Posts tagged Capacity

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Sanyo Eneloop Battery Voltage and Capacity

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$ 143-US, High Capacity Solar Charger Battery for PC Laptop + Mobile Phone, 1st Shopping Channel

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Trojan Tips 7 – Understanding Battery Capacity & Life Expectations

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Learn more about battery capacity ratings, tips on achieving maximum capacity, the signs of aging batteries, and how depth of discharge measurements relate to overall battery life.


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Restore the capacity of the notebook computer batteries

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Notebook Battery
by Pitel

Restore the capacity of the notebook computer batteries

The author’s laptops with standard a lithium battery (14.4 V, 3.2 AHr), computer just buy back when negroponte battery can be more than two hours. In view of lithium battery basically no memory effects, and the battery charging system with intelligence on batteries, so not special maintenance, just in the first full charge when using several times to activate cell, peacetime mostly used communication power supply, use the battery power adapter is the time is not long. After more than a year, the laptop battery capacity have much less effective, and each can insist to use half an hour.

Based on the data access that: to ensure the battery has a long life and good charging and discharging characteristics, best every month to completely discharge once, the upcoming power management attribute inactivity and standby mode closed, and close notebook “battery shortage alarm” and “battery, serious shortage alarm” for batteries later, computer automatic shutdown until discharge thus can watch, and calibration power extending battery life.

So the author every few days full charge to the battery once, but battery capacity or more and more small, shown as a rechargeable full, use over. Clearly shows the battery charger is full already, unplug the ac adapter, the system to begin immediately shut down, then boot is not enter operating system would have no electricity.

How to restore laptop battery capacity? Some brand (such as IBM) notebook computer provides special battery refresh procedures, the use of process control battery depth discharge, the effect is very good, but the author laptop not incidental to such tools.

The author consulting special maintenance center, was told that laptop battery life usually only one year, and cannot repair, can replace new battery, and new buy a cell needs to 1500 yuan, the author had to reassure the same way.

Don’t the batteries died? Since can through the procedure control charge-discharge to restore battery performance, it can not directly discharge to solve these problems? The answer is yes. The key is how to confirm the battery is negative. This laptop battery is negative, because from external hard to identify, and tucked deep electrodes to have multiple terminals, terminal external and grille protection, even the very fine multimeter pen can only apart by the battery.

Use a word screwdriver carefully pry the plastic shell, laptop battery with electrodes along from one end to pry the juncture when shell, operation must be careful, otherwise easy will end of the department of charging protection circuit board pry bad or will battery core thorn bad. Ravel shell can be clearly seen after internal structure: shell battery with tenon clasp and powerful adhesive connect into one of the opposite by four groups, battery core series and parallel into, each quarter full voltage in core, battery pack enough about 4.2 V 17V after power voltage close, I just apart when 15.97 V battery voltage, and also compared to high, but now use the battery has already cannot start the computer.

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Notebook Battery Maintenance Skills to Calibrate Your Battery Capacity

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Notebook Battery Maintenance Skills to Calibrate Your Battery Capacity

Article by Helenwang

Notebook Battery Maintenance Skills to Calibrate Your Battery Capacity – Technology – Electronics

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Laptop battery place for too long its internal charge-discharge curve will produce offset, we need to use some method, charge and discharge several times, to amend the charge and discharge curves. Before introducing the method, we first look at the battery maintenance, proper maintenance can extend battery life, which can allow the computer to better work for us.

1, the battery just bought back the charge and discharge activate it?Do not need that, because the batteries do not need the so-called charge-discharge activated laptop now has a management circuit charge and discharge, as long as the battery is fully charged would not be in charge, and therefore do not need to charge 12 hours, or three times.

2, the laptop battery life count?Notebook battery life refers to the number of cycles of complete charge and discharge, quality qualified products are generally 500-600 times, if once only charge 50% of the electricity, then count 1/2 cycles. Some people like the exhaustion of the power then plug the power, in fact, not nec batteriesessary. And so the depth of discharge but it will lithium cause a relatively large impact. At any time to ensure that the battery is the best option on the machine, either the dust but also to prevent a sudden power failure. Actually laptop reaches a certain level (for example, I set the 95% charge) the battery is not even plug in an external power supply will not charge, it would be to avoid the frequent charge and discharge protection measures.

3, the battery is not the best starts at the frozen box?In fact lithium battery power loss with the use of the environment, especially temperature affect the maintenance of power. The following are the four kinds of temperature, charge state of 40% and 100%, place one year after the rest of the power contrast. (Percentage of saturation at the time the relative percentage of the initial value)

Therefore, experts suggest that if the battery is long-term not be better placed in the refrigerator to save…

Teach you to calibrate your battery capacity

Why do we need correction notebook battery battery capacity? Battery capacity with the service life is slowly reduced, if not corrected records the actual capacity of the power management module, your battery will be sufficient dissatisfaction with the situation (has been 98%, 97%), which means that the system records the battery capacity or just the factory when the maximum capacity. If you deviate from the many, they would send the wrong signal to the charging circuit. Therefore recommended that every three months to conduct a capacity correction.

