Jack's Space

Why battery standby time more shorter than manufacturers claim

Mon, 14 Dec 2009 09:27:32 GMT

Why battery standby time more shorter than manufacturers claim

All along, many consumers often complain that their laptop battery standby time is always shorter than the manufacturers claims. For this question, the laptop users must realize that. The original notebook manufacturers announced running time is standard time, that is the standard operating procedures time in the measured values. But the manufacturers want to make the value "more attractive".

So in the test time most manufacturers will reduce the notebook power consumption. For example: Lower notebook LCD screen's brightness , close the CD-ROM the wireless card infrared and Bluetooth; Donot run large-scale software in the operating system, play video, power management settings will be adjusted to optimal Dell XPS M140 Battery performance;

Or even just boot into the operating system and do not run any other programs. In this way CPU, hard drives, memory, screen and other equipment will be in a very low-power state. But users usually use the notebook in the normal power consumption. So users battery standby time is shorter than the manufactures claimes.

Laptop battery duration is very important for the users. Mobility is the soul of notebook advantage. If the laptop leave the power the Inspiron E1405 Battery is most important to run the laptop. So laptop battery standby time is an important indicator which can not be ignored.

For manufacturers, what is the point of the Apple PowerBook G4 15 inch Battery life? First of all, we all know, there are only two ways to increase the battery usage time. First is increase battery capacity, the second is to reduce the power consumption of the hardware. However, to manufacturers "added the amount of not to raise fares" is almost impossible.

In the hardware side, now the most laptop basic framework are similar, each brand notebook power consumption are in the same level. Only one possible way is to carry out some small manufacturers optimize the circuit, coupled with a number of specially developed software to reduce power consumption. So it would involve a technical issue, for same configuration laptop and same capacity PowerBook G4 12 inch Battery, longer battery life, the better laptop technology.

Second, the longer battery life can be used as a vendor hype of the highlights. That will help to improve their brand awareness. Finally longer Apple PowerBook G4 17 inch Battery life time is often able to attract many customers eye to buy the product. Which is the most important point to manufactures.

Because of the points mentioned above, in reality, manufacturers used to mislead consumers consumption practices. Because manufacturers customarily used such tactics and many users are fooled unaware of the circumstances. Thus giving rise to the use of laptop battery time and time does not match the nominal become the emergence of a widening trend.

The article Via laptop battery blog

Some laptop battery introduce

Sat, 12 Dec 2009 04:48:35 GMT

Some laptop battery introduce

Notebook emphasis on mobility, laptop battery is one of the key, the use of time has become increasingly the subject of attention, the author collected some information about this laptop battery information, and share with you

Let's start talking about the Dell Inspiron 1720 Battery materials, batteries used in notebook computers there have been three types: nickel-chromium batteries, nickel-metal hydride batteries, lithium batteries; they are generally expressed as: Ni-Cd Ni-Cd, Ni-MH Ni-MH, lithium Li.

The first laptop is to use Ni-Cd nickel-cadmium batteries, nickel-cadmium batteries because it has many drawbacks, such as: bulky, heavy weight, capacity, small, short life, there are memory effect and so on. As well as nickel-cadmium batteries have been eliminated, does not make sense to discuss it, we all know what to do.

There are now battery-Li Lithium-Ion battery and Ni-MH Ni-MH two kinds.

� In fact, can be divided into two kinds of lithium Pavilion DV5000 Battery s, a lithium electricity, the other is the lithium-ion batteries. Lithium-Ion battery in the early days there, but it is not safe when used often in charge when burning, bursting, it is because the lithium is too active reason. Then there is the improved version of the "lithium-ion batteries", which joined the element lithium can inhibit the active ingredients, so that lithium really achieve safe, efficient and convenient. While the old lithium battery and therefore eliminated. As to how to distinguish them from the battery's label will be able to identify, lithium battery for Li, lithium-ion battery for Li-ion. Now, laptops to use the so-called lithium, in fact, lithium-ion battery. Lithium-ion battery charge and discharge times in the 400-600 times, specially modified products, but many times 800.

