- As we know ,when we buy a new laptop battery such as my hp dv8000 battery that we don’t know the best way to use it .
Original HP Pavilion dv8000 Battery 8 cells 4400mAh Description:
Voltage: 14.4V
Capacity: 4400mAh
Type: Li-ion, 8 cells
Color: Dark Grey
Dimension:
205.40 x 69.80 x 20.90 mm
Status: New and original.
Packing: Plain Box
UL certificated cells inside! High Quality! - http://www.udtek.com/original-hp-pavilion-dv8000-battery-cells-4400mah-p-30282.html
- But now I want to share some ways you must be pay attention to when you use your notebook batteries.
- DO practice proper battery storage by keeping batteries in a cool, dry place at normal room temperature. It is not necessary to store batteries in a refrigerator.
- DO read the instructions on your device before installing batteries. Only use the size and type of battery specified in the instructions.
- DO keep battery contact surfaces clean by gently rubbing with a clean pencil eraser or cloth.
- DO immediately remove exhausted batteries from your device and dispose of properly.
- DO remove all batteries from the device at the same time and replace them with new batteries of the same size and type.
- DO preserve battery life by switching off a device and removing the batteries when it is not being used, and is not expected to be used for extended periods of time.
- DO insert the batteries properly. Follow the symbols showing the correct way to position the positive (+) and negative (-) ends of the batteries.
- Udtek .com delivers high quality laptop batteries, laptop AC adapters, laptop keyboards, LCD adapters, DVD drivers, Scooter chargers and more. Our unique product lines of over 1000 diverse accessory power products and replacement batteries and adapters provide our customers with an extensive selection of the best quality products available.
2010年1月10日星期日
knowing more about laptop battery Do’s
2010年1月8日星期五
Vampire adapter Causes
As we know in the average U.S. home, 25 percent of electricity (such as laptop ac power adapter)use by home electronics occurs while the products are off . Is this power used for anything? Do electronics manufacturers hate the environment?
Vampire power causes usually include one of the following:
- The gadget, such as pa 10 ac adapter, constantly supplies a charge, even if the batteries are fully charged or if nothing is plugged into it. Many AC adapters, nicknamed wall warts by some critics, waste as much as 50 percent of the power they use
The gadget uses electricity to power a display screen, an external time display or an internal clock. In some cases, this power usage is justified. For instance, your refrigerator needs to monitor temperature levels in order to power up at appropriate times. When it comes to your radio however, it’s not as easy to justify a constant power drain to keep the digital clock lit.
The gadget never fully shuts down so that it’s ready to use at a moment’s notice. Many printers spend hours in standby mode, waiting to receive signals from connected computers. Before you even pick up your remote control, the TV is already using electricity to power the sensor that will receive the signal.
Vampire power has been on the rise during the past decade, thanks to the proliferation of rechargeable gadgets, computer networks and devices with standby power functions. The United States consumes 26 percent of the world’s energy. Of that energy, approximately 5 percent is vampire power . To put that in perspective, that’s between 200 and 400 terawatt hours — roughly as much electricity as the entire country of Italy consumes in a year.
All this energy use enacts quite a hefty toll on the environment. Coal-burning power plants produce carbon dioxide, a leading cause of global climate change. Therefore, less vampire power translates to lower carbon emissions. Even plants that run on nuclear or hydroelectric power produce emissions that can lead to smog and acid rain.
This way is also use to laptop batteries .Want to know how to help the environment and save a little money on your power bill in the process? Pick up a few vampire-fighting tactics on the next page.
laptop Battery Reactions and Chemistry
When you shop with Udtek.com, you’ll choose from brand name computers—the industry’s top names—at prices simply not possible anywhere else. But that’s just the beginning. We also carry a vast inventory of components: laptop batteries, ac adapters, hard drives, lcd chargers, cases and more. You’ll find emerging technologies as well, because at the end of the day, we love what we sell.
