Lithium battery knowledge

Correct to say: Lithium electric charge cycle life and the completion of the number of relevant,and the number of charge cycles is not directly related.

A charge cycle means that the battery power from the full use of all air, and then by air charge to the full process. This is not equivalent to recharge a battery.

Simple to understand, for example, a lithium battery on the first day only half of the electricity, and then it is fully charged. If the next day also so, that is, with half of the charge, a total of two charge down, this can only be counted as one charge cycle, rather than two. So it is usually possible to go through several times to complete one cycle of charge. Each complete a charge cycle, power consumption will be reduced a little. However, the reduction in amplitude is very small, high-quality battery charge cycle many times, will still retain 80% of the original capacity, a lot of lithium-powered products, after two or three years still remain in force, that is for this reason. Of course, life of lithium to be replaced eventually.

The life of lithium is generally 300 to 500 charge cycles. Suppose a complete discharge of electricity available for the Q, if not consider each charge cycle after the reduction of electricity consumption, then the life of lithium in its offer,Dell Inspiron 8100 Battery, Dell Inspiron 4000 Battery, Dell Inspiron 4100 Battery, or a total of 300Q-500Q for additional power. From this we know that if each with 1 / 2 on the charge, you can charge 600-1000 times; if each with 1 / 3 on the charge, you can charge 900 ~ 1500 times. And so, if the random charging, the indefinite number of times. In short, no matter how filled, a total complement of electricity into the 300Q ~ 500Q This is constant. Therefore, we can also interpret it this way: Dell Inspiron 8000 Battery, Lithium battery life and battery power on the total charge, and the number of unrelated charge. Release of deep and shallow depth charge put sufficient light for the life of the impact of lithium or less the same.

In fact, the light put more light rechargeable lithium battery for the benefits of the product only in the power supply module for the lithium to do calibration, the only deep deep release charge necessary. Therefore, the use of lithium-powered products do not have to rigidly adhere to the process, all to facilitate the first, charging at any time without fear of affecting life span.

If the above specified operating temperature, ie above 35 ° C environment, the use of lithium electricity, battery power will continue to decrease, that is, the battery power will not take as long as usual. If such a temperature, but also for the device charging, it will be more damage to the battery. Even in a relatively hot environment, storage batteries, the battery will be the inevitable result of the quality of the corresponding damage. So, try to keep in proper operating temperature is beneficial to extend the life of lithium a good way.

If the low-temperature environment, namely 4 ° C following the use of lithium, the same will find the battery usage time decrease, Dell Inspiron 8100 Battery, and some mobile phones Yuanzhuanglidian the environment even at low temperatures can not be recharged electricity. But do not worry too much, this is a temporary situation, is different from the use of high-temperature environment, once the temperature rose up, the battery in the molecular heat, immediately revert to a previous charge.

To play the largest lithium-ion battery performance, often need to use it, so that the electronic lithium battery is always in flux. If you do not often use lithium electricity, be sure to remember that a month to complete a charge cycle, lithium, do a power calibration, that is, the deep dark place on one charge.
Nickel-cadmium batteries (Ni-Cd)
Voltage: 1.2V
Service life: 500 times
Discharge temperature: -20 ° ~ 60 °
Charging temperature: 0 ° ~ 45 ° Dell Inspiron 8100 Battery, Dell Inspiron 4000 Battery, Dell Inspiron 4100 Battery,
Note: anti-overcharge ability.

Nickel-metal hydride batteries (Ni-MH)
Voltage: 1.2V
Service life: 1000 times
Discharge temperature: -10 ° ~ 45 °
Charging temperature: 10 degrees ~ 45 degrees
Note: At present, the maximum capacity of about 2100mAh.

Lithium-ion battery (Li-lon)
Voltage: 3.6V
Service life: 500 times
Discharge temperature: -20 ° ~ 60 °
Charging temperature: 0 ° ~ 45 °
Note: Ni-MH battery Light weight ratio 30% ~ 40% higher than the Ni-MH battery capacity over 60%. But the impatience overcharge,if the overcharge will cause the temperature is too high and damage the structure = “exploded.

