Posts tagged Usage

Laptop battery charger usage


Laptop battery charger usage

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Constant attention to usage of notebook battery

Notebook Batteries
by Xesc

Constant attention to usage of notebook battery

This is why the notebook battery will be worse after a long time. Please do not let the notebook battery be under the blazing sun for quite a long time and prevent it becoming damp. The more it is charged, the shorter its life will be. We suggest you use the external source. If you want to pull out of the source, you may firstly take out of the battery. Then, you can use the notebook 30 minutes later.

I can not sure about how to well use a wholesale camera battery and I do not know it clearly. The li-ion battery of notebook can only be charged and discharged for about less than 800 times. The source’s linkage with electricity will charge the battery one time. Once we mentioned some about maintaining the notebook battery. Moreover, chemical liquid is another bad thing for battery.

Fortunately it is not costly of the mobile phone rechargeable battery. Something different on the notebook battery. The battery contact must refrain from meeting metal object, or the short-circuit will happen then.

This is safer way. When we charge the notebook, we shall not forget shutting off the notebook, by doing this can we fully charge the battery. Recently Jacky found something wrong with the rechargeable battery of his mobile. But one thing he forgot was his frequency of charging. Do not pull off the cahrge plug while charging. Half an hour’s time will be saved if you power off the notebook and then charge its battery, and this do no harm to bettery.

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Laptop battery usage misunderstanding


Laptop battery usage misunderstanding

Article by Car Battery Maintenance,car battery tips

Laptop battery usage misunderstanding – Computers – Hardware

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The activation of a new battery

A rumor: new Dell latitude d505 battery charge and discharge cycles should be a way to activate battery performance.

Truth: This argument is not exactly a rumor. Battery from the factory to the hands of users there is a time lag as short as one month to six months. For longer battery time difference, the electrode materials will be passive, so manufacturers recommend the initial use of the battery is best for 3 to 5 times fully charge and discharge processes in order to eliminate electrode materials passivation, to reach maximum capacity. But usually do not pay attention to remind consumers to manufacturers mentioned here should not be the complete charge and discharge depth of discharge, but should be controlled at 5% to 8% either. Otherwise, a new battery is likely to be scrapped.

“The first three” charge

Second rumor: When buy a new Dell studio 1735 Battery , the best three times charge and discharge cycles, charging time should not exceed 12 hours in order to activate the battery maximum effectiveness.

Truth: Ni-MH battery in order to achieve the perfect saturation, need to go through “complementary” and “trickle” process, this time is generally about 5 hours. At present, lithium-ion batteries “constant”, “constant” charge characteristics is to control the depth charge time 4 hours. Once filled, the internal battery will automatically stop charging protection circuit, so this is not scientific nor practical significance.

Some people have been tested using a mobile phone. Charger with a travel charger in the battery is fully charged, switch to the battery cradle charger to confirm the degree of saturation. When he discovered still on the battery charger cradle to charge, they think that the battery has not yet reached saturation. In fact, this lack of rigorous testing methods. The reason is that the indicator does not detect the cradle charger, saturated or not really the only standard reference voltage charger cradle the phone does not necessarily mean the reference voltage, so when the phone is that the battery reached, cradle charger may not think so, still charging, but is filling in, the only of its own know.


Rumor three: as long as rechargeable IBM thinkpad r51 battery used properly, it will cycle within a certain period there best to achieve maximum capacity.

Such as early nickel hydride and nickel cadmium batteries, if used properly, regular maintenance, will be 10 to 200 cycles points to reach its maximum capacity (the factory’s capacity is 1000mAh Ni-MH battery in the loop 100 times, the capacity may to 1100mAh).

Truth: It’s a battery in the Japanese products are more common in the technical specification of the cyclical nature of the figure usually seen. However, the current mainstream lithium-ion battery, this cycle peak phenomenon does not exist. Because the lithium-ion battery from the factory to the scrap, the performance of its capacity a little time for the loop, never had the capacity rebound phenomenon. Maybe a friend will ask some of the ThinkPad notebook users to deep discharge, you can restore the battery capacity. In fact it is only testing the software error detection only, the actual capacity of the battery did not improve.