As we know in any battery, an electrochemical reaction occurs like the ones described on the previous page. This reaction moves electrons from one pole to the other. The actual metals and electrolytes used control the voltage of the battery — each different reaction has a characteristic voltage. For example, here’s what happens in one cell of a car’s lead-acid battery:
- The cell has one plate made of lead and another plate made of lead dioxide, with a strong sulfuric acid electrolyte in which the plates are immersed.
- Lead combines with SO4 (sulfate) to create PbSO4 (lead sulfate), plus one electron.
- Lead dioxide, hydrogen ions and SO4 ions, plus electrons from the lead plate, create PbSO4 and water on the lead dioxide plate.
- As the battery discharges, both plates build up PbSO4 and water builds up in the acid. The characteristic voltage is about 2 volts per cell, so by combining six cells you get a 12-volt battery.
A lead-acid battery has a nice feature — the reaction is completely reversible. If you apply current to the battery at the right voltage, lead and lead dioxide form again on the plates so you can reuse the battery over and over. In a zinc-carbon battery, there is no easy way to reverse the reaction because there is no easy way to get hydrogen gas back into the electrolyte.
Modern Battery Chemistry
Modern batteries use a variety of chemicals to power their reactions. Typical battery chemistries include:
- Zinc-carbon battery – Also known as a standard carbon battery, zinc-carbon chemistry is used in all inexpensive AA, C and D dry-cell batteries. The electrodes are zinc and carbon, with an acidic paste between them that serves as the electrolyte.
- Alkaline battery – Alkaline chemistry is used in common Duracell and Energizer batteries, the electrodes are zinc and manganese-oxide, with an alkaline electrolyte.
- Lithium-iodide battery – Lithium-iodide chemistry is used in pacemakers and hearing aides because of their long life.(such as laptop battery )http://www.udtek.com/laptop-battery-c-1.html
- Lead-acid battery – Lead-acid chemistry is used in automobiles, the electrodes are made of lead and lead-oxide with a strong acidic electrolyte (rechargeable).
- Nickel-cadmium battery – The electrodes are nickel-hydroxide and cadmium, with potassium-hydroxide as the electrolyte (rechargeable).
- Nickel-metal hydride battery – This battery is rapidly replacing nickel-cadmium because it does not suffer from the memory effect that nickel-cadmiums do (rechargeable).
- Lithium-ion battery – With a very good power-to-weight ratio, this is often found in high-end laptop computers and cell phones (rechargeable).
- Zinc-air battery – This battery is lightweight and rechargeable.
- Zinc-mercury oxide battery – This is often used in hearing-aids.
- Silver-zinc battery – This is used in aeronautical applications because the power-to-weight ratio is good.
As you can see, several of these batteries are rechargeable. What makes a battery rechargeable? In the next section, we’ll check out how rechargeable batteries work.such as hp pavilion dv6000 rechargeable battery
Cell Type: Li-ion, 12-cells
Voltage: 10.8V
Capacity: 8800MAH
UL certificated cells inside!
How DC/AC Power Adapter Work
Everyone uses some kind of electronic gadget (Dell PA-12 AC Adapter 65W 19.5V 3.34A)while in their motor-home, SUV or car. You might listen to your MP3 player, check for directions on your global positioning system (GPS) or play a portable video game. These types of electronic devices can be recharged or powered by plugging them into the cigarette lighter (or power port) in your vehicle. 
Input: AC100-240V (worldwide use)
Output: DC19.5V 3.34A
Power: 65W
Connecter size:
Internal Diameter: 5.0mm
External Diameter: 7.4mm
With central pin inside
Item Includes: AC Adapter and Power Cord.
But what if you want to use something a little more elaborate while you’re on the open road? Maybe you want to make toast, watch an LCD TV, or perhaps even write an article on your laptop computer. These devices plug into regular wall outlets, not cigarette lighters. Making sure your electronic gear gets the juice it needs while on the road isn’t a simple matter of finding the right adapter. You need a power inverter.