Lithium-polymer battery (Li-polymer)
Voltage: 3.7V
Service life: 500 times
Discharge temperature: -20 ° ~ 60 °
Charging temperature: 0 ° ~ 45 °
Note: Lithium electricity improved, there is no battery fluid, while the switch to a polymer electrolyte, can be molded into shape, and stability than the lithium batteries.

Lead-Acid Battery (Sealed)
Voltage: 2V
Service life: 200 ~ 300 times
Discharge temperature: 0 ° ~ 45 °
Charging temperature: 0 ° ~ 45 °
Note: that is the general vehicle battery (which is based on six 2V series into the 12V), the free water in the battery life up to 10 years, but the volume and the volume is greatest.

Battery charging Glossary
Charge rate (C-rate)
C is the Capacity of the first letter used to indicate when the battery charge and discharge current size of the value.
For example: Charging the battery when the rated capacity of 1100mAh, it means that in order to 1100mAh (1C) discharge time of 1 hour and sustainable,Dell Inspiron 8100 Battery, Dell Inspiron 4000 Battery, Dell Inspiron 4100 Battery, such as to 200mA (0.2C) discharge time of 5 hours of sustainable, charge control can also be calculated here.

Termination Voltage (Cut-off discharge voltage)
Refers to the battery discharge, the voltage drop to the battery is not appropriate to continue to discharge the minimum operating voltage value.
Depending on the battery type and different discharge conditions, Dell Inspiron 4100 Battery, the battery capacity and life requirements are different, therefore provides for the termination voltage of the battery discharge is not the same.

Open-circuit voltage (Open circuit voltage OCV)
When the battery does not discharge the battery potential difference between the two poles is called the open circuit voltage.
Open circuit voltage of the battery will be in accordance with the battery positive and negative electrode materials vary with the electrolyte, if the battery positive and negative electrode material exactly the same, then no matter how big the size of the battery, the geometric structure of how the change from open-circuit voltage are the same.

---

Posted by admin on February 8th, 2011 :: Filed under Battery Lights
Tags :: Battery, knowledge, Lithium

---

Zinc-air batteries – these batteries, light weight, and can be charged

Laptops are getting sophisticated, faster, lighter. The one thing still trailing behind is the battery. Following are things you can do on your laptop to conserve power and extend its Laptop battery life.

Dell Studio 1537 battery Dell Studio 1735 Battery Dell Latitude E6500 battery

Power Scheme Mode – -

Selecting the right “power scheme” will help to prolong the life of laptop battery. Use the “Low Power Mode” since it will not consume more power than “Max Power Mode” battery.

To adjust battery setting: Start > Control Panel > Performance and Maintenance. Click on the “Power Options” icon. The power setting window will appear, make your settings from there on.

- – Stop Background Programs – -

Pressing the Ctrl + Alt + Delete simultaneously to bring up the Task Manager. Under the first tab (Applications), you can see all the current “open” programs that are running on your laptop, try to close the background from your DLSR Battery Grip.

Click the Process tab, next to the Applications. You will see all the real-time processing items on your laptop, kill those that you are not using. All the unused programs but are running will increase the CPU usage, which in turn will cause a lots of wasting power. You can determine which ones to disable by reading the titles on the processing list.

- – Screen Brightness – -

Control the brightness of the screen according to your environment. Dell laptop battery screen use plenty of power, too.

- – Disk Defragment – -

Hard disk is a big consumer of electricity. The more efficient the Dell Precision M6400 Battery Sony VGP-BPS9 Battery Sony VGP-BPS10 Battery Sony VGP-BPS22 Battery hard disk the less power it use. To minimize read-write head movement, defrag your hard disk regularly. If you use your Sony laptop battery all the time, do it once every 2 or 3 months. All hard disks should be defragged at least once each year, regardless a laptop or desktop.