If the charge once a day basis, the best lithium Latitude D620 Battery life of nothing but more than two years, so the laptop battery warranty period is also the longest of the year because of this Ni-MH battery is the most environmentally friendly battery, pay attention to environmental protection, national have strongly advocated the use of nickel-metal hydride batteries, because the ease of recycling, and the damage to the environment are minimal. However, nickel-metal hydride batteries and lithium compared, there are still some disadvantages: charging for a long time in weight than the sink capacity than lithium is small, there is a strong memory effect. It is the memory, while not as big as nickel-cadmium batteries, but still need to discharge, the user must be exhausted before charging.

However, the number of Ni-MH rechargeable Sony VGP-BPS8 batteries can be achieved for more than 700 times, some good quality product charge and discharge up to 1,200 times, more so, and lithium-ion battery, Ni-MH battery live longer than the lithium batteries, but also the price of nickel-metal hydride batteries have is much lower than the lithium batteries. This is the nickel-metal hydride battery can be the reasons for market share corner bar.

Currently on the market, whether it is lithium-ion batteries or Ni-MH Sony VGP-BPS9 Sony VGP-BPS9/B battery, its capacity sizes are based on mAh as a unit, its Chinese name is mAh. MA hours directly related to the size of the notebook usage time. But not the larger laptop battery the longer, which also linked to the notebook's components to decisions, such as: CPU, graphics card and so on, using the Centrino CPU, ATI-MOBILITY RADEON graphics cards and many other hardware and use of energy-saving technologies P4 CPU, NVIDIA notebook graphics card, compared with the same volume of electricity

Apple Battery indicator light function

Fri, 27 Nov 2009 01:21:41 GMT

Apple Battery indicator light function

Learn about the location and new functions of the battery indicator lights on MacBook (13-inch, Aluminum, Late 2008) and MacBook Pro (Late 2008) and later computers. These computers use a new, more convenient location for the battery indicator lights, when compared with previous models.

Products Affected
MacBook Pro battery (17-inch, Mid 2009), MacBook Pro (13-inch, Mid 2009), MacBook Pro (15-inch, Mid 2009), MacBook Pro (15-inch, 2.53GHz, Mid 2009), MacBook Pro (17-inch, Early 2009), MacBook (13-inch, Aluminum, Late 2008), MacBook Pro (15-inch, Late 2008)

The battery indicator lights are located along the left side of the computer. This allows for quick and easy verification of the Apple A1060 Apple A1079 battery's charge status while the computer remains solidly in-place.

When you press the battery indicator light button, the corresponding flashes (or pattern of flashes) presents either the current charge status or a diagnostic status.

The chart below describes the behaviors you may see when you press the Apple A1045 battery indicator light button.

The first LED flashes for 5 seconds. The battery has not yet been charged to what's required for a single indicator light. Ensure the MagSafe adapter is properly connected.
LEDs representing the current charge flash 5 times, then fade. The battery is charging, but does not have a full charge.
All LEDs flash 5 times. The Apple A1078 battery needs to be replaced. Please schedule a service appointment with either an Apple Retail Store or an Apple Authorized Service Provider.
LEDs flash from left to right and back again 5 times. The battery is not installed, or is not recognized. Verify that the battery is installed correctly.

Note: Once the MagSafe power adapter is first connected to the computer, the MagSafe's LED glows. An amber light indicates the iBook G4 Battery is charging. A green light indicates the battery is fully charged, or not installed correctly in the computer.

Tips for maximizing apple battery charge

Mon, 23 Nov 2009 11:03:48 GMT

Tips for maximizing apple battery charge

You can take some easy steps to prolong the charge of your Apple Macbook battery portable's .

Here are some simple settings and steps you can take to get the most out of your MacBook, MacBook Pro 13 inch battery , MacBook Air, iBook G4 or PowerBook G4 battery.

Optimize your battery settings in Energy Saver preferences

From the Apple menu, choose System Preferences.
From the View menu, choose Energy Saver.
Click Show Details.
Choose Battery or Battery Power from the "Settings for" pop-up menu.
Choose Longest or Better Battery Life from the Optimize Energy Settings pop-up menu.

These settings will put the hard disk to sleep whenever possible and reduce the computer's microprocessor performance in order to maximize its Apple A1175 battery life. If you are using processor-intensive applications, you may wish to change these settings so the microprocessor performance is no longer reduced.

