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Ion Battery

It may be easy to forget the importance of a good battery in the operation of their cordless tools. As it turns out, however, a good battery is only as part of a cordless tool as a healthy motor. Battery technology has come a long way since the introduction of the battery of tools. Since the development of nickel cadmium (NiCd) battery, batteries, power tool have transitioned NiCd nickel metal hydride (NiMH) and more recently Lithium Ion (Li-Ion) battery technology.

Nickel cadmium batteries were the first in the wireless market power tools, and although the technology is older, yet very reliable. NiCad are less sensitive to extreme temperatures and have a high recharge cycle, meaning that can be charged and recharged repeatedly over a long period of time. NiCad batteries are also less expensive than NiMH and Li-Ion. On the down side, however, NiCad batteries tend to suffer from battery memory effect. This happens when the battery can no longer accept a full charge the charger, as has been repeated objections without been drained. It seems that the battery "remembers" the amount of energy discharged, and only wants to accept the return of that much energy charger. Cadmium is highly toxic element as the battery is more harmful to the environment. The NiCad negative effects on the environment, Indeed, they are taxed are outside the U.S. As a result, many European suppliers will not sell NiCad batteries.

The nickel metal hydride batteries are running a greater intensity than NiCd batteries because of this, also have a longer travel time. NiMH batteries are lighter than batteries NiCd, but are much more sensitive to hot and cold temperatures, in fact, NiMH batteries can not work in temperatures below freezing (32 degrees Fahrenheit and below) and degrade rapidly in extremely high temperatures (105 degrees Fahrenheit one above). Although the NiMH battery has a longer period while the NiCad battery not accepted as many positions. NiCd and NiMH batteries, however, have life expectancies generally very similar. NiMH batteries have greater energy storage capacity that that of the NiCad.

Lithium ion batteries have a higher energy density than rechargeable batteries for most others. A high energy density means that the lithium-ion batteries have a higher energy to weight ratio to store more energy for its size than most batteries of others. Li-Ion batteries have a very slow self discharge rate which means they retain their charge for long. Most rechargeable batteries so exhausted significant during periods of unuse, the slow rate of loss in Li-Ion batteries, however, allowed to maintain most of its load periods long, even in storage.

There are many benefits of working with lithium ion batteries for its light weight, its long period of time. Li-Ion Batteries to maintain their charge longer and have a maximum continuous power throughout their entire energy of the discharge. Other batteries constantly loses power as you work. Li-Ion batteries are lightweight and have a huge storage capacity, this means you now have a battery lighter, more efficient and powerful without the package.

There are, however, some disadvantages to the lithium ion battery. Li-Ion are a bit more expensive. The complexities of battery production Li-Ion explains the difference in price. Each Li-Ion battery charger also requires specifically built to accommodate this type of battery; This means that shippers are more expensive, as well, and are not universal for all types of Li-Ion batteries. The Li-Ion battery has an embedded chip that protects the battery deficient and over, and ensures a longer life battery. This computer chip, however, does not allow the battery to continue to accept the load once energy level of the battery has dropped below a certain point. Once this happens the battery is essentially dead. Li-Ion batteries are also based in this circuit to keep cool. Since Li-Ion batteries lose charge slowly, and the battery and charger are so advanced, it's fairly easy to maintain batteries in a warm and safe load level.

Lithium ion batteries are by a landslide the least harmful to our environment, and Many reasons are the favorite of most of the craftsmen.

Remember, the quality of battery used is as important as the quality of your power tool. The battery gives the right amount of energy and elegance to their tools and workpieces.

About the Author:

As a student at the Univ. of Utah, Mallory Kramer is earning an English degree. 3 years ago she joined M&M Tool adding to their over 150 years combined experience. She specializes in tool parts & web communications. For over 60 years M&M Tool has given expert service to the tool industry with parts, sales, & repair to professional woodworking products, tools, & machinery. Visit M&M Tool's forum for articles, tips, & info from a tool professional.

Article Source: ArticlesBase.com - Power Tool Battery Directory: NiCad, NiMH, and Li-ion Batteries in Your Cordless Tools

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