To defrag: Start > Performance and Maintenance. On the list under the title “Pick a task…”, first, select “Back up your data”. Then come back to the main menu and choose either “Free up space on your hard disk”, or “Rearrange items on your hard disk to make programs run faster”. The latter is recommended. Follow the steps to complete process.

- The Temperature Factor – -

Your IBM laptop battery will operate more efficient when temperature is cool. Make sure the vents are not blocked.

- – Avoid Multitask – -

Try to work on one thing at a time and close unnecessary windows or applications. You might be tempted to work and finish many projects at once, but this will also drain your Apple laptop battery faster, and you may run out of battery before you complete your work. You are also using power when typing, using mouse or touch pad – they are all electric signals, same with the plugged USB ports HP EliteBook 6930p battery HP 550 battery HP COMPAQ Business Notebook 6710b battery .

- – Disable Wireless Signal – -

WiFi sip a lot of juice from the battery. Turn off the wireless signal if you are not using, you will save up to 30 minutes of power.

- – Storing Battery – -

Charged battery unused for a long time would deteriorate it. Keeping a spare Dell laptop battery is not recommended because lithium-ion batteries need to be “exercised”. Only buy new battery when you know that your current one (in use) is about to expire. Once charged, a battery should slowly be used. Frequent charge and drain will shorten laptop battery lifespan.

- – Hibernate, not Stand-by – -

If you want to start up your laptop faster, use Hibernate mode as that would save the last state of your system, it will then shut down the entire power to the laptop. Stand-by only lowers power consumption as safty code is Camera battery.

The news Via laptop battery blog

 

Battery Type for difference use
Posted on Friday 16 October 2009 at 12:54 PM – 0 Comments – Post Comment – Link
Battery Type for difference use

Most traditional battery for electronic maintain a direction of movement to produce current, the laptop battery can be under the influence of the applied voltage is reflected in reverse occurs. Such as lead-acid batteries at the appropriate voltage to the battery HP COMPAQ HSTNN-IB05 battery HP EliteBook 8530w battery HP COMPAQ Business Notebook NX6110 battery charging, the two plates will be re-generated lead and lead dioxide. The secondary school had a lot of electrolytic hydrogen is generated during the reaction, hydrogen is difficult to return the electrolyte. Modern batteries use a variety of chemical substances to provide energy for the reaction.

A typical Dell laptop battery include: zinc-carbon batteries – (also known as the standard carbon batteries) all inexpensive AA-, C-and D-type zinc-carbon batteries are the use of chemicals. Electrode for zinc and carbon, using acidic paste between two poles liquid as the electrolyte. Alkaline batteries – used in common Duracell (duracell) and Energizer (Energizer) Digital Camera battery, the electrode for zinc and manganese dioxide, and use the alkaline electrolyte. Camera Lithium Battery – cameras use lithium batteries, lithium-iodide and lead iodide,

Because they can provide surge protection. Lead-acid batteries – used in cars, for lead and lead dioxide electrodes, and the use of strong acid electrolyte (rechargeable). Nickel-cadmium batteries – nickel hydroxide electrode and cadmium, and use potassium hydroxide as the electrolyte (rechargeable). Nickel-metal hydride batteries – these batteries will soon replace nickel-cadmium batteries, because the former there is no memory effect, while the latter exists (rechargeable).

Lithium-ion 40Y6797 Dell KD476 batteries – due to its excellent power-weight ratio, so that such batteries commonly used in high-end notebook computers and cell phones (rechargeable). Zinc-air batteries – these batteries, light weight, and can be charged. Zinc-mercury batteries – these batteries commonly used in hearing aids. Zinc-silver battery – due to have a good power-weight ratio, so that such batteries are used in aerospace ASUS EEE PC 1001px Batteryequipment. Metal chloride batteries – these batteries are used in electric vehicles.