Set your screen brightness to the lowest comfortable level

Press the F1 (dimmer) and F2 (brighter) keys to dim the screen until the brightness is as low as possible and the screen is still comfortable to look at.

Turn off unused features and technologies.

Just as you would turn off the lights in an unoccupied room, turning off unused features and technologies can help maximize your Apple A1185 battery life, too. Here are a few suggestions:

Eject CDs and DVDs you're no longer using. Every so often, the optical drive spins up to read CDs or DVDs. This consumes a small amount of power.
Disconnect peripherals when you're not using them. Connected peripherals, such as printers and digital cameras, can draw power from your Apple iBook G4 12 inch Battery even when you're not using them.
Shut down any runaway applications

If you're not in a location where you need to use AirPort or Bluetooth, you can turn them off to save A1008 A1012 power.

To turn off AirPort:

From the Apple menu, choose System Preferences.
From the View menu, choose Network.
From the Show selection, choose Network Port Configuration.
Uncheck Airport from the list.
Click Apply Now.

To turn off Bluetooth in Mac OS X 10.2 or later in Apple A1057 A1060 :

From the Apple menu, choose System Preferences.
From the View menu, choose Bluetooth.
Click the Settings tab.
Click Turn Bluetooth Off.

My shoppingg experience buying Dell inspiron E1505 accessories

Sat, 21 Nov 2009 04:00:25 GMT

My shoppingg experience buying Dell inspiron E1505 accessories

Two month ago, my Dell E1505 battery failed after its 1 year warranty. So I should buy a new one for my coming holiday in Hawaii. Now I will never shopping in Ebay or Amazon. As you know you buy someone there, and no guarantee of the product, also the money refund is impossible. And you can not cancel the order. So I decide use my paypal to buy the Dell inspiron E1505 battery.

I searched the Inspiron E1505 Battery in google and found search resault. Then I click some of them, after long time comparison I order a battery from http://www.discount-laptopbattery.com as Its price and 30 days money back and one year quality warranty. After 7days I recevied the battery and below is my battery using experience:

I was getting three red flashes and one green flash continuously on the battery light on the lower right side of the lid which according to the manual means defective battery which turned out to be true. I trashed the cheap Latitude D820 Battery (which I noticed was rated at 5200 ma vs the rating of 7200 on the Amazon battery)because I did not save the receipt. I am thrilled with this battery which is giving me about 3 hours before needing a charge, and charges to 100% overnight with no problem.

It works well with my 1505. I got 4 + hours out of this per charge. Saw some other people having problem with recognizing the batteries. When I was doing research for purchasing a replacement Latitude D620 Battery, I came across a lot of discussions online about Dell laptop not recognizing batteries. I wonder if that is a common issue with Dell. Luckily, mine has no problem. :) Everything is good. As long as it can last 1 year or so, It would be worth the money spent.

Owned for 5+ months. I am pleased with this Latitude D830 Battery I was glad to find it at a price much lower than Dell was selling it. It was a great buy. Product came right when I needed it and has worked great for me! Good battery life.

In all The battery is compatible and works well with the Vostro 1000. Instructions are confusing. I simply installed and followed good battery practices - completely charged the battery, completely drained the battery, then repeated.

In the end I saw some New batteries in this online shopping are in 35% price discount as the Merry Christams Day coming. I list them below with the brands:

Apple : A1008 Apple A1061 Apple A1148 Apple A1057 Apple iBook G4 12 inch battery Apple iBook G4 14 inch battery

Dell: Dell D5318 Dell 75uyf Dell C1295 Dell U4873 Dell Y9943 Dell G5266 Dell PC764 Dell GW240 Dell hd438 Dell KD186 Dell Y9943 Dell RN873 Dell TC030 Dell Inspiron 1721 Battery Inspiron 1521 Battery Dell Inspiron 1526 Battery Dell Latitude D520 Battery Dell Latitude D430 Battery Dell Latitude D810 Battery Dell XPS M140 Battery

HP & compaq: Pavilion DV5000 Battery HP Pavilion dv8000 Battery HP HSTNN-IB17 HP HSTNN-LB31 HP BP994A Compaq EVO N400c Battery Compaq EVO N410c Battery Compaq EVO N400 Battery Compaq EVO N410 Battery Compaq Evo N600 Battery Compaq Evo N600C Battery Compaq Evo N620C Battery Compaq Evo N610C Battery