Lithium-ion battery in the end there is no best? The answer is yes, it suffered with the ambient temperature change. In general, lithium ion batteries in 25 ~ 40 environment would show excellent performance. And by the low or high temperature state, its performance is being reduced. For example, you direct sunlight outdoors using a laptop computer cases, there is no longer used indoors.


Rumor four: two nominal capacity of the same (for example, 800mAh) batteries, if an actual measured capacity of 860mAh, the other is 805mAh, so 860mAH’s certainly better than the 805mAh’s.

Truth: In general, the different models (different sizes) of the lithium-ion panasonic cga-du21 battery, the higher the capacity the longer use. If the size and weight and other factors aside, of course, the higher capacity the better. However, the same for the two nominal capacity (for example, the above example) may not be the battery. Because the actual high capacity battery that, probably added in the electrode material used to increase the initial capacity of the material, reducing the stability of the electrode material used. As a result, dozens of the loop on the performance after the rapid decay of high capacity piece, while the capacity is still low strong. Many domestic manufacturers in order to cut costs, expand sales, often used this means to produce high-capacity battery. Users will find that after six months in the use of work time is much shorter. In short, the price increase capacity is to sacrifice life cycle, manufacturers are not material battery down the article, it is impossible to truly improve the battery capacity

Battery Save

Rumor five: If you do not use rechargeable batteries, should shine a power save.

Truth: In fact, not only has the above-mentioned rumors, full of lithium-ion battery in the end the preservation of the preservation or shine is sure to make many people confused? Answer to this question from the congenital defect about, that is “aging effect.” Lithium-ion battery olympus li-40b charger in storage for some time, even without recycling, will be part of their permanent loss of capacity, because the lithium-ion battery anode material from the factory when they began their failure in history. Different temperatures and the saturation level of the rate of aging is different under the specific range can be seen in the table below.

Thus, the higher the storage temperature, the more full battery charge, the greater the magnitude of capacity. Therefore, lithium-ion battery for long-term preservation, the user should be controlled at 40% capacity, and stored at 15 or lower temperatures can be. As for nickel-metal hydride and nickel cadmium batteries do not exist in this “aging effect”, after just a few long-term storage of full charge and discharge can be restored to its original capacity.

Sufficient follow-up to full power

Rumors of six: to charge the battery when the power is full of red adjourned after the charge 1 to 2 hours, this is conducive to enhancing the saturation of the battery.

Truth: laptop IBM thinkpad t43 battery generally overcurrent protection circuit, full power will automatically cut off the charging circuit, power supply equipment only to notebook, even if the battery and then charge 10 hours to no effect.

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Top-15 Laptop Battery Usage Tips


Top-15 Laptop Battery Usage Tips

Top-15 Laptop Battery Usage Tips:

1. New Laptop battery pack must be fully charged and discharged before use.
2. New Laptop battery pack needs to be fully charged and discharged (cycled) 2-3 times before it can condition to full capacity.
3. Laptop batteries undergo self-discharging when left unused. Always store a laptop battery pack in a fully charged stage for storage.
4. Fully drain and fully recharge your laptop battery pack every 1 or 2 months.
5. Turn down the LCD brightness of your Laptop notebook.
6. Use built-in power management on your Laptop notebook.
7. Turn off LCD or other unnecessary accessories when not in use.
8. Add more RAM if you have extra RAM expansion slot, it will reduce the usage of hard drive and it is power exhaustive.
9. Close unused software in your Laptop notebook.
10. Remove unused PC cards or usb devices from your laptop notebook.
11. It is better not watch films or play graphics intensive video games.
12. Don’t short circuit terminal or store your laptop battery pack with metal parts.
13. Don’t drop or mutilate the laptop battery pack.
14. Don’t expose to moisture or water.
15. It is normal to get warm when charging or normal use. If it is getting too hot, there may be a problem with your laptop notebook and qualified personnel should check it.

Some other useful informaiton for laptop batteries:

How long does a laptop battery last?
The life span of a Notebook battery is about 1.5 to 3 years operating under normal conditions. As rechargeable laptop battery begins to die, the user will notice a decline in the running time of the battery.

The Rating for laptop Battery
V(olts): The voltage of the new laptop battery should always match the voltage of the original.
mAh: It standards for milli-Amp hours (1 mAh=0.001Ah), High amp-hour ratings means a longer run-time and will not cause incompatibilities.