Power Adapter convert direct current (DC), the power that comes from a car battery, into alternating current (AC), the kind of power supplied to your home and the power larger electronics need to function. What kind of power adapter is the right one for the job? How do you install one? And how exactly does an adapter change the current from one form to another? In this article, we’ll explore all the positives and negatives of DC to AC power adapter.http://www.udtek.com/dell-pa12-ac-adapter-65w-195v-334a-p-159.html
Udtek.com is here to help you obtain the best quality lowest priced batteries, battery chargers and electronic accessories. We specialize in those hard to find accessories and specialty items. This is why we have a huge selection that boasts more than 10,000 different models of batteries for adapters, charges, drivers and more. We have over 3,000 model specific batteries and chargers. With our great selection you are sure to find everything you need. However, if you can’t find what you are looking for ,please Contact Us and we would love to find it for you.
How DC/AC Power Adapter Work
Everyone uses some kind of electronic gadget (Dell PA-12 AC Adapter 65W 19.5V 3.34A)while in their motor-home, SUV or car. You might listen to your MP3 player, check for directions on your global positioning system (GPS) or play a portable video game. These types of electronic devices can be recharged or powered by plugging them into the cigarette lighter (or power port) in your vehicle.
Input: AC100-240V (worldwide use)
Output: DC19.5V 3.34A
Power: 65W
Connecter size:
Internal Diameter: 5.0mm
External Diameter: 7.4mm
With central pin inside
Item Includes: AC Adapter and Power Cord.
But what if you want to use something a little more elaborate while you’re on the open road? Maybe you want to make toast, watch an LCD TV, or perhaps even write an article on your laptop computer. These devices plug into regular wall outlets, not cigarette lighters. Making sure your electronic gear gets the juice it needs while on the road isn’t a simple matter of finding the right adapter. You need a power inverter.
Power Adapter convert direct current (DC), the power that comes from a car battery, into alternating current (AC), the kind of power supplied to your home and the power larger electronics need to function. What kind of power adapter is the right one for the job? How do you install one? And how exactly does an adapter change the current from one form to another? In this article, we’ll explore all the positives and negatives of DC to AC power adapter.http://www.udtek.com/dell-pa12-ac-adapter-65w-195v-334a-p-159.html
Udtek.com is here to help you obtain the best quality lowest priced batteries, battery chargers and electronic accessories. We specialize in those hard to find accessories and specialty items. This is why we have a huge selection that boasts more than 10,000 different models of batteries for adapters, charges, drivers and more. We have over 3,000 model specific batteries and chargers. With our great selection you are sure to find everything you need. However, if you can’t find what you are looking for ,please Contact Us and we would love to find it for you.
2010年1月5日星期二
Will Dell laptops accept non-Dell batteries?
Dell has a rigorous qualification process by which all Dell batteries are validated to ensure proper function, performance and safety.
Some non-Dell batteries http://www.udtek.com/dell-inspiron-1520-battery-cells-4400mah-p-31201.htmlare available in the market with claims of compatibility with Dell systems.
Dell cannot verify these claims, nor the safety of using them in a Dell system.
Dell strongly encourages our customers to use only Dell laptop batteries advertised as appropriate for their laptop model.
Only Dell laptop batteries come with a 1-year warranty, are engineered for optimal safety and performance for Dell systems, and are supported by Dell technical support for the length of the warranty period.http://www.udtek.com/dell-latitude-d600-battery-cells-4400mah-p-24068.html
9 Ways for Windows 7 saving HP/Compaq Pavilion DV2000 Battery Life
Microsoft recently released a new 14-page whitepaper entitled “Windows 7 Power Management” to outline the power management technologies in Windows 7 that reduce power consumption. For those curious as to how exactly Windows 7 will use less power, this is your answer. For those who just want the quick scoop, here are 8 different ways how Windows 7 mainly save your HP/Compaq Pavilion DV2000 Batterylife:
HP/Compaq Pavilion DV2000 Battery 12-cells 8800MAH Description:
Cell Type: Li-ion, 12-cells
Voltage: 10.8V
Capacity: 8800MAH
UL certificated cells inside!