IBM: IBM ThinkPad R61 Battery IBM ThinkPad T61 Battery IBM Thinkpad X61 Battery IBM Thinkpad X61S Battery LENOVO 40y6795 Lenovo 40y6797 IBM 40Y7003 IBM 40Y7001

Sony: PCGA-BP2EA VGP-BPS3A VGP-BPS4A Sony VGP-BPS8 VGP-BPS9 VGP-BPS9/B Sony VGP-BPS9A Sony VGP-BPS9A/B

In the end I hope you can find the best battery there as me.

How to Calibrate laptop battery

Wed, 18 Nov 2009 08:16:30 GMT

How to Calibrate laptop battery

After using for months, the battery get weak and cant fully discharge. Also in this situation the laptop battery's 76% even less in work.Now we need to Calibrate laptop battery. I found a note about recondition laptop battery from Dell laptop battery manufacturers handbook. Surprisingly, it offered some really helpful laptop battery calibration and maintenance tips, which Id like to share with you:

Calibrating a Battery Pack

When to Calibrate laptop battery
Even if a battery pack is heavily used, it should not be necessary to calibrate it more than once a month. It is not necessary to calibrate a new Dell GK479 pack before first use. However, make sure that the battery pack is fully charged, especially if it is the only power source.

Calibrate Dell 1721 Battery ack under the following conditions:
? When the battery status display seems inaccurate.
? When you observe a significant change in normal batteryrun time.
? When the battery pack has not been used for one monthor more.

How to Calibrate laptop battery
To Calibrate Inspiron 1501 Battery pack, you must fully charge, fully discharge, and then fully recharge the battery pack.

Charging the Battery Pack

Fully charge the Sony VGP-BPS8 battery pack when the notebook is in use. To charge the battery pack:
1. Insert the battery pack into the notebook.
2. Connect the notebook to external power through an AC adapter. (The battery light turns on.)
The battery light turns off when the battery pack is fully charged.

Discharging the Battery Pack

Disabling Hibernation
To fully discharge the battery pack, disable Hibernation temporarily.
To disable Hibernation:
? Select the Power Meter icon on the taskbar or access Power Options > Hibernate, and clear the Enable Hibernate support check box.

Discharging the battery Pack
After the battery light turns off, which indicates that the battery pack is fully charged, begin discharging the VGP-BPS8 VGP-BPS9 pack.

Sony battery

Select the Power Meter icon on the taskbar, or select Start > Control Panel > Performance and Maintenance > Power Options > Power Schemes.
Write down the 3 settings in the Plugged In column and the settings in the Running on Batteries column, so you can reset them after calibration.
Select the drop-down lists and set all 6 options in both columns to Never.
Select the OK button.
Disconnect the notebook from the external power source, but do not turn off the notebook.
Run the notebook on battery power until the battery pack is fully discharged. The battery light begins to blink when the battery pack has discharged to a low-battery condition. When the battery pack is fully discharged, the power/Standby light turns off and the notebook shuts down.

Toshiba laptop Battery

Connect the notebook to external power and keep the notebook connected until the battery pack is fully recharged and the battery light turns off. ?You can use the notebook while the battery pack is recharging, but the battery pack will charge faster if the notebook is turned off.
Select the Power Meter icon on the taskbar or select Start > Control Panel > Performance and Maintenance > PowerOptions > Power Schemes.
Reenter the 3 settings you wrote down for the 3 options in the Plugged In column and for the 3 options in the Running on Batteries column.
Select the OK button.

Now you already Calibrate laptop battery

The article Via Tblog Zoomblog

What is solar battery cell?

Wed, 11 Nov 2009 10:25:31 GMT

What is solar battery cell?

Let me view the introduce from the wikipedia

A solar cell or photovoltaic cell is a device that converts solar energy into electricity by the photovoltaic effect. Photovoltaics is the field of technology and research related to the application of solar cells as solar energy. Sometimes the term solar cell is reserved for devices intended specifically to capture energy from sunlight as laptop from Acer BATCL50L , while the term photovoltaic cell is used when the source is unspecified. Assemblies of cells are used to make solar modules, which may in turn be linked in photovoltaic arrays.

