Dell GK479 Battery, Dell Inspiron 1520 Battery, Dell Laptop Battery

Specifications:
*	Product ID:	NDE062
*	Battery Type:	Li-ion
*	Battery Capacity:	4600mAh
*	Battery Volt:	11.1V
*	Battery Color:	Black
*	Battery Weight:	447.93g
*	Dimension:	209.90 x47.50 x20.40mm

*	This replacement laptop battery can replace the following part number:
	GK479, FP282, 312-0594, 312-0504, 312-0590, 312-0576, 312-0575, 451-10476 See More ...
*	This replacement laptop battery is also compatible with the following models:
	Inspiron 1520, Vostro 1700, Inspiron 1721, Inspiron 1521, Vostro 1500, Inspiron 1720 See More ... Dell GK479 Battery Articles & Tips A new Dell GK479 battery comes in a discharged condition and must be charged before use (refer to the devices manual for charging instructions). Upon initial use (or after a prolonged storage period) the Dell GK479 may require three to four charge/discharge cycles before achieving maximum capacity. New Dell GK479 battery needs to be fully charged and discharged (cycled) a few times before it can condition to full capacity. Rechargeable batteries undergo self-discharging when left unused. Always store a battery pack in a fully charged staged for storage.When charging the Dell GK479 battery for the first time the device may indicate that charging is complete after just 10 or 15 minutes. This is a normal phenomenon with rechargeable batteries. Remove the batteries from the device, reinsert it and repeat the charging procedure. It is important to condition (fully discharge and then fully charge) the Dell GK479 battery every two to three weeks. Failure to do so may significantly shorten the battery's life (this does not apply to Li-ion batteries, which do not require conditioning). To discharge, simply run the device under the battery's power until it shuts down or until you get a low battery warning. Then recharge the battery as instructed in the user's manual. If the battery will not be in use for a month or longer, it is recommended that Dell GK479 battery be removed from the device and stored in a cool, dry, clean place. Invest in a good charger for your device. Ni-MH batteries should not be charged in a NiCad charger, unless the charger is specifically made for both chemistries. There are cheap chargers and there are expensive chargers. Make sure the charger you get has good reviews and is well made. Chargers with micro-controller chips are usually the best choice of your device. Be sure to store your battery properly. Do not leave your batteries in a hot car, or in humid conditions. The best storage conditions are a cool, dry place. The refrigerator is fine if you stick in a packet of silica gel with your Dell GK479 battery in a sealed bag to keep them dry. It is a good idea to charge your NiCad or Ni-MH batteries fully before use if they have been in storage.
*	Brand new with 1 year warranty

How Things Work: Lithium-ion batteries

A ubiquitous and essential appliance in the lives of college students, the laptop has become a modern, mobile workstation and also a source of endless diversions. But what if it did not exist? If something unfortunate were to happen to the precious battery that keeps a laptop alive, it would become but an inert hunk of unresponsive metal. Thus, it is important to know how the lithium-ion battery that powers a laptop works and become knowledgeable about how to prolong its life.

The battery inside a laptop is lithium-ion, which means that its electrodes (the conductors in a circuit that connect non-metal parts) are made of lithium and carbon. The positive cathode is made of lithium cobalt oxide, which emits positive lithium ions; the negative anode is made of carbon. The electrodes are placed in a gel electrolyte, a material that conducts electricity, and separated by a sheet of perforated plastic. Ions are free to move throughout the gel, but there is an initial charge difference between the electrodes, with the positive ions concentrated on the cathode.

When recharging a laptop battery, the lithium ions move from the cathode to the anode and create an electric potential difference (a voltage of about 3.7 volts), according to When the battery is discharging, the lithium ions move back from the anode to the cathode. Total discharge occurs when the return of ions to the cathode decreases the voltage to zero. A lithium-ion battery that is completely discharged will be unusable, though, so these batteries have a failsafe mechanism that shuts them down before they discharge too much. This system, which itself is a small computer attached to the battery pack, monitors the charging levels and temperature of the battery to prevent dangerous usage. This monitor uses power, which is one of the reasons that a battery not in use will still lose charge and experience a decrease in voltage over time. This is how batteries can become ruined even without use.

To prolong battery life, do not allow your laptop battery to drain all the way to 10 percent or lower without subsequently charging it. Contrary to popular belief, there is no need to completely discharge, or “deep discharge,” a laptop battery or any other kind of battery, including those in cell phones and iPods, each time it is used. In addition, lithium-ion batteries can handle hundreds of repeated cycles of charging and discharging. The only possible issue, therefore, is not the process of charging, but the maintenance of a minimum voltage. When a battery goes to zero voltage, it will no longer be able to recharge, and the only solution is to buy a new one.