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Laptop Battery Basics and Usage Tips


Laptop Battery Basics and Usage Tips

Laptop battery is very much essential for the usage of laptop, because without battery it is not possible to use it on the move, as it requires a power outlet. So as a main accessory for the usage of the laptop, the battery must be in a good condition and work properly. Some of the general tips for laptop care are to avoid extreme temperatures, and not to leave the laptop outside in cold weather or in high heat, as cold batteries cannot generate much power and hot batteries will discharge very soon. Charge the battery whenever it is necessary and when the electrical power is available. The battery charge is indicated in the taskbar of the laptop, which shows the current battery capacity and remaining time. When a laptop is used as a replacement of desktop the battery should not be left in for long time. Battery must be re installed every three to four weeks and allowed to fully discharge.

Smaller the battery better are its functionalities. For instance take into consideration an ultra portable or thin and light battery rather than a bigger one.

Power control settings must be adjusted accordingly as the laptop will go inactive after a specified time which is beneficial for the battery.

Adjust the screen brightness to lower setting according to the working conditions or the place of work which will save the power.

Battery consumption must be noticed often, so that the battery power will be in control. In this case the battery charge indicator must be on the task bar .

Charge the battery whenever necessary and when the power source is available. Especially you are on travel; charge the battery fully as electrical outlets may not be available at the destination.

Clean the batteries and their connections often. It must be done by using a cotton swab and alcohol. Don’t keep the laptop idle for long period of time without using the battery. Using the laptop to play games or to watch movies or multimedia activities will drain the battery soon. Laptop speaker volume must be kept in mute or decreased to low level. Don’t run any program directly from a CD or DVD, instead it can be copied to the hard drive and can be used, which will consume less power.

Before the first use, a new battery must be charged fully. Then the battery has to be charged twice or thrice for achieving maximum capacity. If the battery is not used for more than a month, it is better to be removed from the laptop and stored in a cool or dry or clean place. Again the stored battery has to be recharged before use till it reaches its maximum capacity. Laptop batteries last for longer period if they are stored in a cool place and maintained properly.

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Proper laptop battery usage guide


Proper laptop battery usage guide

Memory Effect

First of all it’s necessary to unfold a myth that persists in many peoples head.
The battery memory effect.

In lithium-based batteries this is in fact a myth, it only applies to older Niquel-based batteries. So fully discharging and charging the battery is completely useless and even harmful as we will see below.

The modern lithium battery can be charged regardless of its current percentage, given that it has absolutely no negative effect in its performance.

Should I remove the battery when A/C is plugged in?

Many laptop users have this question and we will answer it right now:
The answer is: YES and NO, it depends on the situation.

Having a battery fully charged and the laptop plugged in is not harmful, because as soon as the charge level reaches 100% the battery stops receiving charging energy and this energy is bypassed directly to the power supply system of the laptop.

However there’s a disadvantage in keeping the battery in its socket when the laptop is plugged in, but only if it’s currently suffering from excessive heating caused by the laptop hardware.


- In a normal usage, if the laptop doesn’t get too hot (CPU and Hard Disk around 40ºC to 50ºC) the battery should remain in the laptop socket;

- In an intensive usage which leads to a large amount of heat produced (i.e. Games, temperatures above 60ºC) the battery should be removed from the socket in order to prevent unwanted heating.

The heat, among the fact that it has 100% of charge, is the great enemy of the lithium battery and not the plug, as many might think so.

Battery discharges

Full battery discharges (until laptop power shutdown, 0%) should be avoided, because this stresses the battery a lot and can even damage it. It’s recommended to perform partial discharges to capacity levels of 20~30% and frequent charges, instead of performing a full discharging followed by a full charging.

Laptop batteries contain a capacity gauge that allows us to know the exact amount of energy stored. However, due to the charging/discharging cycles, this sensor tends to be inaccurate overtime.

Some laptops include in their BIOS, tools to recalibrate this battery gauge, which is nothing more than a full discharge followed by a full charge.
So to calibrate the gauge, it should be performed, in every 30 discharge cycles, a full discharge non-stop , followed by a also, non-stop, full charge.