Simple explanation

1. Photons in sunlight hit the solar panel and are absorbed by semiconducting materials, such as silicon. 2. Electrons (negatively charged) are knocked loose from their atoms, allowing them to flow through the material to produce electricity. Due to the special composition of solar cells, only allow the electrons to move in a single direction. The complementary positive charges that are also created (like bubbles) are called holes and flow in the direction opposite of the electrons in a silicon solar panel. 3. An array of solar panels converts solar energy into a usable amount of direct current (DC) electricity as Dell KD476.

Solar battery chargers are better for the environment in a few ways. For one, with them, batteries can be recharged, therefore no longer contributing to growing landfills. Also, batteries have potentially harmful metals inside them C we do not want to be simply throwing them out into landfills!

Also, if using batteries that can be recharged with a solar battery charger like Dell U4873 DC Aadapter , a person can stop wasting his or her money on the purchase of new batteries.

The batteries of cell phones, PDAs, laptops, mp3 players, and more can be charged by solar battery chargers. This means that you do not have to rely on electricity to charge these devices. This is especially good because most electricity is created by non-sustainable, polluting methods.

Solar battery chargers are also good because they allow the users to charge devices, even when no power outlets are around. This makes them especially useful when working out in the field, traveling, hiking, and/or during an emergency with Dell Inspiron 1300 Battery .

It does not matter if you use a 12 volt solar battery charger, a solar car battery charger, or any other type of charger C the use of any solar battery charger is going to help alleviate waste. By supporting and using solar battery chargers and other sustainable technology, you can help make a difference in todays world.

The solar cells positive terminal is connected through the diode to the positive terminal of the 1.2V battery. If the voltage of the solar cell drops below 1.4 volts then with the 0.2V the blocking diode takes there wont be enough potential to charge the 1.2V battery. The purpose of the diode is to disallow current dissipating out from the battery to the solar cell when this low voltage situation occurs in the solar cell.

Where can buy solar battery charger?

In this store they stock the most major brands and models laptop battery such as : Dell IN SPIRON 5100 Battery Dell Inspiron 6000 Battery Dell Inspiron E1505 Battery Dell Inspiron E1705 Battery All in a secure and convenient platform. Now save your money and time.

Usually the solar battery charger are used in camera and camcorder, and placed on the packbag as follow :

But how to use a battery solar charger ?

The solar cells positive terminal is connected through the diode to the positive terminal of the 1.2V battery. If the voltage of the solar cell drops below 1.4 volts then with the 0.2V the blocking diode takes there wont be enough potential to charge the 1.2V Dell Latitude D510 Battery . The purpose of the diode is to disallow current dissipating out from the battery to the solar cell when this low voltage situation occurs in the solar cell.

The more info in this: solar battery charge

Usually Solar battery charger can used in digital camera battery when you take photos in the open air.

Use different stand to cooling the laptop

Tue, 03 Nov 2009 04:10:11 GMT

Use different stand to cooling the laptop

If your latop's cooling system is working properly, you can still do more. Strange fact is that when you use a laptop with a laptop battery on your laptop, you always ask for laptop overheating. Any soft objects may be blocking the cooling system of the ventilation holes. It also can cause heat to get caught underneath the unit. That is why people would burn their laptop.

However, heat buildup can even happen when the laptop sits directly on a desk using a laptop battery.

There are different ways to avoid this buildup. A latop stand to keep the bottom of the notebook and your use of the surface of the table some distance intervals in Apple A105 and Apple A1079,. It created the basic space, the heat can disappear. A type of stand are usually flat, legs are short, thin surface of the type, you can lay in your lap or desk. With an air-inch notebook PC 2, the heat can easily escape, and the airflow through the vents have been completely open.

Sometimes, a stand may be caused by an act of special materials such as aluminum heat in Inspiron 1100 Battery,. This device will actively utilize heat out of notebook cooling further assistance. Another approach is to a laptop pad or pad. In this approach, we hope that with the aluminum heat sink, you put the device active thermal management surfaces. This could mean that trap heat insulation pad notebook coming out to protect your lap. It could also mean that, on the positive development of built-in cooling fan out of thick pad.