Battery calibration method:

1, the use of correction software under Windows.Battery correction software vendors, in fact, very simple to complete, below is a screenshot. Follow the prompts to turn off all the application software, plug in an external power supply, first full then discharge will be corrected successfully.

2, to manually set the correct battery capacityOf course, if your machine does not have calibration software, you can manually set, you can access the control panel inside the power management module, Win7 system the lower right corner of the taskbar has a “battery (charging plug)” signs. Click More Options, the following items to tune into the “never”, and then close all the software and Wifi.

And then set up more advanced power management to the project which can adjust the power management rules, we need to set the project as shown below: 3% critical battery level, low power notification off, all the warnings transferred into a closed, all operations transferred into a Do not take any action.

After this, we will be unplugged, wait for the battery power consumption of dry, and then will automatically shut down. At this point, then an external power supply plug, until it is fully charged, thus completing a full power corrective action.

Summary: The laptop battery will not long set for a long time do not really need the place for some time it’s best to charge and discharge once every few months. Not often the battery power consumption of dry charge, electricity (3%) loss of depth of discharge of the battery is relatively large. Normal use the batteries recommended three months to do a power correction, always know the battery condition.

About the Author

As a reliable supplier of laptop battery, kinds of Msi Laptop batteries batteries and so on, we always offer the highest quality products for our customers, and we are working hard to make your online shopping easy, fast, convenient and Safe.

Use and distribution of this article is subject to our Publisher Guidelines
whereby the original author’s information and copyright must be included.

Helenwang



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As a reliable supplier of laptop battery, kinds of Msi Laptop batteries batteries and so on, we always offer the highest quality products for our customers, and we are working hard to make your online shopping easy, fast, convenient and Safe.












Use and distribution of this article is subject to our Publisher Guidelines
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The capacity of notebook batteries

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Notebook Battery
by liewcf

The capacity of notebook batteries

Article by udtekbattery

The capacity of notebook batteries – Computers – Hardware

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Notebook batteries consist of individual cells,such as a 6-cell battery.Is there any way to estimate the overall capacity of a notebook battery from the number of its cells? How much capacity does such a cell typically have?

When selecting a notebook battery,such as hp pavilion dv6000 battery udtekHP/Compaq Pavilion DV6000 Battery 12-cells 8800MAH Description:Cell Type: Li-ion, 12-cellsVoltage: 10.8VCapacity: 8800MAHUL certificated cells inside!

http://www.udtek.com/hpcompaq-pavilion-dv6000-battery-12cells-8800mah-p-20875.html

manufacturers will often list an amount of “cells,” where each cell has a certain capacity; thus a 9 cell has 50% more capacity than an equal model 6-cell battery. That is useful for comparing directly, but the story is more complex if you wanted to compare different batteries on different laptops. Batteries have a voltage rating (V) and milli-Amp hours (mAH), which, if multiplied together, give you milliwatt hours.

For example, a 14.8 V battery with 4460 mAH gives you 66,000 milliwatt hours (66 watt-hours). You can compare laptop batteries this way, but also keep in mind that different laptops have very different power requirements that vary based on the components and how well the operating system manages power consumption. Typically, bigger, heavier batteries will give you a higher watt-hour rating. A 6-cell battery may be the same form factor as a 9-cell, but the 6-cell will weigh less since there’s less chemical in it to hold onto that charge.

If you are a mobile warrior, you will want the most cells and/or most watt-hours you can get into your model so you can go 5 or 6 hours without a recharge. It is so painful to run out of power before you are ready. ” And here I suggest you a online-shop to buy good notebook batteries.My friends have bought from udtek.com.There are many computers hardwares on udtek.com. She thought it’s a good service, fast shipping shop,and high quality shop.May be it’s good idea for us to see what products we need.

About the Author

Notebook batteries consist of individual cells,such as a 6-cell battery.Is there any way to estimate the overall capacity of a notebook battery from the number of its cells? How much capacity does such a cell typically have?

Use and distribution of this article is subject to our Publisher Guidelines
whereby the original author’s information and copyright must be included.

udtekbattery



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Notebook batteries consist of individual cells,such as a 6-cell battery.Is there any way to estimate the overall capacity of a notebook battery from the number of its cells? How much capacity does such a cell typically have?












Use and distribution of this article is subject to our Publisher Guidelines
whereby the original author’s information and copyright must be included.


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How to Find the TRUE Capacity of your Laptop Battery

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UPDATE: Try this free battery app at Free Cong for something quicker www.freecong.com www.freecong.com Tired of buying laptop batteries with FAKE capacities written on them? Find out the true capacity of your laptop battery or the capacity on your current battery. http
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EEVblog #140 – Battery Capacity Tutorial

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Ever wanted to know what battery capacity is? Dave takes you through everything you need to know about amp-hours, mAh, watt hours, internal or series resistance, temperature effects, battery cutoff voltages, and characteristic curves. Part 2 coming soon.
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