http://www.udtek.com/hpcompaq-pavilion-dv2000-battery-12cells-8800mah-p-19965.html
1) Idle Resource Utilization
This is one of the most important power management technologies because idle time is a significant portion of the time a computer is turned on. Idle efficiency in Windows 7 is improved by reducing resource utilization and enabling hardware to go into lower power states during long periods of battery HP Pavilion DV1000 Battery inactivity. This includes the processor, disk, memory, and network activity on the computer. To demonstrate just how much power can be saved, CPUs consume nearly 0 watts when idle, but up to 35 watts at full power.
2) Trigger Start Services
Services were usually started automatically right after startup and would run in the background waiting for an event to occur. In Windows 7, certain services are only started when triggered by an event such as device insertion or an IP change. This makes it unnecessary to have services starting all the time and reduces the amount of background processes, then reducing your HP Pavilion dv8000 Battery
3) Enhanced Processor Power Management
Windows 7 will include device driver support for the latest PPM technologies for
Dell Latitude D600 Battery. PPM allows Windows 7 to choose the appropriate processor performance state depending on the load and scale performance accordingly.
4) Adaptive Display Brightness
Microsoft says that the average display is set to turn off after 10-15 minutes of inactivity in Dell Latitude D620 Battery. Often times however, there are shorter periods of inactivity in between. To save additional power, ADB defines will allow dimming the display. ADB can also utilize hardware sensor technology to adjust display brightness accordingly to ambient light.
5) Low-Power Audio
Windows 7 will support the latest Intel HD Audio low-power specification, which introduces a new power state known as D3Cold to Dell Latitude D820Battery. This is the lowest unresponsive power state that a codec can go into. It can also further conserve power when an audio device is not in use. Windows 7 also supports selective suspend technology that extends to USB audio-class devices such as microphones and web-cams.
6) Timer Coalescing
Modern processors reduce power consumption by taking advantage of idle time between executing instructions, but many PPM technologies require a minimum amount of idle time before obtaining any net-power savings. Timer Coalescing increases the average idle period by letting the Windows kernel combine periodic software activity.
Udtek .com delivers high quality laptop batteries, laptop AC adapters, Laptop keyboards, Lcd chargers, DVD drivers, Scooter chargers and more. Our unique product lines of over 1000 diverse accessory power products and replacement batteries and adapters provide our customers with an extensive selection of the best quality products available.
Product Warranty
● 100% new high quality Replacement Compatible Li-Ion Battery
● Product Condition: Brand New in Bulk Packaging. OEM Equivalent Replacement Part.
● Manufactured By High-Capacity power products
● 100% compatible with OEM battery
● Full 1 year warranty.30 day money back guarantee!
What does Dell recommend for battery storage for a long period of time?
When storing for more than 4 days these guidelines can better preserve the life of your battery:
Such as Dell 3H625 Battery
Voltage: 14.8V
Capacity: 4400mAh
Type: Li-ion, 8 cells
UL certificated cells inside!
Brand New Replacement Product, works as genuine parts, 100% OEM Compatible!!
- Do not store batteries for long periods plugged into or attached to any power source. This includes AC adapters and laptop security carts plugged into an outlet. http://www.udtek.com/dell-3h625-battery-cells-4400mah-p-804.html
- Laptop batteries, including those stored in laptop systems, should maintain an Operational Storage Temperature of 0° to 35°C (32° to 95°F).
- Batteries may be stored in the laptop or outside of the laptop.
- Charge batteries before storing. The recommended charging time should not exceed 1 hour. Typically, this should charge the battery to between 80% and 100%. (Some discharge will take place over time. Stored batteries are expected to discharge 10-15% over a four month period, for your information.)http://www.udtek.com/dell-3h625-battery-cells-4400mah-p-804.html
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