Although you can from any electronics store or retailer to buy dozens of these cool online tools for your Inspiron E1505 Battery, one of the things you might at home, and now you can use. A small strip camping tables can be used as a stand notebook. Therefore, we can use large baking rack (can be used for cooling cookies) to do a stand.

One thing to remember is that the heat characteristics of your laptop are always changing, depending on age, environment and power usage. So even if you get yourself the perfect cooling setup, you might want to install some sort of heat-monitoring software in PA3450U-1BRS, PA3451U-1BRS. It'll help you be more aware of your laptop's fluctuating temperatures and learn how different situations can increase the heat.

The article is from laptop battery blog

Dell inspiron 1520 battery review

Sat, 31 Oct 2009 03:08:23 GMT

Dell inspiron 1520 battery review

The update of Dell's popular inspiron E1505 battery, the Inspiron 1520 has generated a lot of interest in the notebook community. It features a complete design update, the new Intel Santa Rosa platform, and the best graphics card Dell has ever offered in a laptop of this size.

The battery Inspiron 1520 is compatible with Dell notebooks including the Inspiron 1520, and replace the Dell battery code : 312-0518, 312-0589, 312-0590, 312-0594, 451-10477, fp282, gk479, nr239. This product comes with 1 year limited warranty.

The Dell inspiron 1520 battery Specs :

Battery Type: LI-ION
Technology : 6-cell lithium ion
Capacity: 49WH
Dimension: 201.2*47.1*20.3mm
Weight: 325g
Manufacturer Part# : FP282
Also work with : Dell Inspiron 1520 battery , Dell Inspiron 1521 battery , Dell Inspiron 1720 battery , Dell Inspiron 1721 battery , Dell Vostro 1500 battery , Dell Vostro 1700 battery

Effective laptop battery life under heavy processor load with high performance settings appears to be about three hours with the 9-cell battery. You could probably extend that to four hours or more by disabling wireless, turning down screen brightness, and using less intensive applications. The 9-cell battery does extend about 3/4�� from the back of the laptop, but this does not seem especially noticeable given the already larger size of the notebook.

Customer Ratings :

So every year or so I'm expected to shell out ~$150 for a new inspiron 1520 battery? Mine stopped working shortly after one year. When I plug it in vista says "Battery 0%, NOT CHARGING" now, so I cannot use the laptop unless I am somewhere where I can plug it in. Great!
Not to mention it took almost 3 months for Dell to even ship this thing to me in the first place. I've been buying Dell computers for 10 years but not anymore

I used to have the 9-cell Dell 1520 battery before it had to be replaced, and the 6-cell doesn't compare. The 9-cell lasted a lot longer without having to be recharged. Overall the battery is fair considering that it is the only one you can buy for the Inspiron 1520. It will last you for about a year, then be ready to buy a new one.

The article from : Laptop battery blog

How to clean notebook cooling system

Sat, 31 Oct 2009 03:06:02 GMT

How to clean notebook cooling system

My main computer is a HP zv5000 battery- it uses the fan and heat sinks to cool the processor. By using these heat sink (copper?), And piping to collect a lot to reduce the cooling capacity of the machine a little dust. If you do not have this particular machine, do not worry. To use some common sense as long as the basic idea is the same.

Steps 1Tools and supplies a first step

You need two things: Q technique and a screwdriver you first remove the battery (which may be really good! Step, but thoroughly). Unscrew the cap Ram - in order to easily remove the other cover. You need to remove the plastic cover behind the battery button - to delete any necessary screws and retain traces of where they came from (I have some longer than usual)

Fan-step 2 Removing bile duct / month

Carefully remove the plastic shell. It should not be very strong - if very tight, go back and look for missing screws. Now, we have to eliminate some small screws to hold these two lovely task of duct fan / month. I use a magnetic prompted a # 1 screwdriver. It saved my tools, because I can easily drop or lose those screws as laptop battery.

Step 3 Clean

Use your Q-corner and wipe away any dust off the fan blades, etc. from the heat sink. I think you could use some compressed air, but I do not have any and can be everything. When you're done, re-assembly, start the notebook with your HP laptop battery.

The article from laptop battery blog