From the moment lithium-ion batteries are manufactured, they constantly degrade and lose charge, so a laptop battery will only last two to three years, regardless of usage. Make sure to check the manufacturing date when you buy a new battery. An unused battery that has been sitting around is just as degraded as one that has been in use for the same amount of time. Heat will also degrade lithium-ion batteries faster than normal. According to Popular Science magazine, critical temperatures for a laptop battery occur around 70 degrees Fahrenheit. Storing a lithium-ion battery at temperatures at or above this level will degrade it more quickly.

Lithium is a very reactive element, especially compared to lead and nickel, which are what car batteries (lead-acid batteries) and electronic toy batteries (nickel-cadmium) typically contain. Hence, lithium-ion batteries can store a lot more energy than typical batteries — about 150 watt-hours per kilogram of battery, However, since lithium-ion batteries have so much energy, they also warm up quickly from the heat radiated during discharge. When the battery becomes too hot, it releases the polymer gel, which can be ignited by heat or a spark. This ignition is what causes some laptop batteries to catch fire.

Besides laptops, lithium-ion batteries power many modern handheld electronics, including digital cameras and cell phones.

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NewerTech Lowers Price on Notebook Battery Charger/Conditioners

Woodstock, Illinois - Newer Technology, Inc. (NewerTech(R)), a leading developer of Macintosh(R), PC, iPod(R), iPhone(R), and iPad(TM) performance upgrades and accessories, announced today it has lowered the Manufacturer's Suggested Retail Price on its entire line of NewerTech Intelligent Battery Charging/Conditioning Stations, the only complete line of chargers/conditioners on the market today designed to keep batteries in optimal charged condition for maximum "unplugged" usage.

Available immediately and starting as low as $99.00 - up to a 33% reduction from the previous MSRP -the NewerTech Intelligent Battery Charging/Conditioning Station is available for the following Apple notebook models:
* MacBook Pro 15" Unibody
* MacBook 13" Unibody
* MacBook Pro 17"
* MacBook Pro 15"
* MacBook 13"
* iBook G3/G4 12"
* iBook G3/G4 14"
* PowerBook G4 12" "Aluminum"
* PowerBook G4 15" "Aluminum"
* PowerBook G4 17" "Aluminum"
* PowerBook G4 15" "Titanium"

The NewerTech Intelligent Battery Charging/Conditioning Station is available for ordering from NewerTech's exclusive distributor, Other World Computing (OWC(r)), as well as through the retail channel. For more details on this adapter, as well as reseller inquiries, visit the Other World Computing web site. For more information on NewerTech's complete line of accessories and upgrades for Macs, PCs, and iDevices, visit the NewerTech web site.

"Intelligent" Design Takes Guesswork Out Of Battery Charging
NewerTech Intelligent Battery Charging/Conditioning Stations are ideal for users who have one or more batteries and want to keep their batteries in optimal charged condition. The two bay design can accommodate two batteries and when the first battery is done charging, the unit "intelligently" begins charging the second battery. In addition to charging batteries quickly and correctly, the deep conditioning feature can bring back additional life to a battery that's started to show its age.

NewerTech Intelligent Battery Charging/Conditioning Station Features:
* 2 Bays: 1 bay charges, 1 bay charges & conditions
* 2 Year Warranty
* Power Input/Output: 120~240V 50/60Hz 1.5A / 24V 2.3A, regulated

"Whether a user has one of the latest MacBook models or a still useful legacy Mac notebook, the NewerTech Intelligent Battery Charging/Conditioning Station is ideal for getting the longest runtime and lifetime from the battery," said Grant Dahlke, Brand Manager, NewerTech. "By both charging and deep conditioning the battery at the same time, users can save both time and restore new life to older batteries."

Complements Complete Line Of High Capacity Batteries:
In addition to its line of battery chargers/conditioners, NewerTech also offers a complete line of NuPower(r) high capacity replacement batteries from $79.99 MSRP for MacBook Pro, MacBook, Powerbook G4/G3, and iBook G4/G3 notebooks with up to 68% more capacity than original Apple batteries. For more information on NuPower high capacity replacement batteries, visit the NewerTech web site.

Since 1984, Newer Technology, Inc. (NewerTech) has been recognized as the leading developer of performance upgrades and accessories for Macintosh and PC computers, iPods, iPhones, and iPads. NewerTech is headquartered in Woodstock, Illinois.

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