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Rechargeable Batteries Comparison
http://thomas-distributing.com/articlelive/articles/14/1/Rechargeable-Batteries-Comparison/Page1.html
Tammie Shull
 
By Tammie Shull
Published on 06/15/2005
 
How to make the best choice when choosing rechargeable batteries. This article compares the different kinds of rechargeables and reviews their advantages and disadvantages.
Rechargeable Battery Comparison.

Rechargeable Batteries

 From digital cameras to wireless microphones, portable music players to Gameboys, today's high intensity electronics require high performance batteries. To meet those needs, there are more battery choices on the market than ever before. Deciding which is best for your application is easy when you know the facts.

NiCad Batteries

 NiCad (nickel cadmium) batteries are well known and have been available for years. They do offer a relatively long life, high discharge rate and economical pricing, but they have distinct disadvantages as well. NiCad batteries must be completely discharged before they are charged or their performance per charge is diminished. This is known as memory effect. Additionally, NiCad batteries contain toxic metals and are not environmentally friendly.

Rechargeable Alkaline Batteries

Rechargeable Alkaline Batteries Rechargeable alkaline batteries are readily available today. They are a step up from alkalines as they can be reused rather than thrown away; however, at the present time, they are more expensive than other alternatives and have a shorter life span as well ( less than 50 charges ). Furthermore, rechargeable alkalines are not suitable for high drain applications such as digital cameras.

NiMH Batteries

 NiMH (nickel metal hydride) batteries are the battery of choice for high drain applications. They have a long life and can last from 500-1000 charge cycles. Per charge cycle, NiMH will run one and and one half to two times longer than standard alkaline and will not develop a memory as do NiCad batteries. Because there is no measurable memory effect, NiMH batteries can be recharged whenever it is convenient. Nickel metal hydride is environmentally friendly, requires no special disposal procedures and contains no toxic metals. Finally, NiMH comes in standard battery sizes-AA, AAA, C, D, and 9V-as well as proprietary batteries and battery packs. In addition to the information we provide on this site, you can learn more about specific brands, pricing, and alternatives to disposable batteries at www.thomas-distributing.com.