The use of VGP-BPS2C battery-powered devices because of the need for voltage and current are different, we can not only use a single cell, usually the Aspire One battery battery cell in series together to form higher voltages, or to parallel together to form a higher current.

This is my earth battery illuminating 100 leds! I am using 2 supercaps (2.3 volt, 10 Farad each) in parallel with the earth battery to my modified Fuji Joule Thief circuit. This is connected to a string of 100 white leds Christmas lights which light up very well. I want to thank Jeanna over on the Joule Thief topic at Overunityodtcom for reminding me of what I did 2 years ago with a supercap and my first earth battery set-up. I had not remembered this and tried several times to get the Fuji JT circuit to fire but it would not. So, I listened to Jeanna and used the supercaps in parallel with the EB power source. (Earth Battery) I kept this short because I could not wait to process the video and upload it so my friends at Overunitydotcom could see it. In the near future, I will do longevity tests and also see if I can light some fluorescent tubes as well. I am very excited by this. If you want more details on how I have the EB hooked up, watch my earlier videos where I explain all of that. for more information, go to the Joule Thief topic at overunitydotcom. Thank you. Bill

---

Posted by admin on January 4th, 2011 :: Filed under Battery Lights
Tags :: batteries, charged, Light, These, Weight, Zincair

---

Battery Lights

Battery Operated Lights.

Battery operated lights have come a long way. Many people believe batteries are a fairly new invention. Did you know the first battery was invented in 1800? Or that the first flashlight was made in 1898? Now, those batteries were not the kind you and I think of today. They were actually quite unstable and not very reliable. Lets take a look at how battery lights came to be.

History of Lights.

Light has been used by man for a long time. Light gives our plants energy, which in turn feeds us. We also get vitamin D from light. Before modern scientific times, light was something that was thought just to be seen by our eyes. By the 1500′s and 1600′s though, telescopes, microscopes and new lenses were being invented. We could then see things on a smaller scope. Isaac Newton discovered the color spectrum in 1666. Soon the electric light bulb was invented by Thomas Edison. Light is useful in many aspects of our life. It helps us to see at night, directs traffic, helps us see while we read and gives us light for photography. It’s also useful in areas of health such as giving our food vitamin A, helping plants to grow and fights disease. We use light for everything now a days.

History of Batteries.

Batteries came on the scene around 1800. Batteries were invented by an Italian, Volta. They were rather unstable because they were wet cell batteries. For that reason, wet cell batteries were used to power stationary devices. In 1859, the first rechargeable battery was invented by Gaston Plante. Finally a dry cell battery was invented in 1887 by Carl Gassner that was much safer to use and portable. It changed the liquid material into a paste to make it more stable. In 1955, alkaline batteries were introduced to the public. Up until then, batteries had a short life and were very expensive.

Battery Lights, Together.

Batteries and lights came together. The first battery operated lights were flashlights. Today though, we have battery operated lights. Many Christmas tree lights are battery powered. It allows for mobility of your tree. Also, many people use battery lights for weddings. Battery operated lights are popular for outdoor weddings where electrical outlets are unavailable. You can also string the battery lights through the bouquets to make them shine at an evening ceremony. Actually, battery lights are popular for almost any occasion. The flexibility of battery operated lights allows them to be used almost anywhere.

LED Lights.

LED lights are becoming very popular. LED stands for light emitting diode. They use very little energy and put out much less heat. This attracts many people trying to save on their electric bill, especially with rising energy costs. LED lights are more expensive, right now, but the total cost of ownership is far less then the average incandescent light. LED lights produce more light than the average bulb, per watt. LED lights are the way of the future.

www.digikey.com – This video will demonstrate how to build your own battery operated Christmas lights to enjoy this holiday season.
Video Rating: 4 / 5

---

Posted by admin on December 5th, 2010 :: Filed under Battery Lights
Tags :: Battery, Lights

---