An inaccurate gauge can lead to the fact that the the battery capacity values are are wrong. The battery may report that it still has 10% of capacity when in fact it has a much lower value, and this causes the computer to shutdown unexpectedly.

Discharge (or charge) cycles consist of using all that battery charge (100%) but not necessarily all at once.

For example, you can use the laptop for some minutes in a day, using half its capacity e then fully charge it. If you did the same thing in the next day, it would be counted a discharge cycle and not two, so it may take several days until a full discharge cycle is completed.

How to perform a calibration (full discharge)?

The most adequate method to do a full discharge (100% to about 3%) consists of the following procedures:

1. Fully charge the battery to its maximum capacity (100%);
2. Let the battery “rest” fully charged for 2 hours or more. You may use the computer normally within this period;
3. Go to your Power Options in the Control Panel and configure the automatic hibernation to hibernate the computer when it reaches 3% of capacity;
4. Leave the computer discharging, non-stop, until it hibernates itself. You may use the computer normally within this period;
5. When the computer shuts down completely, let it stay in the hibernation state for 5 hours or even more;
6. Plug the computer to the A/C power to perform a full charge non-stop until its maximum capacity (100%). You may use the computer normally within this period.

Prolonged storage

To store a battery for long periods of time, its charge capacity should be around 40% and it should be stored in a place as fresh and dry as possible. A fridge can be used (0ºC – 10ºC), but only if the battery stays isolated from any humidity.
One must say again that the battery’s worst enemy is the heat, so leaving the laptop in the car in a hot summer day is half way to kill the battery.

Purchasing a replacement battery

If you intend to purchase another battery, it’s recommended that you do it only when the current battery is very degraded. If it’s not the case, the non usage of a battery leads to its degradation.
If a spare battery is purchased and won’t be used for a long time, the above storage method should be used.
Besides that, when purchasing a battery you must pay attention to the manufacturing date.

Advantages in using BatteryCare

BatteryCare allows you to have the control over the discharge cycles number, and when this reaches 30 (or other configured value), it notifies you that it’s time to perform a full discharge in order to keep the battery gauge calibrated.
Like this, it’s guaranteed to always have the correct capacity values reported by the battery.

Besides, when using the battery, there’s the possibility to suspend some Operating System features that help degrading the autonomy (only in Windows Vista or higher):

- Windows Aero, the theme that allows for visual effects like window transparency, requires graphics card acceleration, which obviously will help decreasing the battery lifetime;

- SuperFetch, ReadyBoost and SearchIndexer are three Windows Vista (and higher) services that, even in battery mode, are using the hard disk a lot and increase total power consumption, thus decreasing battery lifetime. Suspending these services has absolutely no negative impact on the performance or security of the system.

These features are resumed once the laptop is plugged in to A/C power.

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Dell Laptop Battery Usage Tips


Dell Laptop Battery Usage Tips

If you find yourself with no electrical adapter or power source and need your battery to operate for as long as possible, here are a few tips you can try when your laptop computer is in battery mode:
1. Use the laptop’s power management system
In Microsoft Windows the “Power Options” power management application can be found inside the Control Panel. In the Power Options Properties tab select the “Portable/Laptop” power scheme. Many laptop manufactories also provide their own custom power management applications, which help to optimize power usage and extend Battery time.
2. Turn down the display brightness
You can lower the LCD brightness level to use less energy. In fact a lower brightness level also strains the eyes less and causes less fatigue.
3. Close any unused applications
Applications are a burden on the system and require energy to run. Closing any unused applications will reduce that burden and any energy consumption down the line.
4. Remove any unused PC Cards or USB devices from your laptop
These devices require energy even when they sit idle, so removing them can help to extend your dell xps m1330 battery time.
5. Disable Wireless LAN or Bluetooth network adapter when not in use
Ditto for the Wireless LAN or Bluetooth network adapters.
6. Increase system memory
Your computer stores data for use by the CPU in system memory or as virtual memory in the hard drive. Increasing system memory helps to reduce the system’s reliance on the hard drive, which uses more energy than system memory.
7. Reduce unnecessary optical drive operation/activity
Avoid activities that require your optical drive to operate constantly, such as listening to CDs.
8. Avoid graphics intensive applications
The laptop system will run in a high performance settings when using these applications, causing the battery to run down at a very quick rate.

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