used in nickel-metal hydride batteries are also used. Forward again until the mid-Nineties, using a nickel-cadmium batteries.

Please read this instruction manual first, to confirm what kind of d505 battery. If there is no manual page for view by the battery manufacturers specifications.

Ni-MH batteries and nickel-cadmium battery of the biggest problems is the “memory effect”, if the hp pavilion dv9000 battery  has not run out on the charge (half-way charge), then the next time you use batteries, used in the place began to charge no electricity. If the cycles of this process, the  pavilion dv9000 battery life will become shorter.

Although Ni-MH battery memory effect is smaller compared with nickel-cadmium batteries, but also shorten the life of repeated charge midway reasons. So please try to recharge the battery after all used up.

Lithium ion batteries(hp pavilion dv9700 battery ) have no memory effect, so even if the charge is dropped off and no problem.

Use to extend battery life
Although the lithium-ion batteries have no memory effect, but also greatly affect the use life. Use of lithium-ion battery Please note the following:

* Full power of the state not to use AC power drive
Compared with no full power, full power state more easily aging. Especially when fully use the AC power drive, the   battery will bring a heavy burden. Also increase the cooling capacity, and further accelerate the aging batteries.

Therefore, the temporary use of laptop computers, once full of power, it had better battery power.

Manufacturers recommendations when using the AC power Remove the battery (remove the battery vgp-bps9 vgp-bpl8, but if we must pay attention to power failure or other accident, unplug the cable, there is no saved data will be lost).

* Use power-saving features
Factors affecting battery life is the number of charge and discharge. In order to minimize the number of charge, can be used with laptop power saving function (when using the battery, dimming the screen brightness, lower CPU speed to reduce power consumption).

By the same token, batteries are charged, the best try not to charge the  battery fully utilized.

* Full discharge once every few months
Another trick is to put each or a few months once the dell inspiron 1501 battery  is fully discharged. Specific approach is to have zero power to the battery used to power after zero to stop using, connect AC adapter, then do not use personal computers, these cities to full power.

Some personal computers have a “battery discharge (Battery Refresh) function.” If you think the battery is very easy to use, you can try using the battery discharge function.

* A long time when not, unplug the AC adapter
Not more than eight hours or more, in order not to burden the  battery, remove the AC adapter. Also, if more than one month when not in use, please remove the battery from the machine, put in the shade.

When replacing the battery?
Standard replacement battery is charged only to the original capacity of around 6 percent.

Since there are many types of batteries(dell inspiron 6400 battery inspiron 1520 battery ), it is necessary to purchase personal computers in use that it was a model. In addition, it is best not to advance purchase spare, because if not, the battery will wear and tear.

There is now no need to buy genuine batteries, but to discharge the battery is being used to restore the performance of services. “BAYSUN” is one of them a week’s time to restore the battery performance.

This method, compared with the purchase of authentic, not just cheap, not in stock at the manufacturer, or second-hand laptop with the battery can no longer use is particularly convenient for such occasions.

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